RED RIVER OF THE NORTH BASIN

                               05082625  TURTLE RIVER AT TURTLE RIVER STATE PARK NEAR ARVILLA, ND
                                          (National water-quality assessment program)

LOCATION.--Lat 47o55'55", long 97o30'51", in NE1/4NW1/4NW1/4 sec.1,T.l51 N., R.54 W., Grand Forks County, Hydrologic Unit
   09020307, on right bank 200 ft upstream from U.S .Highway 2, 1/4 mi upstream from Turtle River State Park, 1 mi northwest of
   Arvilla, and 65 mi above mouth.

DRAINAGE AREA.--311 mi2.

                                                    WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1992 to current year.

GAGE.--Water-stage recorder. Elevation of gage is 980 ft above sea level, from topographic map.

REMARKS.--Records fair except for estimated daily discharges, which are poor. Some regulation by Larimore Dam located 4 mi
   upstream on the south branch of the Turtle River.

                           DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
                                                        DAILY MEAN VALUES

         DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

           1       2.8       12     21       e9.7     e9.7      e12      331       48       67      135       23       32
           2       2.8       12     21       e9.7     e9.7      e12      266       44       61      103       22       36
           3       2.9       12    e20       e9.7     e9.7      e12      235       41       58       84       23       38
           4       3.2       11    e20       e9.7     e9.7      e12      234       41       68       69       21       40
           5       7.1       11    e19       e9.7     e9.7      e12      209       78       64       61       21       44

           6       9.8       11    e18       e9.7     e9.7      e12      200      101       63       52       20       44
           7      12         11    e17       e9.7     e9.8      e12      287      139       58       46       21       41
           8      12         12    e17       e9.6    e10        e12      427      155       52       47       25       39
           9      11         11    e16       e9.6    e10        e12      811      160       48       48       20       36
          10      10         12    e15       e9.6    e11        e12      481      253       45       48       13       33

          11      11        e12    e15       e9.6    e11        e12      366      448       47       43       11       31
          12      10        e13    e14       e9.6    e11        e12      307      838       69       39       15       30
          13       7.9       13    e13       e9.6    e11        e13      260      539       58       37       55       29
          14       7.2       13    e13       e9.6    e11        e14      233      382       44       37       88       28
          15       7.7      e13    e13       e9.6    e11        e15      207      357       38       39      174       26

          16       7.3      e14    e12       e9.6    e11        e17      182      317       34       40      162       25
          17      12        e15    e11       e9.6    e11        e22      163      302       31       44      135       24
          18      14        e17    e10       e9.6    e11        e28      151      248       28       44      178       23
          19      14        e20    e10       e9.6    e11        e40      141      203       26       43      204       21
          20      12        e24    e10       e9.6    e11        e70      132      175       32       39      148       19

          21      10        e26     e9.8     e9.6    e11       e150      123      154       33       36      112       19
          22       8.8       27     e9.8     e9.6    e11       e230      112      137       28       36       98       18
          23       7.9       27     e9.8     e9.6    e11       e400      101      123       32       37       95       17
          24       7.4       26     e9.8     e9.6    e11       e370       94      113       34       36       72       16
          25       7.6       26     e9.8     e9.6    e11       e340       87      105       31       34       60       16

          26       7.5       26     e9.8     e9.6    e12       e330       78       95       36       31       52       18
          27       7.3       25     e9.8     e9.7    e12       e400       70       85       60       29       45       18
          28       7.5       24     e9.7     e9.7    e12       e500       64       75      194       28       39       18
          29      11         23     e9.7     e9.7      ---     e480       58       67      275       27       35       18
          30      13         22     e9.7     e9.7      ---      407       53       64      184       25       32       17
          31      13        ---     e9.7     e9.7      ---      366      ---       69      ---       24       31      ---

         TOTAL   277.7      521    412.4    298.8    300.0     4336     6463     5956     1898     1441     2050      814
         MEAN     8.96     17.4     13.3     9.64     10.7      140      215      192     63.3     46.5     66.1     27.1
         MAX        14       27       21      9.7       12      500      811      838      275      135      204       44
         MIN       2.8       11      9.7      9.6      9.7       12       53       41       26       24       11       16
         AC-FT     551     1030      818      593      595     8600    12820    11810     3760     2860     4070     1610

         STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1993 - 1999, BY WATER YEAR (WY)

         MEAN     19.0     15.9     10.8     8.82     12.7      116      218     71.7     29.4     61.0     32.9     26.7
         MAX      70.0     32.5     15.3     13.1     32.3      250      525      192     63.3      168     84.4     74.7
         (WY)     1995     1995     1995     1995     1998     1995     1997     1999     1999     1997     1993     1993
         MIN      5.47     7.71     5.59     3.97     4.59     11.5     58.9     12.5     13.8     25.3     5.47     2.80
         (WY)     1993     1993     1993     1993     1993     1996     1993     1993     1993     1998     1998     1998

         SUMMARY STATISTICS           FOR 1998 CALENDAR YEAR        FOR 1999 WATER YEAR           WATER YEARS 1993 - 1999

         ANNUAL TOTAL                       11317.0                    24767.9
         ANNUAL MEAN                           31.0                       67.9                       52.0
         HIGHEST ANNUAL MEAN                                                                         79.9            1997
         LOWEST ANNUAL MEAN                                                                          30.8            1998
         HIGHEST DAILY MEAN                   620     Mar 26             838     May 12            1140       Apr 12 1996
         LOWEST DAILY MEAN                      2.5   Sep 25               2.8   Oct  1               2.5     Sep 25 1998
         ANNUAL SEVEN-DAY MINIMUM               2.6   Sep 19               5.8   Oct  1               2.6     Sep 19 1998
         INSTANTANEOUS PEAK FLOW                                       a 924     May 12            1200       Apr 12 1996
         INSTANTANEOUS PEAK STAGE                                        b 7.30  Mar 28            c 14.39    Apr 12 1996
         ANNUAL RUNOFF (AC-FT)              22450                      49130                      37680
         10 PERCENT EXCEEDS                    66                        201                        130
         50 PERCENT EXCEEDS                    11                         23                         14
         90 PERCENT EXCEEDS                     3.8                        9.7                        7.0

         a  Gage height, 6.89 ft
         b  Backwater from ice, from high-water mark, on or about Mar. 28
         c  Backwater from ice
         e  Estimated

                                                     WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water year 1993 to current year.


                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999

                           DIS-     DIS-    BARO-   OXYGEN,             PH       PH       SPE-
                         CHARGE,  CHARGE,   METRIC    DIS-             WATER    WATER    CIFIC    SPE-
                            IN     INST.    PRES-    SOLVED            WHOLE    WHOLE     CON-    CIFIC
                          CUBIC    CUBIC     SURE    (PER-   OXYGEN,   FIELD     LAB     DUCT-    CON-    TEMPER-  TEMPER-
                           FEET     FEET     (MM      CENT     DIS-   (STAND-  (STAND-   ANCE     DUCT-    ATURE    ATURE
        DATE      TIME     PER      PER       OF     SATUR-   SOLVED    ARD      ARD      LAB     ANCE      AIR     WATER
                          SECOND   SECOND    HG)     ATION)   (MG/L)   UNITS)   UNITS)  (US/CM)  (US/CM)  (DEG C)  (DEG C)
                         (00060)  (00061)  (00025)  (00301)  (00300)  (00400)  (00403)  (90095)  (00095)  (00020)  (00010)

       OCT
        06...     0915      9.8      --      734       94      9.6      7.9       --       --      749       8.0    12.5
        14...     0915      7.2      --      732       92     10.8      8.4      8.2      802      812       6.0     6.5
        29...     1235      --       11       --       --       --       --       --       --      868       8.5     7.5
       NOV
        16...     1020     14        --      733       88     11.4      8.2      8.2      885      888      -4.5     3.0
       DEC
        15...     1005     13        --      739       85     11.8      8.4      8.0      909      911       --       .5
        16...     1340      --       11       --       --       --       --       --       --      913       1.0      .5
       JAN
        01...     0950      9.7      --      742       65      9.2      8.1       --       --      945     -12.0      .0
        19...     0950      9.6      --      742       65      9.2      8.1      7.7      929      945     -12.0      .0
       FEB
        17...     0930      --       10      735       88     12.3      8.0      7.8      876      876     -18.0      .0
       MAR
        15...     1110     15        --      725      101     13.8      8.1      7.9      816      830       --       .5
       APR
        19...     1050    141        --      736       96     11.8      8.4      8.0      776      770       8.0     5.0
        28...     0940      --       62      741       98     10.2      8.3       --       --      928      12.0    12.0
       MAY
        13...     1050      --      510      749       86      9.3      8.2      7.9      978      993       8.0    11.0
       JUN
        01...     1010     67        --      735       96      9.7      8.3      8.2     1160     1200       --     13.0
        16...     1040     34        --      749      103     10.2      8.5      8.3     1200     1220      14.5    15.0
        18...     1050      --       27       --       --       --       --       --       --     1150      26.0    18.0
       JUL
        12...     1010     39        --      750       92      7.9      8.3       --       --     1110      20.0    21.5
        19...     0900     43        --      740       89      7.8      8.4      8.2     1120     1170      23.0    20.0
       AUG
        03...     1105     23        --      743      100      8.8      8.4       --       --     1090      22.0    21.0
        13...     1040      --       54       --       --       --       --       --       --      844      16.0    16.0
        19...     1110    204        --      740       98      8.8      8.1      7.9      817      836      22.0    19.0
        26...     0955     52        --      740       87      7.4      8.3       --       --     1090      24.5    21.5
       SEP
        14...     0940     28        --      729       95      9.7      8.6      8.4     1110     1120      11.5    12.0

                                                                                 ANC     ALKA-   BICAR-    CAR-
                 HARD-             MAGNE-   POTAS-   SODIUM                    UNFLTRD  LINITY   BONATE   BONATE    CHLO-
                 NESS    CALCIUM    SIUM,    SIUM,     AD-            SODIUM,  TIT 4.5  WAT DIS   WATER    WATER    RIDE,
                 TOTAL    DIS-      DIS-     DIS-    SORP-             DIS-      LAB    TOT IT   DIS IT   DIS IT    DIS-
                 (MG/L    SOLVED   SOLVED   SOLVED    TION            SOLVED    (MG/L    FIELD    FIELD    FIELD    SOLVED
        DATE      AS      (MG/L    (MG/L    (MG/L    RATIO    SODIUM   (MG/L     AS     MG/L AS  MG/L AS  MG/L AS   (MG/L
                 CACO3)   AS CA)   AS MG)   AS K)            PERCENT   AS NA)   CACO3)   CACO3    HCO3      CO3     AS CL)
                (00900)  (00915)  (00925)  (00935)  (00931)  (00932)  (00930)  (90410)  (39086)  (00453)  (00452)  (00940)

       OCT
        06...      --       --       --       --       --       --       --       --       --       --       --       --
        14...     340       82      33       5.5       .9      18       36       230      172      210       0       19
        29...      --       --       --       --       --       --       --       --       --       --       --       --
       NOV
        16...     410      100      37       5.3       .7      15       33       258      196      239       0       20
       DEC
        15...     430      110      37       5.4       .6      13       30       285      282      344       0       20
        16...      --       --       --       --       --       --       --       --       --       --       --       --
       JAN
        01...      --       --       --       --       --       --       --       --      293      357       0        --
        19...     430      110      36       5.2       .7      14       33       310      293      357       0       23
       FEB
        17...     400      100      33       4.8       .7      14       30       288      262      320       0       20
       MAR
        15...     370       99      30       4.4       .6      13       26        --      265      323       0       18
       APR
        19...     300       75      27       6.1      1        26       50        --      183      223       0       15
        28...      --       --       --       --       --       --       --       --       --       --       --       --
       MAY
        13...     340       79      34       7.2      2        31       71        --      164      200       0       29
       JUN
        01...     470      110      46       6.6      2        27       80        --      252      307       0       25
        16...     490      120      47       5.9      2        25       76        --      282      329       7       31
        18...      --       --       --       --       --       --       --       --       --       --       --       --
       JUL
        12...      --       --       --       --       --       --       --       --       --       --       --       --
        19...     460      110      46       5.7      2        27       80        --      288      351       0       26
       AUG
        03...      --       --       --       --       --       --       --       --       --       --       --       --
        13...      --       --       --       --       --       --       --       --       --       --       --       --
        19...     290       69      28       7.2      2        32       65        --      170      207       0       22
        26...      --       --       --       --       --       --       --       --       --       --       --       --
       SEP
        14...     440      100      44       6.3      1        25       69        --      312      359      11       29


                                            NITRO-   NITRO-   NITRO-            NITRO-   NITRO-   NITRO-
                 FLUO-   SILICA,             GEN,   GEN,AM-  GEN,AM-   NITRO-    GEN,     GEN,     GEN,    NITRO-
                 RIDE,    DIS-    SULFATE  AMMONIA  MONIA +  MONIA +    GEN    NITRATE  NO2+NO3  ORGANIC    GEN,    NITRO-
                  DIS-    SOLVED   DIS-      DIS-   ORGANIC  ORGANIC   DIS-      DIS-     DIS-     DIS-   ORGANIC    GEN,
                 SOLVED   (MG/L    SOLVED   SOLVED   DIS.     TOTAL   SOLVED    SOLVED   SOLVED   SOLVED   TOTAL    TOTAL
        DATE     (MG/L     AS      (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                 AS F)    SIO2)   AS SO4)   AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)    AS N)
                (00950)  (00955)  (00945)  (00608)  (00623)  (00625)  (00602)  (00618)  (00631)  (00607)  (00605)  (00600)

       OCT
        06...      --       --       --       --       --       --       --       --       --       --       --       --
        14...      .29     22       180      .024      .46      .61      .59      --      .126      .44      .59      .74
        29...      --       --       --       --       --       --       --       --       --       --       --       --
       NOV
        16...      .27     21       190      .028      .40      .53      .62     .206     .218      .37      .50      .75
       DEC
        15...      .28     22       190      .038      .32      .38      .74      --      .419      .28      .34      .80
        16...      --       --       --       --       --       --       --       --       --       --       --       --
       JAN
        01...      --       --       --       --       --       --       --       --       --       --       --       --
        19...      .33     29       170      .198      .52      .53     1.2      .697     .708      .32      .33     1.2
       FEB
        17...      .31     26       170      .121      .40      .44     1.1       --      .668      .28      .32     1.1
       MAR
        15...      .26     23       140      .053      .22      .34      .84      --      .621      .17      .28      .96
       APR
        19...      .21     20       200      .022      .67      .88     1.1      .374     .385      .65      .86     1.3
        28...      --       --       --       --       --       --       --       --       --       --       --       --
       MAY
        13...      .21     22       300      .032      .81     1.3      1.8      .973     .992      .78     1.2      2.3
       JUN
        01...      .29     18       330     <.020      .62     1.0       .91      --      .282      --       --      1.3
        16...      .29     13       350      .032      .70      .94      .95      --      .250      .67      .91     1.2
        18...      --       --       --       --       --       --       --       --       --       --       --       --
       JUL
        12...      --       --       --       --       --       --       --       --       --       --       --       --
        19...      .31     24       300     <.020      .75      .80     1.1       --      .338      --       --      1.1
       AUG
        03...      --       --       --       --       --       --       --       --       --       --       --       --
        13...      --       --       --       --       --       --       --       --       --       --       --       --
        19...      .20     29       220      .020      .71     1.2       .77      --      .060      .69     1.1      1.2
        26...      --       --       --       --       --       --       --       --       --       --       --       --
       SEP
        14...      .28     20       280     <.020      .59      .66      .74      --      .151      --       --       .81

                 NITRO-            PHOS-                     SOLIDS,  SOLIDS,                    2,6-DI-
                  GEN,    PHOS-   PHORUS            SOLIDS,  RESIDUE  SUM OF             MANGA-   ETHYL    ACETO-   ALA-
                NITRITE  PHORUS    ORTHO,   PHOS-     DIS-   AT 180   CONSTI-   IRON,    NESE,   ANILINE   CHLOR,   CHLOR,
                  DIS-     DIS-    DIS-    PHORUS    SOLVED   DEG. C  TUENTS,    DIS-     DIS-   WAT FLT   WATER    WATER,
                 SOLVED   SOLVED  SOLVED    TOTAL    (TONS     DIS-     DIS-    SOLVED   SOLVED   0.7 U    FLTRD    DISS,
        DATE     (MG/L    (MG/L   (MG/L     (MG/L     PER     SOLVED   SOLVED   (UG/L    (UG/L   GF, REC    REC     REC,
                 AS N)    AS P)   AS P)     AS P)     DAY)    (MG/L)   (MG/L)   AS FE)   AS MN)  (UG/L)    (UG/L)  (UG/L)
                (00613)  (00666)  (00671)  (00665)  (70302)  (70300)  (70301)  (01046)  (01056)  (82660)  (49260)  (46342)

       OCT
        06...      --       --       --       --       --       --       --       --       --     <.0030   <.0020   <.002
        14...    <.010     .064     .059     .084     10.4     536      479     E5.9       43     <.0030   <.0020   <.002
        29...      --       --       --       --       --       --       --       --       --       --       --       --
       NOV
        16...     .012     .020     .023     .020     23.1     610      530     E7.3       44       --       --       --
       DEC
        15...    <.010     .013     .015     .020     22.4     637      588     10         76       --       --       --
        16...      --       --       --       --       --       --       --       --       --       --       --       --
       JAN
        01...      --       --       --       --       --       --       --       --       --       --       --       --
        19...     .011     .057     .049     .065     16.6     642      590     E8.0       97       --       --       --
       FEB
        17...    <.010     .038     .038     .052     16.5     595      545     E7.2      111       --       --       --
       MAR
        15...    <.010     .035     .036     .056     22.4     554      502     11         98       --       --       --
       APR
        19...     .011     .168     .142     .228    204       537      502     11        152       --       --       --
        28...      --       --       --       --       --       --       --       --       --     <.0030   <.0020   <.002
       MAY
        13...     .019     .215     .185    <.050    975       708      643     11         46       --       --       --
       JUN
        01...    <.010     .088     .086     .142    154       850      771     E7.4      159     <.0030    .0170   <.002
        16...    <.010     .085     .076     .129     82.3     896      810     17        197     <.0030   <.0020   <.002
        18...      --       --       --       --       --       --       --       --       --       --       --       --
       JUL
        12...      --       --       --       --       --       --       --       --       --     <.0030   <.0020   <.006
        19...    <.010     .207     .167      --      93.8     808      763     E5.8       60     <.0030   <.0020   <.002
       AUG
        03...      --       --       --       --       --       --       --       --       --     <.0030   <.0020   <.002
        13...      --       --       --       --       --       --       --       --       --       --       --       --
        19...    <.010     .205     .232     .356    315       572      539     16         21     <.0030   <.0020   <.002
        26...      --       --       --       --       --       --       --       --       --     <.0030   <.0020   <.002
       SEP
        14...    <.010     .077     .058     .087     59.3     784      743     11         59     <.0030   <.0020   <.002


                                    BEN-              CAR-    CARBO-                             DEETHYL
                          ATRA-    FLUR-    BUTYL-   BARYL    FURAN             CYANA-   DCPA     ATRA-
                 ALPHA    ZINE,    ALIN     ATE,     WATER    WATER    CHLOR-   ZINE,    WATER    ZINE,     DI-      DI-
                  BHC     WATER,  WAT FLD   WATER,   FLTRD    FLTRD   PYRIFOS   WATER,   FLTRD    WATER,  AZINON,   ELDRIN
                  DIS-    DISS,    0.7 U    DISS,    0.7 U    0.7 U     DIS-    DISS,    0.7 U    DISS,     DIS-     DIS-
        DATE    SOLVED    REC     GF, REC   REC     GF, REC  GF, REC   SOLVED   REC     GF, REC   REC      SOLVED   SOLVED
                (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)   (UG/L)   (UG/L)    (UG/L)   (UG/L)
                (34253)  (39632)  (82673)  (04028)  (82680)  (82674)  (38933)  (04041)  (82682)  (04040)  (39572)  (39381)

       OCT
        06...    <.0020   <.001    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   <.0020   <.002    <.001
        14...    <.0020   <.001    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   <.0020   <.002    <.001
        29...      --       --       --       --       --       --       --       --       --       --       --       --
       NOV
        16...      --       --       --       --       --       --       --       --       --       --       --       --
       DEC
        15...      --       --       --       --       --       --       --       --       --       --       --       --
        16...      --       --       --       --       --       --       --       --       --       --       --       --
       JAN
        01...      --       --       --       --       --       --       --       --       --       --       --       --
        19...      --       --       --       --       --       --       --       --       --       --       --       --
       FEB
        17...      --       --       --       --       --       --       --       --       --       --       --       --
       MAR
        15...      --       --       --       --       --       --       --       --       --       --       --       --
       APR
        19...      --       --       --       --       --       --       --       --       --       --       --       --
        28...    <.0020   <.001    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   <.0020   <.002    <.001
       MAY
        13...      --       --       --       --       --       --       --       --       --       --       --       --
       JUN
        01...    <.0020    .018    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   E.0040   <.002    <.001
        16...    <.0020    .042    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   E.0105   <.002    <.001
        18...      --       --       --       --       --       --       --       --       --       --       --       --
       JUL
        12...    <.0020   <.005    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   <.0020   <.002    <.001
        19...    <.0020    .015    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   E.0074   <.002    <.001
       AUG
        03...    <.0020    .008    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   <.0020   <.002    <.001
        13...      --       --       --       --       --       --       --       --       --       --       --       --
        19...    <.0020    .013    E.0012   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   <.0020   <.002    <.001
        26...    <.0020    .009    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   E.0039   <.002    <.001
       SEP
        14...    <.0020    .005    <.0020   <.0020   <.0030   <.0030   <.0040   <.0040   <.0020   <.0050   <.002    <.001

                 DISUL-            ETHAL-   ETHO-                       LIN-            METHYL   METHYL
                 FOTON    EPTC     FLUR-    PROP                       URON              AZIN-    PARA-             METRI-
                 WATER    WATER    ALIN     WATER   FONOFOS            WATER    MALA-    PHOS     THION    METO-    BUZIN
                 FLTRD    FLTRD   WAT FLT   FLTRD    WATER   LINDANE   FLTRD    THION,  WAT FLT  WAT FLT  LACHLOR  SENCOR
                 0.7 U    0.7 U    0.7 U    0.7 U    DISS     DIS-     0.7 U     DIS-    0.7 U    0.7 U    WATER    WATER
        DATE    GF, REC  GF, REC  GF, REC  GF, REC    REC    SOLVED   GF, REC   SOLVED  GF, REC  GF, REC  DISSOLV  DISSOLV
                (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)    (UG/L)  (UG/L)   (UG/L)   (UG/L)   (UG/L)
                (82677)  (82668)  (82663)  (82672)  (04095)  (39341)  (82666)  (39532)  (82686)  (82667)  (39415)  (82630)

       OCT
        06...    <.0170   <.0020   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060   <.002    <.004
        14...    <.0170   <.0500   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060   <.002    <.004
        29...      --       --       --       --       --       --       --       --       --       --       --       --
       NOV
        16...      --       --       --       --       --       --       --       --       --       --       --       --
       DEC
        15...      --       --       --       --       --       --       --       --       --       --       --       --
        16...      --       --       --       --       --       --       --       --       --       --       --       --
       JAN
        01...      --       --       --       --       --       --       --       --       --       --       --       --
        19...      --       --       --       --       --       --       --       --       --       --       --       --
       FEB
        17...      --       --       --       --       --       --       --       --       --       --       --       --
       MAR
        15...      --       --       --       --       --       --       --       --       --       --       --       --
       APR
        19...      --       --       --       --       --       --       --       --       --       --       --       --
        28...    <.0170    .0118   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060   <.002    <.004
       MAY
        13...      --       --       --       --       --       --       --       --       --       --       --       --
       JUN
        01...    <.0170    .0428   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060    .006    <.004
        16...    <.0170    .0190   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060    .007    <.004
        18...      --       --       --       --       --       --       --       --       --       --       --       --
       JUL
        12...    <.0170    .0488   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060    .006    <.004
        19...    <.0170   <.0020   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060    .008    <.004
       AUG
        03...    <.0170   <.0020   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060   <.002    <.004
        13...      --       --       --       --       --       --       --       --       --       --       --       --
        19...    <.0170   <.0020   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060    .007    <.004
        26...    <.0170   <.0020   <.0040   <.0030   <.0030   <.004    <.0020   <.005    <.0010   <.0060    .005    <.004
       SEP
        14...    <.0170   <.0020   <.0040   <.0030   <.0030   <.004    <.0020    .015    <.0010   <.0060   <.002    <.015


                        MOL-   NAPROP-                      PEB-    PENDI-    PER-                      PRON-
                       INATE    AMIDE                      ULATE    METH-   METHRIN  PHORATE   PRO-     AMIDE    PROP-
                       WATER    WATER             PARA-    WATER    ALIN      CIS     WATER    METON,   WATER    CHLOR,
                       FLTRD    FLTRD    P,P'     THION,   FILTRD  WAT FLT  WAT FLT   FLTRD    WATER,   FLTRD    WATER,
                       0.7 U    0.7 U     DDE      DIS-    0.7 U    0.7 U    0.7 U    0.7 U    DISS,    0.7 U    DISS,
              DATE    GF, REC  GF, REC  DISSOLV   SOLVED  GF, REC  GF, REC  GF, REC  GF, REC   REC     GF, REC   REC
                      (UG/L)   (UG/L)   (UG/L)    (UG/L)  (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                      (82671)  (82684)  (34653)  (39542)  (82669)  (82683)  (82687)  (82664)  (04037)  (82676)  (04024)

          OCT
            06...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
            14...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
            29...        --       --       --       --       --       --       --       --       --       --       --
          NOV
            16...        --       --       --       --       --       --       --       --       --       --       --
          DEC
            15...        --       --       --       --       --       --       --       --       --       --       --
            16...        --       --       --       --       --       --       --       --       --       --       --
          JAN
            01...        --       --       --       --       --       --       --       --       --       --       --
            19...        --       --       --       --       --       --       --       --       --       --       --
          FEB
            17...        --       --       --       --       --       --       --       --       --       --       --
          MAR
            15...        --       --       --       --       --       --       --       --       --       --       --
          APR
            19...        --       --       --       --       --       --       --       --       --       --       --
            28...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
          MAY
            13...        --       --       --       --       --       --       --       --       --       --       --
          JUN
            01...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
            16...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
            18...        --       --       --       --       --       --       --       --       --       --       --
          JUL
            12...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
            19...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
          AUG
            03...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
            13...        --       --       --       --       --       --       --       --       --       --       --
            19...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
            26...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   <.0180   <.0030   <.0070
          SEP
            14...      <.0040   <.0030   <.0060   <.004    <.0040   <.0040   <.0050   <.0020   E.0117   <.0030   <.0070

                        PRO-     PRO-             TEBU-     TER-     TER-    THIO-    TRIAL-    TRI-             SEDI-
                       PANIL   PARGITE   SI-     THIURON   BACIL    BUFOS   BENCARB   LATE     FLUR-             MENT,
                       WATER    WATER   MAZINE,   WATER    WATER    WATER    WATER    WATER    ALIN     SEDI-     DIS-
                       FLTRD    FLTRD    WATER,   FLTRD    FLTRD    FLTRD    FLTRD    FLTRD   WAT FLT   MENT,   CHARGE,
                       0.7 U    0.7 U    DISS,    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    SUS-      SUS-
              DATE    GF, REC  GF, REC   REC     GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC   PENDED   PENDED
                      (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (MG/L)  (T/DAY)
                      (82679)  (82685)  (04035)  (82670)  (82665)  (82675)  (82681)  (82678)  (82661)  (80154)  (80155)

          OCT
            06...      <.0040   <.0130   <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   <.0020     --       --
            14...      <.0040   <.130    <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   <.0020     16       .30
            29...        --       --       --       --       --       --       --       --       --       --       --
          NOV
            16...        --       --       --       --       --       --       --       --       --       19       .71
          DEC
            15...        --       --       --       --       --       --       --       --       --       16       .56
            16...        --       --       --       --       --       --       --       --       --       --       --
          JAN
            01...        --       --       --       --       --       --       --       --       --       --       --
            19...        --       --       --       --       --       --       --       --       --       29       .74
          FEB
            17...        --       --       --       --       --       --       --       --       --       15       .42
          MAR
            15...        --       --       --       --       --       --       --       --       --      177      7.2
          APR
            19...        --       --       --       --       --       --       --       --       --       36     14
            28...      <.0040   <.0130   <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   E.0017     --       --
          MAY
            13...        --       --       --       --       --       --       --       --       --      184    253
          JUN
            01...      <.0040   <.0130   <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   E.0022     93     17
            16...      <.0040   <.0200   <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   <.0020     31      2.9
            18...        --       --       --       --       --       --       --       --       --       --       --
          JUL
            12...      <.0040     --     <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   E.0036     --       --
            19...      <.0040   <.0130   <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   <.0020     22      2.6
          AUG
            03...      <.0040   <.0800   <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   <.0020     --       --
            13...        --       --       --       --       --       --       --       --       --       --       --
            19...      <.0040   <.0130   <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   <.0020    145     80
            26...      <.0040   <.0900   <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   <.0020     --       --
          SEP
            14...      <.0040   <.0130   <.0050   <.0100   <.0070   <.0130   <.0020   <.0010   E.0011      6       .48

Return to 1999 Data Report

U.S. Department of the Interior || U.S. Geological Survey
Maintainer: Webmaster
Last update: Tuesday, 31-Aug-2004 13:35:00 EDT
Privacy || Disclaimer|| Accessibility || FOIA
URL: http://nd.water.usgs.gov/pubs/wdr/wdrnd991/htdocs/d.05082625wq99.html
FirstGov, "Your First Click to the U.S. Government"