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CHEMICAL QUALITY OF PRECIPITATION
JAMES RIVER BASIN
470732099140204 WOODWORTH, ND
(National Trends Network precipitation-quality station)
LOCATION.--Lat 47°14'32", long 99°14'02", in SE1/4SW1/4SW1/4 sec.12, T.142 N., R.68 W., Stutsman County, Hydrologic Unit 10160002,
at U.S. Fish and Wildlife Service Northern Prairie Wildlife Research Center, at Woodworth Experiment Station 2.8 mi east and
1 mi south of Woodworth.
PERIOD OF RECORD.--November 1983 to current year (weekly composite).
INSTRUMENTATION.--The composite sample collector is an Aerochem Metrics1 model 301 wet/dry precipitation collector mounted on
ground surface. Precipitation quantity is determined by a Belfort1 model 5-780 recording rain gage equipped with an event
recorder and an Alter-type wind screen. The recording rain gage is installed 17 ft east of the sample collector with gage mouth
and collector bucket elevations of 50.75 in above land surface.
REMARKS.--The station is located 300 ft west of an event sample-collection station which was operated by the North Dakota State
Health Department (station discontinued 1987). Continuously recording meteorological instrumentation for air temperature, wind
speed, and wind direction were installed 9.8 ft above land surface at the event station. Data presented are provisional analyses
by the Central Analytical Laboratory of the Illinois State Water Survey and have not completed quality-assurance review by the
National Atmospheric Deposition Program. Analyses are determined from water taken from the sample collector.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
COL- SPE- PH PH
LECTOR SPE- CIFIC WATER WATER MAGNE-
PRECIP- EFFI- CIFIC CON- WHOLE WHOLE CALCIUM SIUM,
ITATION CIENCY CON- DUCT- FIELD LAB DIS- DIS-
TOTAL WET DUCT- ANCE (STAND- (STAND- SOLVED SOLVED
INCHES/ DEPOS. ANCE LAB ARD ARD (MG/L (MG/L
PERIOD OF WEEK PERCENT (US/CM) (US/CM) UNITS) UNITS) AS CA) AS MG)
COLLECTION (00046) (82284) (00095) (90095) (00400) (00403) (00915) (00925)
09/28 to 10/05 .00 -- -- -- -- -- -- --
10/05 to 10/12 b.01 <100 -- -- -- -- -- --
10/12 to 10/19 .25 80 7 4 6.2 6.6 .231 .042
10/19 to 10/26 .00 -- -- -- -- -- -- --
10/26 to 11/02 .00 -- -- -- -- -- -- --
11/02 to 11/09 .00 -- -- -- -- -- -- --
11/09 to 11/16 .04 75 -- a23 -- a4.7 a.739 a.062
11/16 to 11/23 .00 -- -- -- -- -- -- --
11/23 to 12/01 .00 -- -- -- -- -- -- --
12/01 to 12/07 .00 -- -- -- -- -- -- --
12/07 to 12/14 -- -- -- -- -- -- -- --
12/14 to 12/21 .05 80 -- 8 -- 5.2 .104 .018
12/21 to 12/28 .00 -- -- -- -- -- -- --
12/28 to 01/04 -- -- -- 7 -- 5.0 -- --
01/04 to 01/11 -- -- -- 6 -- 5.3 -- --
01/11 to 01/18 -- -- -- -- -- -- -- --
01/18 to 01/25 b.02 <50 -- -- -- -- -- --
01/25 to 02/01 .00 -- -- -- -- -- -- --
02/01 to 02/08 .00 -- -- -- -- -- -- --
02/08 to 02/15 -- -- 4 3 6.2 5.2 .027 .005
02/15 to 02/22 b.33 <3 -- -- -- -- -- --
02/22 to 02/29 .71 87 5 5 5.9 6.0 .096 .009
02/29 to 03/07 .00 -- -- -- -- -- -- --
03/07 to 03/14 .70 89 10 10 5.8 6.3 .313 .037
03/14 to 03/21 b.06 33 -- 14 -- 5.9 -- --
03/21 to 03/28 .14 86 8 8 6.0 6.1 .104 .012
03/28 to 04/04 .17 112 8 7 6.1 5.9 .104 .020
04/04 to 04/11 .21 71 12 10 5.6 6.2 .464 .100
04/11 to 04/18 .28 71 10 9 6.0 6.3 .297 .049
04/18 to 04/25 .00 -- -- -- -- -- -- --
04/25 to 05/02 .38 108 17 17 7.1 6.8 .661 .112
05/02 to 05/09 .25 112 10 8 6.4 6.5 .196 .033
05/09 to 05/16 .55 111 10 10 6.1 6.3 .298 .051
05/16 to 05/23 .02 100 -- a22 -- a5.8 a.956 a.112
05/23 to 05/30 .79 101 8 8 6.2 6.3 .598 .128
05/30 to 06/06 .50 98 12 12 6.4 6.0 .508 .083
06/06 to 06/13 .20 95 20 18 7.3 6.4 .837 .119
06/13 to 06/20 4.1 101 8 6 6.8 6.2 .160 .030
06/20 to 06/27 .76 100 7 7 6.2 6.0 .187 .036
06/27 to 07/04 .19 89 18 16 6.4 5.8 .456 .069
07/04 to 07/11 2.45 103 8 6 6.5 6.2 .219 .029
07/11 to 07/18 1.37 102 5 5 6.3 5.8 .094 .018
07/18 to 07/25 .47 98 8 8 6.0 6.2 .148 .016
07/25 to 08/01 .10 160 23 26 6.1 6.8 1.11 .157
08/01 to 08/08 1.54 102 5 5 5.9 5.8 .125 .021
08/08 to 08/15 .27 96 16 17 6.0 6.7 .680 .079
08/15 to 08/22 2.52 96 11 11 5.8 6.0 .325 .031
08/22 to 08/29 .13 92 45 46 6.7 7.1 2.25 .300
08/29 to 09/05 .26 96 9 8 6.0 6.5 .197 .018
09/05 to 09/12 .25 96 14 14 5.3 5.9 .535 .049
09/12 to 09/19 .07 100 9 13 5.6 6.1 .395 .067
09/19 to 09/26 .86 98 4 5 5.9 6.2 .104 .022
NITRO- NITRO-
POTAS- CHLO- GEN, GEN, PHOS-
SODIUM, SIUM, SULFATE RIDE, NITRATE AMMONIA PHORUS
DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
(MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L
PERIOD OF AS NA) AS K) AS SO4) AS CL) AS N) AS N) AS P)
COLLECTION (00930) (00935) (00945) (00940) (00618) (00608) (00666)
09/28 to 10/05 -- -- -- -- -- -- --
10/05 to 10/12 -- -- -- -- -- -- --
10/12 to 10/19 .013 .026 .23 <.03 .070 .230 <.001
10/19 to 10/26 -- -- -- -- -- -- --
10/26 to 11/02 -- -- -- -- -- -- --
11/02 to 11/09 -- -- -- -- -- -- --
11/09 to 11/16 a.071 a.062 a2.8 a.16 a.725 a.580 a<.003
11/16 to 11/23 -- -- -- -- -- -- --
11/23 to 12/01 -- -- -- -- -- -- --
12/01 to 12/07 -- -- -- -- -- -- --
12/07 to 12/14 -- -- -- -- -- -- --
12/14 to 12/21 .085 .052 .62 .11 .280 .230 <.001
12/21 to 12/28 -- -- -- -- -- -- --
12/28 to 01/04 -- -- -- -- -- -- --
01/04 to 01/11 -- -- -- -- -- -- --
01/11 to 01/18 -- -- -- -- -- -- --
01/18 to 01/25 -- -- -- -- -- -- --
01/25 to 02/01 -- -- -- -- -- -- --
02/01 to 02/08 -- -- -- -- -- -- --
02/08 to 02/15 .009 <.003 .15 <.03 .080 <.020 <.001
02/15 to 02/22 -- -- -- -- -- -- --
02/22 to 02/29 .029 .023 .45 .04 .154 .340 <.001
02/29 to 03/07 -- -- -- -- -- -- --
03/07 to 03/14 .056 .029 1.0 .06 .337 .730 <.001
03/14 to 03/21 -- -- -- -- -- -- --
03/21 to 03/28 .024 .014 .94 .05 .332 .590 <.001
03/28 to 04/04 .017 .013 1.1 <.03 .205 .440 <.001
04/04 to 04/11 .054 .060 1.4 .06 .212 .470 <.001
04/11 to 04/18 .027 .022 1.1 .04 .298 .630 <.001
04/18 to 04/25 -- -- -- -- -- -- --
04/25 to 05/02 .032 .044 1.4 .06 .553 1.17 <.001
05/02 to 05/09 .030 .021 .51 .04 .264 .590 <.001
05/09 to 05/16 .020 .019 .84 .04 .380 .700 <.001
05/16 to 05/23 a.952 a.056 a4.2 a.15 a.668 a.730 a<.001
05/23 to 05/30 .021 .022 .56 .04 .330 .270 <.001
05/30 to 06/06 .060 .077 1.1 .09 .453 .570 <.001
06/06 to 06/13 .091 .135 1.5 .17 .732 1.11 <.001
06/13 to 06/20 .015 .021 .55 .03 .217 .430 <.001
06/20 to 06/27 .022 .019 .65 .05 .198 .380 <.001
06/27 to 07/04 .060 .094 1.6 .14 .795 .950 <.001
07/04 to 07/11 .020 .026 .47 .04 .147 .330 <.001
07/11 to 07/18 .014 .012 .41 .03 .160 .280 <.001
07/18 to 07/25 .014 .035 .47 .06 .285 .550 <.001
07/25 to 08/01 .082 .296 2.1 .18 .654 1.00 .008
08/01 to 08/08 .003 .027 .39 <.03 .136 .260 <.001
08/08 to 08/15 .085 .116 1.6 .12 .596 1.08 <.001
08/15 to 08/22 .037 .056 1.4 .08 .383 .670 <.001
08/22 to 08/29 .146 .670 3.4 .31 1.315 2.50 <.001
08/29 to 09/05 .016 .021 .65 .04 .300 .610 <.001
09/05 to 09/12 .045 .054 1.9 .08 .608 .790 <.001
09/12 to 09/19 .044 .077 1.4 .11 .222 .420 <.001
09/19 to 09/26 <.003 .013 .30 <.03 .106 .310 <.001
1 The use of brand names in this report is for identification purposes only and
does not imply endorsement by the U.S. Geological Survey.
a To provide for an adequate sample, 50 milliliters of dilution water was added.
b Trace of water collected in field sampler.
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