USGS Water-Year Summary for Site 05431016

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	Available Parameters
	00060 Discharge(Mean)
	00665 Phosphorus, wu(Mean)
	80154 Suspnd sedmnt conc(Mean)
	80155 Suspnd sedmnt disch(Mean)
	91050 Phosphorus, wu(Mean)

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Water year 2024: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2024

05431016 JACKSON CREEK AT MOUND ROAD NEAR ELKHORN, WI

LOCATION - Lat 42°38'27", long 88°33'39" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 sec.12, T.2 N., R.16 E., Walworth County, WI, Hydrologic Unit 07090002, on left bank at bridge on Mound Road, 2.3 mi south of Elkhorn.

DRAINAGE AREA - 16.8 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - February 1993 to September 2009; January 2013 to current year.

GAGE - Water-stage recorder and Crest-stage gage. Datum of gage is 919.838 ft above NAVD of 1988 (Wisconsin Department of Transportation benchmark), from RTK GPS unit.

COOPERATION - Observer furnished by Delavan Lake Sanitary District.

REMARKS - Records are considered good except for estimated discharge, which is poor, and other periods as noted. For records status prior to October 1, 2013, see remarks printed in annual water-data reports. Gage-height telemeter at station.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - June 1999 to September 2009 (discontinued).

WATER-QUALITY RECORDS

PERIOD OF RECORD - October 1983 to September 1985, February 1993 to September 2009, January 2013 to current year.

PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 1999 to September 2009 (discontinued). SUSPENDED-SEDIMENT DISCHARGE: February 1993 to September 2009, January 2013 to present. DISSOLVED AMMONIA NITROGEN DISCHARGE: February 1993 to September 1995. TOTAL AMMONIA PLUS ORGANIC NITROGEN DISCHARGE: February 1993 to September 1995. DISSOLVED NITRITE PLUS NITRATE DISCHARGE: February 1993 to September 1995. TOTAL PHOSPHORUS DISCHARGE: February 1993 to September 2009, January 2013 to present. DISSOLVED ORTHO-PHOSPHORUS DISCHARGE: February 1993 to September 2009 (discontinued).

INSTRUMENTATION - Automatic pumping sampler February 1993 to September 2009, January 2013 to present. Continuous water temperature recorder October 1999 to September 2009 (discontinued).

REMARKS - Records are good.

EXTREMES OUTSIDE PERIOD OF RECORD - TOTAL AMMONIA PLUS ORGANIC NITROGEN CONCENTRATIONS: Maximum observed, 2.1 mg/L, July 10, 1985; minimum observed, 0.30 mg/L, Jan. 24, 1985. TOTAL PHOSPHORUS CONCENTRATIONS: Maximum observed, 0.55 mg/L, July 10, 1985; minimum observed, 0.03 mg/L, Apr. 2, 1985. DISSOLVED ORTHO-PHOSPHORUS CONCENTRATIONS: Maximum observed, 0.20 mg/L, Nov. 20, 1984 and May 22, 1985; minimum observed, <0.01 mg/L, July 10, 23, 1985.

EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 37.0°C, July 15, 2006; minimum, 0.0°C on many days. SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum observed, 1,420 mg/L, June 17, 1996; minimum observed, 1 mg/L, Dec. 2, 2006. SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 1,030 tons, June 17, 1996; minimum daily, 0.00 ton, on many days in 2005, 2015 water years. DISSOLVED AMMONIA NITROGEN CONCENTRATIONS: Maximum observed, 1.70 mg/L, Mar. 5, 1993; minimum observed, 0.01 mg/L, Aug. 1, 29, and Sept. 25, 1994. DISSOLVED AMMONIA NITROGEN DISCHARGE: Maximum daily, 1,410 lb, Feb. 20, 1994; minimum daily, 0.07 lb, July 31, 1995. TOTAL AMMONIA PLUS ORGANIC NITROGEN CONCENTRATIONS: Maximum observed, 4.6 mg/L, Mar. 5, 1993; minimum observed,0.40 mg/L, Oct. 6 and Dec. 15, 1993, and Jan. 14, Mar. 28-29, 1995. TOTAL AMMONIA PLUS ORGANIC NITROGEN DISCHARGE: Maximum daily, 4,900 lb, Apr. 20, 1993; minimum daily, 1.5 lb, June 19, 1994. DISSOLVED NITRITE PLUS NITRATE CONCENTRATIONS: Maximum observed, 13.0 mg/L, Apr. 30, 1995; minimum observed, <0.05 mg/L, Sept. 2, 1993, and many days in 1994 and 1995 water years. DISSOLVED NITRITE PLUS NITRATE DISCHARGE: Maximum daily, 5,310 lb, Apr. 20, 1993; minimum daily, 0.16 lb, July 19, 1995. TOTAL PHOSPHORUS CONCENTRATIONS: Maximum observed, 1.6 mg/L, June 17, 1996; minimum observed, <0.01 mg/L, Mar. 19, 1997. TOTAL PHOSPHORUS DISCHARGE: Maximum daily, 2,630 lb, Apr. 20, 1993; minimum daily, 0.00 lb, Feb. 28, Mar. 1-2, 2015. DISSOLVED ORTHO-PHOSPHORUS CONCENTRATIONS: Maximum observed, 0.63 mg/L, Feb. 19, 1997; minimum observed, 0.003 mg/L, Nov. 20, 2006, June 26 and Dec. 22, 2007, and May 30, Aug. 25, Sept. 13, 2008. DISSOLVED ORTHO-PHOSPHORUS DISCHARGE: Maximum daily, 1120 lb, Aug. 20, 2007; minimum daily, 0.00 lb, Sept. 1,2, 2008.

EXTREMES FOR CURRENT YEAR - SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum observed, 770 mg/L, Mar. 10; minimum observed, 9 mg/L, Mar. 11. SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 149 tons, Sept. 18; minimum daily, 0.00 ton, Feb. 28, Mar. 1-2. TOTAL PHOSPHORUS CONCENTRATIONS: Maximum observed, 0.592 mg/L, Mar. 11; minimum observed, 0.029 mg/L, Jan. 27. TOTAL PHOSPHORUS DISCHARGE: Maximum daily, 888 lb, Sept. 18; minimum daily, 0.00 lb, Feb. 28, Mar. 1-2. DISSOLVED TOTAL PHOSPHORUS CONCENTRATIONS: Maximum observed, .241 mg/L, Jun. 15; Minimum observed, .013 mg/L Jan. 27.