USGS Water-Year Summary 2024
05427965 SPRING HARBOR STORM SEWER AT MADISON, WI
LOCATION - Lat 43°04'45", long 89°28'15" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 sec.18, T.7 N., R.9 E., Dane County, WI, Hydrologic Unit 07090001, in city park near
the junction of Spring Harbor Drive and University Avenue in Madison.
DRAINAGE AREA - 3.29 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 1976 to current year.
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 855.1 ft above NAVD of 1988.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - Tipping bucket rain gage June 26, 2019 to present.
INSTRUMENTATION - A TR-525USW Tipping Bucket Rain Gage (8.00” funnel diameter) is used with a Campbell Scientific CR10 datalogger to record rainfall in increments of ~0.01 inches. The rain gage is mounted on the top of the shelter, approximately 15 feet above ground. The record starts 6/27/2019. Data are retrieved via a cellular modem. The rain gage is not heated, and is not covered in the winter, therefore snowfall that melts in the funnel is interpreted as snowmelt and is removed from the record.
WATER-QUALITY RECORDS
PERIOD OF RECORD - February 1976 to current year.
PERIOD OF DAILY RECORD - SUSPENDED-SEDIMENT DISCHARGE: Oct. 1991 to current year; CHLORIDE DISCHARGE: Feb. 2014 to current year; TOTAL PHOSPHORUS DISCHARGE: Jun. 2015 to current year; TOTAL KJELDAHL NITROGEN DISCHARGE: Jun. 2015 to current year; SUSPENDED SOLIDS DISCHARGE: Jun. 2015 to current year.
INSTRUMENTATION - Water-quality autosampler since Feb. 1976.