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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2025
04073240 CHAFFEE CREEK AT I-39 NEAR COLOMA, WI
LOCATION - Lat 43°58'54.3", long 89°29'52.1" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.1, T.17 N., R.8 E., Marquette County, WI, Hydrologic Unit 04030201,
DRAINAGE AREA - 4.30 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 2017 to present.
GAGE -
GWSI Method Code: GNSS4
GWSI Altitude Accuracy: 0.06 ft
Water stage recorder and crest stage gage.
ORIGIN AND HISTORY OF DATUMS
Datum of gage is 908.74 above NAVD of 1988
The NAVD of 1988 datum of gage was determined by a Real-Time Network survey using the statewide Global Navigation Satellite System (GNSS) reference station network, called the Wisconsin Continuously Operating Reference Stations (WISCORS) Network. The survey was done on 6/23/2022 by USGS personnel using a Topcon Hyper VR rover in combination with the FC5000 field tablet. Reference Frame NAD_83 (2011) (EPOCH:2010.000), GEOID18.GWSI Method Code: GNSS4
GWSI Altitude Accuracy: 0.06 ft
REMARKS - Gage height telemeter and data-collection platform at station. Records are considered good except periods of estimated discharges, which are considered poor, and other periods as noted.
