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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 2024
420117092505601 083N17W05DCDD 1997NAWQA Marshall Co IADRN-5
Sand and gravel aquifers (glaciated regions)
Holocene Alluvium
Holocene Alluvium
LOCATION - Lat 42°01'16.5", long 92°50'56.3" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 NE 1/4 sec.08, T.83 N., R.17 W., Marshall County, IA, Hydrologic Unit 07080208, 0.5 mi west from intersection of 230th Street and Quarry Road in Marshalltown.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 23 ft. Upper casing diameter 2 in; top of first opening 18 ft, bottom of last opening 23 ft. Drilled observation well, cased to 18 ft. All depths below land-surface datum.
DATUM - Land-surface datum is 863.94 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.50 ft above land-surface datum, Jul. 9, 1997 to present. Land-surface datum from lidar digital elevation model.
PERIOD OF RECORD - Water-level measurements, water years 1997, 1999, 2005, 2007, 2009-2014, 2017.
GAGE - Water-level recorder.
PERIOD OF DAILY RECORD - Water-level records from April 2013 to September 2014, October 2016 to September 2017.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 23 ft. Upper casing diameter 2 in; top of first opening 18 ft, bottom of last opening 23 ft. Drilled observation well, cased to 18 ft. All depths below land-surface datum.
DATUM - Land-surface datum is 863.94 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.50 ft above land-surface datum, Jul. 9, 1997 to present. Land-surface datum from lidar digital elevation model.
PERIOD OF RECORD - Water years 1997, 2007.
