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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
420031091443301 2015USGS GPW1
Sand and gravel aquifers (glaciated regions)
Holocene Alluvium
Holocene Alluvium
LOCATION - Lat 42°00'31.6", long 91°44'33.7" referenced to North American Datum of 1983, Linn County, IA, Hydrologic Unit 07080205,
GROUNDWATER RECORDS
DATUM - Land-surface datum is 721.58 ft above North American Vertical Datum of 1988. Measuring point: top of PVC casing, 2.91 ft above land-surface datum, Sep. 14, 2015 to present.
