Page Loading - Please Wait...
Click to hideNews Bulletins
Notice of planned maintenance to underlying USGS network September 24-26, 2021: During this maintenance period users may experience intermittent periods of inaccessibility or delayed delivery of hydrologic data to the USGS National Water Information System (NWIS). Please email firstname.lastname@example.org with any concerns regarding impacts to data delivery.
LOCATION.--Lat 42°56'03", long 95°25'04"
referenced to North American Datum of 1983, in NE 1/4 SE 1/4 NW 1/4
sec.26, T.94 N., R.39 W., O'Brien County, IA, Hydrologic Unit
10230003, 0.6 mi north of intersection of Yellow Avenue and State
Highway 10, and 3.5 mi northwest of Peterson. (map)
WELL CHARACTERISTICS.--Depth 28.5 ft. Upper casing diameter 2 in;
top of first opening 15.5 ft, bottom of last opening 25.5 ft. Drilled
observation well, cased to 28.5 ft. All depths below land-surface
DATUM.--Land-surface datum is 1,299.53 ft above North American
Vertical Datum of 1988. Measuring point: top of casing, 1.20 ft above
land-surface datum, May 7, 2009, to present. Land-surface datum from
PERIOD OF RECORD.--Water-level measurements, water years
PERIOD OF DAILY RECORD.--Water-level records from December 2008 to