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Water-Year Summary for Site 443920092412703

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Available Parameters
00010 Temperature, water(Mean)  
00010 Temperature, water(Mean)  
62611 Elevation, GW, NAVD88(Mean)  
72019 Water level, depth LSD(Min.,Mean,Max.)  

Water year 2025: 2025-10-01 to 2026-09-30
 
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USGS Water-Year Summary 2025
443920092412703 PI98-12B (deep) 114N16W25BBCB 01 Prairie Is.2 0000612797
Sand and gravel aquifers (glaciated regions)
Des Moines Outwash
LOCATION - Lat 44°39'21.92", long 92°41'25.56" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 NW 1/4 sec.25, T.114 N., R.16 W., Goodhue County, MN, Hydrologic Unit 07040001, 5 miles south and 8 miles east of Hastings, Minnesota. The land surface at the site is 688.97 plus-or-minus 5 feet above the North American Vertical Datum of 1988.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 73.35 ft. Upper casing diameter 2 in; top of first opening 68 ft, bottom of last opening 73 ft. The hole for well PI98-12B was drilled with an 8.25-inch-diameter power auger to a depth of 85 feet. The well is constructed of a 5-foot-long, 2-inch-diameter, stainless steel wire-wound screen, attached to 70.43 feet of 2-inch-diameter, black steel pipe. This casing stuck up 2.43 feet above land surface on Sept. 10, 1998. The open interval of the well is 68.4 - 73.4 feet below land surface and the well is 73.4 feet deep, according to drilling log. A total well depth of 73.35 feet below land surface was measured on May 18, 2011, and this measurement was updated in GWSI database.
DATUM - Land-surface datum is 686.61 ft above North American Vertical Datum of 1988. Measuring point: MP is mark on casing, not from protection post. MP height is from RP, not LS. RP is 0.04' AL, 2.41 ft above land-surface datum, Nov. 6, 2012 to present.
PERIOD OF RECORD -

Periodic water levels were recorded from 10 Sept. 1998 to 18 May 2011. Hourly water levels were recorded from 6 Nov. 2012 to 06 Jul. 2017 at 18:00 CDT with a pressure transducer and data logger, except during the following periods:

05 Jan. 2015 at 16:00 CST – 25 Apr. 2015 at 11:00 CDT: due to a failed transducer thermistor. 
Many data are missing during 25 Jan. 2016 during 14:00-4 Apr. 2016 at 10:55 CDT because the transducer began to fail intermittently.
19 Nov. 2016 at 17:00 CDT: due to unknown water level spike.
07 Dec. 2016 at 00:00 CST: due to unknown water level spike.
10 Dec. 2016 at 21:00 CST: due to unknown water level spike.
04 Apr. 2017 at 14:00 CDT: due to unknown water level spike.
08 Apr. 2017 at 05:00 CDT: due to unknown water level spike.
23 May 2017 at 13:00 CDT: due to unknown water level spike.

When possible, missing daily-average water levels (above) were accurately estimated through 01 July 2016 based on the trend of the hydrograph during these periods.

GAGE -

Water level and water temperature was measured with a WaterLOG H-3123 submersible pressure transducer accurate to 0.01 feet and 0.1°C respectively. Data were recorded by a Campbell Scientific, Inc. CR10 data logger hourly. The data logger is housed in a 14-inch X 16-inch grey fiberglass shelter attached to a 1-1/4-inch antenna mast. The gage is powered by a 20W solar panel and is telemetered by cellular telephone.

The WaterLOG H-3123 pressure transducer was removed from the well on 06 Jul. 2017 at 18:00 CDT. No longer recording continuous WL and WT data in this well. Site has been discontinued from active monitoring network for the Prairie Island Indian Community.

COOPERATION - Well PI98-12B is operated by the U.S. Geological Survey in cooperation with the Prairie Island Indian Community. The monitoring well is part of a network of monitoring wells; used to collect water quality and water quantity data for the Prairie Island Indian Community.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 73.35 ft. Upper casing diameter 2 in; top of first opening 68 ft, bottom of last opening 73 ft. The hole for well PI98-12B was drilled with an 8.25-inch-diameter power auger to a depth of 85 feet. The well is constructed of a 5-foot-long, 2-inch-diameter, stainless steel wire-wound screen, attached to 70.43 feet of 2-inch-diameter, black steel pipe. This casing stuck up 2.43 feet above land surface on Sept. 10, 1998. The open interval of the well is 68.4 - 73.4 feet below land surface and the well is 73.4 feet deep, according to drilling log. A total well depth of 73.35 feet below land surface was measured on May 18, 2011, and this measurement was updated in GWSI database.
DATUM - Land-surface datum is 686.61 ft above North American Vertical Datum of 1988. Measuring point: MP is mark on casing, not from protection post. MP height is from RP, not LS. RP is 0.04' AL, 2.41 ft above land-surface datum, Nov. 6, 2012 to present.
PERIOD OF RECORD -

Hourly water temperature was recorded from 6 Nov. 2012 to 06 Jul. 2017 at 18:00 CDT, except during the following periods:

05 Jan. 2015 at 16:00 CST – 25 Apr. 2015 at 11:00 CDT: due to a failed transducer thermistor. 
Many data are missing during 25 Jan. 2016 during 14:00-4 Apr. 2016 at 10:55 CDT because the transducer began to fail intermittently.
17 Sept. 2016 at 11:00 CDT: due to unknown water temperature spike.
21 Sept. 2016 at 02:00 & 07:00 CDT: due to unknown water temperature spike.
19 Nov. 2016 at 17:00 CDT: due to unknown water temperature spike.
07 Dec. 2016 at 00:00 CST: due to unknown water temperature spike.
10 Dec. 2016 at 21:00 CST: due to unknown water temperature spike.
08 Apr. 2017 at 05:00 CDT: due to unknown water temperature spike.
23 May 2017 at 13:00 CDT: due to unknown water temperature spike.

When possible, missing daily-average water temperatures (above) were accurately estimated through 01 July 2016 based on the trend of this well's thermograph and adjacent well PI98-12 & PI98-12B thermographs during these periods.

COOPERATION - Well PI98-12B is operated by the U.S. Geological Survey in cooperation with the Prairie Island Indian Community. The monitoring well is part of a network of monitoring wells; used to collect water quality and water quantity data for the Prairie Island Indian Community.
INSTRUMENTATION - Water temperature is measured with the calibrated thermistor of a WaterLOG H-3123 submersible pressure transducer accurate to +/- 0.1°C.
REMARKS - On Jan. 05, 2015, the transducer containing the thermistor, which measures the water temperature, was replaced with a new transducer. This new transducer now hangs 12.33 ft. lower in the well, due to the longer cable length on this transducer. This change affected the thermograph; lowering its amplitude toward the thermograph mean. To reflect this change, water temperature data are now stored in a different data stream (data descriptor 6) than before the transducer was lowered (data descriptor 2) and sensor depth was added to the data stream descriptor.

On 22 Apr. 2016, the transducer (above) was replaced with a new transducer. This current transducer now hangs back at the original 17.5 feet below land surface. To reflect this change, water temperature data are now being stored in the original data stream (data descriptor 2).