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Water-Year Summary for Site 433531092265306

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

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
433531092265306 NTR3-5 North Drained Site Transect 3
Sand and gravel aquifers (glaciated regions)
Pleistocene Series
LOCATION - Lat 43°35'31.90", long 92°26'52.65" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 sec.31, T.102 N., R.13 W., Fillmore County, MN, Hydrologic Unit 07060002, The piezometer is located approximately 1.75 miles SW of Ostrander, MN. The piezometer is located in an agricultural field. The piezometer is located approximately 0.35 miles NE of the intersection of 160 street and Mower/Fillmore County Line Road.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 8.33 ft. Upper casing diameter 1.57 in; top of first opening 3.17 ft, bottom of last opening 7.64 ft. Piezometer NTR3-5 was installed using several sections of 3.25-inch-diameter Geoprobe rods to a depth of 9.0 feet. The piezometer is constructed of a 4.47-feet-long, 1.5-inch-diameter, schedule-40 PVC, 0.010-inch slotted Hole Products Inc. well screen, flush threaded to length/s of 5.00 feet of 1.5-inch-diameter, schedule-40 PVC well casing. The piezometer casing measuring point (stickup) was 1.68 feet (1341.17 ft. NAVD88, +/- 0.05 ft.) above land surface when measured on 27 April 2016. The open interval of the piezometer is between 3.17 and 7.64 feet below land surface and the total well depth is 8.33 feet below land surface.

This piezometer is screened in glacial till/clay sediment, which is overlies bedrock.
DATUM - Land-surface datum is 1,339.49 ft above North American Vertical Datum of 1988. Measuring point: This initial MP height was cut on 2016-04-27, 1.95 ft above land-surface datum, Apr. 26, 2016 to Apr. 26, 2016; Black mark on top of PVC well casing, 1.68 ft above land-surface datum, Apr. 27, 2016 to present. The measuring point is a black mark on the top of the white PVC 1.5-inch diameter well casing, which was 1.68 feet above land surface on 27 April 2016. Elevation of the measuring point is 1341.17 plus-or-minus 0.05 feet above sea level, North American Vertical Datum of 1988, based on differential GPS survey on 20 August 2016.
PERIOD OF RECORD - Water levels were recorded periodically from 16 June 2016 to 29 October 2018. Water levels were recorded hourly from 14 September 2016 at 15:45 CDT to 29 October 2018 at 15:15 CDT, except during the following periods:

14 Sept. 2016 at 15:45 CDT - 11 Apr. 2017 at 18:30 CDT: piezometer cap not vented; deleted inaccurate data.
GAGE - Continuous water level and water temperature were measured with a new Solinst Model 3001 Levelogger Edge non-vented pressure transducer (SN: 0102060037) from 16 March 2017 at 17:15 CDT to 29 October 2018 at 16:15 CDT. These data were recorded quarter-hourly by the Solinst Model 3001 Levelogger pressure transducer, which had an internal data logger built into it. The data logger was housed inside the 1.5-inch PVC well casing. The piezometer has a slip-on PVC cap and no pad lock. The gage was powered by an internal pressure transducer battery. Data were downloaded manually and no telemetry or phone line was wired into the gage.

The pressure transducer and data logger were removed from the well on 29 Oct. 2018 at 16:15 CDT. Data collection for the Impacts on Drainage Recharge study have concluded and all data logging equipment have been removed from the site.
COOPERATION - This site was operated (2016-2018) by the U.S. Geological Survey as a monitoring piezometer for the Southeast Minnesota Subsurface Drainage Impacts on Groundwater Recharge study. The piezometer began to be used as part of the Southeast Minnesota Subsurface Drainage Impacts on Groundwater Recharge study during 22 Apr. 2016 to 29 Oct. 2018. The GW Drainage Recharge study is a collaborative effort between the Environment and Natural Resources Trust Fund (via Legislative-Citizen Commission on Minnesota Resources (LCCMR)) and the U.S. Geological Survey.
REMARKS - Continuous water levels are measured with a sealed (non-vented) pressure transducer. Transducer water-levels are compensated for barometric-pressure variations the record of a nearby barometric-pressure sensor located at site NTR2-3A. The water-level record is linearly corrected to calibration water levels twice per year (Spring & Fall). Calibration water levels are measured with electric or steel tapes that are themselves calibrated about every 3 years.

Water levels below land surface appear accurate to about ±0.10 feet during 14 September 2016 to 29 October 2018 based on short-term water-level variability and calibration corrections of the water level record. Sequential water-level differences are accurate to ±0.01 feet based on manufacture specifications. However, the entire water-level record contains cyclic artifacts of the barometric pressure that remain after raw water levels from the unvented pressure transducer are corrected with the barometric pressure record.  These artifacts, which are not real water level changes, are circum-daily in period and have an amplitude of about 0.02 to 0.05 feet.  Additionally, the water-level record is biased depending on where in the barometric-artifact cycle calibration corrections are made.  The direction of this bias is unknown, but the amount is less than or equal to the amplitude that of the artifact cycle.

Water elevation above North American Vertical Datum of 1988 (sea level) is calculated by subtracting water level (below land-surface datum) from land-surface elevation. Land-surface elevation is accurate to plus-or-minus 0.05 feet based on a differential GPS survey on 20 August 2016.  Water elevation accuracy is the sum of the water level (below land-surface datum) and land-surface elevation accuracy, or about ±0.15 feet.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 8.33 ft. Upper casing diameter 1.57 in; top of first opening 3.17 ft, bottom of last opening 7.64 ft. Piezometer NTR3-5 was installed using several sections of 3.25-inch-diameter Geoprobe rods to a depth of 9.0 feet. The piezometer is constructed of a 4.47-feet-long, 1.5-inch-diameter, schedule-40 PVC, 0.010-inch slotted Hole Products Inc. well screen, flush threaded to length/s of 5.00 feet of 1.5-inch-diameter, schedule-40 PVC well casing. The piezometer casing measuring point (stickup) was 1.68 feet (1341.17 ft. NAVD88, +/- 0.05 ft.) above land surface when measured on 27 April 2016. The open interval of the piezometer is between 3.17 and 7.64 feet below land surface and the total well depth is 8.33 feet below land surface.

This piezometer is screened in glacial till/clay sediment, which is overlies bedrock.
DATUM - Land-surface datum is 1,339.49 ft above North American Vertical Datum of 1988. Measuring point: This initial MP height was cut on 2016-04-27, 1.95 ft above land-surface datum, Apr. 26, 2016 to Apr. 26, 2016; Black mark on top of PVC well casing, 1.68 ft above land-surface datum, Apr. 27, 2016 to present. The measuring point is a black mark on the top of the white PVC 1.5-inch diameter well casing, which was 1.68 feet above land surface on 27 April 2016. Elevation of the measuring point is 1341.17 plus-or-minus 0.05 feet above sea level, North American Vertical Datum of 1988, based on differential GPS survey on 20 August 2016.
PERIOD OF RECORD - Water temperatures were recorded hourly from 14 September 2016 at 14:00 CDT to 29 October 2018 at 15:15 CDT.
COOPERATION - This site was operated (2016-2018) by the U.S. Geological Survey as a monitoring piezometer for the Southeast Minnesota Subsurface Drainage Impacts on Groundwater Recharge study. The piezometer began to be used as part of the Southeast Minnesota Subsurface Drainage Impacts on Groundwater Recharge study during 22 Apr. 2016 to 29 Oct. 2018. The GW Drainage Recharge study is a collaborative effort between the Environment and Natural Resources Trust Fund (via Legislative-Citizen Commission on Minnesota Resources (LCCMR)) and the U.S. Geological Survey.
INSTRUMENTATION - Water temperature are measured with an Solinst Levelogger 3001 submersible pressure transducer accurate to +/- 0.1°C. Temperature differences are accurate to 0.1°C.