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Glacial Surficial Sand and/or Gravel
On 16 Jul. 2024, the well casing stickup was rebuilt at the raft. The stickup/MP changed from 5.67 ft. (MP1) to 4.12 ft. (MP2) after the stickup/MP was rebuilt.
NOTE: This well extends out of the top of a wooden raft in the middle of an unnamed lake. The well is screened below the bottom of the lake. This well is typically frozen during late-Fall to early-Spring due to being in the middle of the frozen lake
The current measuring point (MP2) is a black mark on the aluminum well cap ring, which is 4.12 feet above land surface during 16 Jul. 2024 to the present. The measuring point (stickup) length is hard to accurately measure at this well due to it being located the middle of a lake at a raft, so getting a true "land surface" is nearly impossible. Elevation of the measuring point was 1390.91 plus-or-minus 0.01 feet above sea level, North American Vertical Datum of 1988, based on a differential levels survey on 25 Jul. 2025. Differential levels were shot from MP2 to the MP at nearby at 1217E.
The measuring point (MP1) was a black mark on the aluminum well cap ring, which remains at 5.67 feet above land surface during 28 Feb. 1985 to 16 Jul. 2024. The measuring point (stickup) length is hard to accurately measure at this well due to it being located the middle of a lake at a raft, so getting a true "land surface" is nearly impossible. Elevation of the measuring point was 1392.48 plus-or-minus 0.01 feet above sea level, North American Vertical Datum of 1988, based on a differential GPS Survey on 29 Jun. 2011.
The measuring point (MP1) was a black mark on well casing, which was 5.67 feet above land surface on Feb. 28, 1985. Elevation of the measuring point that measuring point was 1390.84 plus-or-minus 0.01 feet above sea level, North American Vertical Datum of 1988, based on differential GPS Survey on 29 Jun. 2011.
Water levels were recorded periodically from 05 April 1992 to the present. Water levels were recorded hourly during 12 May 2011 at 10:00 CDT to 27 October 2011 at 09:00 CDT.
Continuous water level was measured with an OTT Orpheus Mini 0-4m pressure transducer from 12 May 2011 to 27 Oct. 2011. Data were recorded hourly by the same OTT Orpheus Mini pressure transducer, which had a datalogger built into it. The datalogger was housed inside of the 2-inch galvanized steel well casing, which has a aluminum locking well cap on top of that. The gage was powered by 3 AA alkaline batteries that were inside of the communications rod. Data was downloaded manually and no telemetry or phone line was wired into the gage. The OTT Orpheus Mini pressure transducer and datalogger were removed from the well on 27 Oct. 2011 due to completion of the study.
On 16 Jul. 2024, the well casing stickup was rebuilt at the raft. The stickup/MP changed from 5.67 ft. (MP1) to 4.12 ft. (MP2) after the stickup/MP was rebuilt.
NOTE: This well extends out of the top of a wooden raft in the middle of an unnamed lake. The well is screened below the bottom of the lake. This well is typically frozen during late-Fall to early-Spring due to being in the middle of the frozen lake
The current measuring point (MP2) is a black mark on the aluminum well cap ring, which is 4.12 feet above land surface during 16 Jul. 2024 to the present. The measuring point (stickup) length is hard to accurately measure at this well due to it being located the middle of a lake at a raft, so getting a true "land surface" is nearly impossible. Elevation of the measuring point was 1390.91 plus-or-minus 0.01 feet above sea level, North American Vertical Datum of 1988, based on a differential levels survey on 25 Jul. 2025. Differential levels were shot from MP2 to the MP at nearby at 1217E.
The measuring point (MP1) was a black mark on the aluminum well cap ring, which remains at 5.67 feet above land surface during 28 Feb. 1985 to 16 Jul. 2024. The measuring point (stickup) length is hard to accurately measure at this well due to it being located the middle of a lake at a raft, so getting a true "land surface" is nearly impossible. Elevation of the measuring point was 1392.48 plus-or-minus 0.01 feet above sea level, North American Vertical Datum of 1988, based on a differential GPS Survey on 29 Jun. 2011.
The measuring point (MP1) was a black mark on well casing, which was 5.67 feet above land surface on Feb. 28, 1985. Elevation of the measuring point that measuring point was 1390.84 plus-or-minus 0.01 feet above sea level, North American Vertical Datum of 1988, based on differential GPS Survey on 29 Jun. 2011.
Water quality samples have been collected periodically from 26 July 2002 to the present. Water temperatures were recorded hourly during 12 May 2011 at 10:00 CDT to 27 October 2011 at 09:00 CDT.
