Lake name: Little Rock

County: Benton


Last 10 years of data, click to enlarge.

Water Level Data

Period of record: 05/25/1985 to 10/20/2018
# of readings: 948
Highest recorded: 1018.96 ft (04/10/1997)
Highest known: 1021.3 ft (April 1965)
Lowest recorded: 1013.94 ft (08/20/2018)
Recorded range: 5.02 ft
Last reading: 1015.18 ft (10/20/2018)
Ordinary High Water Level (OHW) elevation: 1016 ft
Datum: NGVD 29 (ft)

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Benchmarks

Elevation: 1024.12 ftDatum: NGVD 29 (ft)
Date Set: 04/11/1989Location: T37R31S15
Description: Found 2015. Top of Mn-DOT concrete R/W marker located along north property boundary of the public access located at Little Rock Lake on the south side of HWY 10. The monument is located where the entrance road divides into the parking area, approximately 20 ft east of the blacktop entrance road.
Elevation: 1024.96 ftDatum: NGVD 29 (ft)
Date Set: 05/02/1991Location: T37R31S14
Description: MnDOT BM in SE corner of W bound bridge of Highway 10 on the south end of lake.
Elevation: 1021.33 ftDatum: NGVD 29 (ft)
Date Set: 10/14/1997Location: T38R31S34
Description: Brass cap located in the SE bridge abutment of bridge No.05512 over Little Rock Creek where it enters into Little Rock Lake on the North end. Bridge is located on County RD 2.