Lake name: Long

County: Washington


Last 10 years of data, click to enlarge.

Water Level Data

Period of record: 06/21/1974 to 07/10/2018
# of readings: 694
Highest recorded: 931.04 ft (04/23/2001)
Lowest recorded: 925.79 ft (07/01/1975)
Recorded range: 5.25 ft
Last reading: 930.35 ft (07/10/2018)
Ordinary High Water Level (OHW) elevation: 929.7 ft
Datum: NGVD 29 (ft)

Download lake level data as: [dBase] [ASCII] (If you have trouble try right clicking on the appropriate link and choosing the "Save ... As" option.)


Benchmarks

Elevation: 933.29 ftDatum: NGVD 29 (ft)
Date Set: 08/02/1990Location: T31R20S9
Description: Horizontal 3/8" x 8" spike, 2.6' above ground, in the north side of a high line pole, on south side of C.S.A.H. 4 and first pole west of private driveway to private property, 12768 170th St N, Marine on St Croix, at NW end of lake.
Elevation: 935.9 ftDatum: NGVD 29 (ft)
Date Set: 04/06/1995Location: T31R20S10
Description: Found 2013 with prior permission. Vertical 3/8" x 8" spike in the South root of a 1.8' red oak, 34' East of East curb of C.S.A.H. 55, approximately 138' South of the southerly of the two C.M.P.'s under C.S.A.H. 55, and approximately 40' North across the road of a driveway to the N-NE to private residence, 16363 Norell Ave N, Marine on St Croix, at the outlet on SE end of lake. [Note: Add 0.14' to NGVD 1929 elevations to obtain NAVD 1988 datum.]