Lake name: Little Carnelian

County: Washington


Last 10 years of data, click to enlarge.

Water Level Data

Period of record: 08/07/1975 to 07/10/2018
# of readings: 696
Highest recorded: 856.67 ft (05/15/2001)
Lowest recorded: 821 ft (11/07/1977)
Recorded range: 35.67 ft
Last reading: 854.98 ft (07/10/2018)
Ordinary High Water Level (OHW) elevation: 856.2 ft
Datum: NGVD 29 (ft)

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Benchmarks

Elevation: 858.73 ftDatum: NGVD 29 (ft)
Date Set: 12/27/1984Location: T30R20S3
Description: Set by Hydrographic Survey "a 3/8 x8" spike in the lakeside of a 2.0' cottonwood, 29' left of the new outlet structure"
Elevation: 854.4 ftDatum: NGVD 29 (ft)
Date Set: 04/11/1997Location: T30R20S3
Description: Found 2009. Top of weir sill at outlet, near 116th St & Partridge Rd. [Elevation=854.48 NAVD 88, as such add 0.08' to equate to NAVD 88 as per GPS survey 10/29/15.]