Lake water level report
Wilmes - 82009000
Washington County
Water Level Data
Period of record: 03/08/1985 to 03/28/2025
# of readings: 585
Highest recorded: 905.54 ft (08/12/2010)
Lowest recorded: 898.16 ft (10/02/2013)
Recorded range: 7.38 ft
Last reading: 901.84 ft (03/28/2025)
Ordinary High Water Level (OHW) elevation: 902.6 ft
Datum: NGVD 29 (ft)
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Last 10 years of data, click to enlarge.
Benchmarks
| Elevation: 911.96 ft | Datum: NGVD 29 (ft) |
| Date Set: 04/15/1999 | Location: T28R21S3 |
| Description: Found 2008. 60d spk in a 1.0' boxelder, 1.4' above grd. 30' SW of path/boat ramp. North end of lake at park. | |
| Elevation: 928.33 ft | Datum: NGVD 29 (ft) |
| Date Set: 12/12/1991 | Location: T28R21S3 |
| Description: Inplace double 40d spks in the south side of a power pole in the NE quadrant of Brookview Road W and a drive south to the Kaiser residence (#9435), power pole is at the junction of 3 lines (E, W, & S) and has ribbon on it. | |
| Elevation: 906.71 ft | Datum: NGVD 29 (ft) |
| Date Set: 06/29/1999 | Location: T28R21S10 |
| Description: Double spks in 0.5' ash w/ribbon, approximately 75' west of newer outlet structure. | |
| Elevation: 906.02 ft | Datum: NGVD 29 (ft) |
| Date Set: 06/29/1999 | Location: T28R21S10 |
| Description: Found 2009. Right end/top corner of left downstream abutment and wingwall (on white paint mark) on concrete outlet structure on far south end of Wilmes Lake. Enter trail between 1866 & 1874 Bowsens Lane. [Elevation=906.25 NAVD 88, as such add 0.23' to equate to NAVD 88. As per GPS survey 9/30/15]. | |
| Elevation: 931.28 ft | Datum: NGVD 29 (ft) |
| Date Set: 12/23/1991 | Location: T28R21S10 |
| Description: Inplace, 80d spike in S side of PP, W of intersection of CSAH 19 and Brookview Rd at SW shore of Markgrafs Lake. | |