Lake water level report
Ponto - 11023400
Cass County
Water Level Data
Period of record: 08/23/1935 to 04/30/2025
# of readings: 491
Highest recorded: 1336.05 ft (07/20/1999)
Lowest recorded: 1328.43 ft (08/23/1935)
Recorded range: 7.62 ft
Last reading: 1333.86 ft (04/30/2025)
Ordinary High Water Level (OHW) elevation: 1335.3 ft
Datum: NGVD 29 (ft)
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Last 10 years of data, click to enlarge.
Benchmarks
| Elevation: 1339.37 ft | Datum: NGVD 29 (ft) |
| Date Set: 05/02/2000 | Location: T139R29S3 |
| Description: Found 2024. Bolt in NE side of 1.6' white pine, 10' North of Co Rd 46 and 45' west of Ponto Lake outlet ditch. Set 60d spike at same elevation 6/24/20. | |
| Elevation: 1338.64 ft | Datum: NGVD 29 (ft) |
| Date Set: 09/16/1992 | Location: T139R29S15 |
| Description: Horizontal 3/8" x 8" spike, 0.5' above grd, in the east side of 1.6' red pine (same tree as 1338,28 BM), 12' south of E-W fenceline, and 97' NE of centerline of concrete boat ramp, at public access, across from 1614 E Ponto Lake Rd NW, Backus, on SE side of lake. | |
| Elevation: 1338.28 ft | Datum: NGVD 29 (ft) |
| Date Set: 09/16/1992 | Location: T139R29S15 |
| Description: Horizontal 60d spike in the south side of a 1.6' red pine 12' south of E-W fenceline, and 97' NE of centerline of concrete boat ramp, at public access, across from 1614 E Ponto Lake Rd NW, Backus, on SE side of lake. | |