Lake water level report
Big Birch - 77008400
Todd County
Water Level Data
Period of record: 08/13/1937 to 10/29/2024
# of readings: 2944
Highest recorded: 1185.87 ft (07/12/2002)
Highest known: 1186.6 ft
Lowest recorded: 1182.64 ft (07/19/1988)
Recorded range: 3.23 ft
Last reading: 1184.25 ft (10/29/2024)
Ordinary High Water Level (OHW) elevation: 1184.9 ft
Datum: NGVD 29 (ft)
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Last 10 years of data, click to enlarge.
Benchmarks
| Elevation: 1186.28 ft | Datum: NGVD 29 (ft) |
| Date Set: 05/07/2001 | Location: T127R32S30 |
| Description: Found 2013 for use only with prior permission from landowner. Top lakeside edge at the centerline of concrete boathouse door sill at private residence, 29307 Arbor Drive, Grey Eagle. | |
| Elevation: 1192.16 ft | Datum: NGVD 29 (ft) |
| Date Set: 07/07/1999 | Location: T127R32S30 |
| Description: 60d spk in the west side of 1.2' cedar on top of lake bank about 30' east of dock at gage readers house. | |
| Elevation: 1194.84 ft | Datum: NGVD 29 (ft) |
| Date Set: 07/18/1990 | Location: T127R32S31 |
| Description: For use only with prior permission from landowner. Top left (looking from lake) lake side corner of 1st step up at entrance to gage readers house at private property, 44834 Birch Hill Road. | |
| Elevation: 1189.96 ft | Datum: NGVD 29 (ft) |
| Date Set: 01/03/1990 | Location: T127R32S17 |
| Description: Vertical 3/8" x 8" spike in the E-NE root of a 4.5' cottonwood, 87' west of an inlet culvert and 36' south of centerline of road at west fenceline. | |
| Elevation: 1193.93 ft | Datum: NGVD 29 (ft) |
| Date Set: 05/16/2013 | Location: T127R32S32 |
| Description: Found 2019 for use only with prior permission from landowner. Top centerline of last step of a series of 2.7' wide X 1.0' deep concrete steps, the last step with retaining wall block, not the 2.7' X 2.9' concrete pads to lake, at private residence, 44965 Co Rd 35, Grey Eagle. | |
| Elevation: 1191.83 ft | Datum: NGVD 29 (ft) |
| Date Set: 05/01/2019 | Location: T127R32S32 |
| Description: Found 2024 for use only with prior permission from landowner. Centerline of concrete floor at boat garage door facing lake, at private residence, 30169 Shady Lane, Melrose. | |
| Elevation: 1189.74 ft | Datum: NGVD 29 (ft) |
| Date Set: 05/07/2014 | Location: T127R33S25 |
| Description: Found 2019. Top centerline of downstream end of lower left headwall of left box culvert under Angler Dr, Grey Eagle, at outlet dam of Big Birch Lake (77-0084), located near the Northeast corner of Little Birch Lake (77-0089). [Note: Elevation = 1189.93 (NAVD 88) as per 2/19/19 GPS survey.] | |