Lehr Lake
Branch County, Michigan21 acresView mapDirections
No nutrient or algae sampling on record from EGLE for this lake.
- Impaired · PFAS
- 34 ft max depth
- Public access
- Limited data
Ask about Lehr Lake
Answers come straight from the public measurements and survey records on this page.
Lehr Lake in Branch County, Michigan has water-quality measurements published by EGLE, shown here as reported. Surface area: 20.8 acres.
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Lehr Lake is a 21-acre lake in Branch County, Michigan with an estimated average depth of about 34 feet. The lake supports 9 documented fish species including Blackchin shiner, Bluegill, and Bluntnose minnow. Public access is available.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2025-07-08. Grade methodology: LakeQuality methodology.
What Lehr Lake is good for
From access and monitoring records, not editorial picks.
- Fishing9 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Lehr Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pFAS. Check local advisories before you swim.
Whether Lehr Lake is safe to swim in today is a call for the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lehr Lake
These are the measurements EGLE publishes for Lehr Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~34 ft est. |
| Average Depth | ~9 ft est. |
| Surface Area | 21 acres |
| Public Access | Yes |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Michigan has not published bathymetry for Lehr Lake.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Fish Species
Click a species to see every lake where it is documented.
Fishing Lehr Lake
EPA Impairment Status
Lehr Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MI040500010403-04 · Official waterbody report · Matched by proximity (0.67 km)
Nearby Lakes in Branch County
Frequently asked questions about Lehr Lake
Where is Lehr Lake?
- Lehr Lake is a lake in Branch County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Lehr Lake?
- Lehr Lake in Branch County, Michigan has water-quality measurements published by EGLE, shown here as reported. Surface area: 20.8 acres.
Is Lehr Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lehr Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pFAS. Check local advisories before you swim.
How deep is Lehr Lake?
- No published bathymetric survey covers Lehr Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 34 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 20.8 acres.
What fish are in Lehr Lake?
- Fish species found in Lehr Lake include Blackchin shiner, Bluegill, Bluntnose minnow, Green sunfish, Iowa darter, Johnny darter, Largemouth bass, Spotted gar, Yellow perch. Lehr Lake is located in Branch County, Michigan.
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Where this data comes from
1 measurement from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Nottawaseppi Huron Band of the Potawatomi (Tribal)
NOTTAWHURON_WQX1 sample · 2025
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)