Bruin Lake
Washtenaw County, Michigan130 acresView mapDirections
EGLE publishes the water-quality measurements for Bruin Lake. Here is what has been measured.
- Impaired · PFAS
- 48 ft max depth
- Public access
- Limited data
Bruin Lake in Washtenaw County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 11.5 ft visibility. Maximum depth: 48 ft. Surface area: 129.7 acres.
Bruin Lake is a 130-acre lake in Washtenaw County, Michigan with a maximum depth of 48 feet. The lake supports 1 documented fish species including Lake herring. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2016-09-11. Methodology: how these readings are compared.
What Bruin Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11.5 ft of visibility
- Boat launch1 documented ramp
- Deep water48 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Bruin Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pFAS. Check local advisories before you swim.
Whether Bruin 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 Bruin Lake
These are the measurements EGLE publishes for Bruin Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 11.5 ft. TSI 42.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 11.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 42 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Bruin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
48 ft
Surface area
130 acres
Public access
Yes
Listed by EGLE
Recreation & Access
- Bruin LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Fish Species
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Fishing Bruin Lake
EPA Impairment Status
Bruin Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
Source: EPA ATTAINS assessment unit MI040900050306-09 · Official waterbody report
Nearby Lakes in Washtenaw County
Frequently asked questions about Bruin Lake
Where is Bruin Lake?
- Bruin Lake is a lake in Washtenaw County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Bruin Lake?
- Bruin Lake in Washtenaw County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 11.5 ft visibility. Maximum depth: 48 ft. Surface area: 129.7 acres.
Is Bruin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Bruin Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pFAS. Check local advisories before you swim.
How deep is Bruin Lake?
- Bruin Lake has a maximum depth of 48 feet. The lake covers 129.7 acres.
What fish are in Bruin Lake?
- Fish species found in Bruin Lake include Lake herring. Bruin Lake is located in Washtenaw County, Michigan.
Are there boat ramps on Bruin Lake?
- Bruin Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Bruin Lake. Public access is listed as yes.
Can I fish at Bruin Lake?
- Bruin Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Michigan's fish and wildlife agency, so check its current regulations before you go.
Explore Bruin Lake across LakeQuality
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Where this data comes from
7 measurements from 1 monitoring station, 2016. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS7 samples · 2016
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
Named boat-access points from the USGS National Boat Ramps inventory