Mohawk Lake
Oakland County, WisconsinLimited DataMesotrophic
Mohawk Lake is a 370-acre mesotrophic lake in Oakland County, MI. Water quality is graded B based on 1 sampling years through 2023. Compared to the 44 other monitored lakes in Oakland County, Mohawk Lake ranks #26 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-09-11. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 11 ft. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 370 acres |
Location
County Ranking
Ranked #26 of 45 lakes in Oakland County
Cleaner Lakes Within 30 Miles
Mohawk Lake holds Grade B. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Oakland County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Lapeer County · Clarity: 9.5 ft
Livingston County · Clarity: 13 ft
Manistee County · Clarity: 11 ft
Lake County · Clarity: 14 ft
Cass County · Clarity: 10.5 ft
Genesee County · Clarity: 10 ft
Mesotrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Mohawk Lake is a man-made reservoir impounded by the Clintonville Dam (completed 1915), built primarily for recreation on the Clinton River; earth-type dam, 14 ft tall and 200 ft long.
- Surface area
- 370 ac
- Normal storage
- 2,400 ac-ft
- Max storage
- 3,900 ac-ft
- Drainage area
- 0 sq mi
- Hazard class
- Significant
- Owner
- Oakland County Drain Commissioner
Source: USACE National Inventory of Dams, NID ID MI00241 · Operator website · Matched by proximity (0.98 km)
EPA Impairment Status
Mohawk Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040900030103-05 · Official waterbody report · Matched by proximity (0.42 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-09-11
Monitoring stations: 1