Whitmore Lake
Livingston County, WisconsinLimited DataMesotrophic
Whitmore Lake is a 441-acre mesotrophic lake in Livingston County, MI. Water quality is graded C based on 1 sampling years through 2022. The lake supports 1 documented fish species including Bowfin. Compared to the 19 other monitored lakes in Livingston County, Whitmore Lake ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-09-15. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 9 ft. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 441 acres |
Fish Species
Click a species to see all Wisconsin and Minnesota lakes where it is found.
→ Best fishing times for Whitmore Lake (14-day solunar calendar)
→ Is it safe to eat fish from Whitmore Lake? (mercury & PFAS guide)
→ Whitmore Lake fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #11 of 20 lakes in Livingston County
Cleaner Lakes Within 30 Miles
Whitmore Lake holds Grade C. 3 nearby lakes hold higher grades.
- AOre Lake West Basin; Hamburg TownshipLivingston County · 4.3 mi · Two grade letters higher (C → A)
- BOneida Lake East Central BasinLivingston County · 5.5 mi · Higher grade (C → B)
- BBass LakeLivingston County · 5.9 mi · Higher grade (C → B)
Nearby Lakes in Livingston County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Cass County · Clarity: 7 ft
Leelanau County · Clarity: 9.5 ft
Iosco County · Clarity: 5.5 ft
Muskegon County · Clarity: 6.8 ft
Gladwin County · Clarity: 9 ft
Montmorency County · Clarity: 9 ft
Mesotrophic Lakes in Wisconsin
Reservoir Info (USACE NID)
Whitmore Lake is a man-made reservoir impounded by the Whitmore Lake Control Structure (completed 1969), built primarily for recreation on the No Outlet; concrete-type dam, 8 ft tall.
- Surface area
- 441 ac
- Normal storage
- 450 ac-ft
- Max storage
- 900 ac-ft
- Hazard class
- Low
- Owner
- Washtenaw County Drain Commissioner
Source: USACE National Inventory of Dams, NID ID MI04005 · Operator website · Matched by proximity (0.99 km)
EPA Impairment Status
Whitmore 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 MI040900050301-02 · Official waterbody report
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: 2022-09-15
Monitoring stations: 1