Clark Lake
Livingston County, Michigan23 acresView mapDirections
EGLE publishes the water-quality measurements for Clark Lake. Here is what has been measured.
- 40 ft max depth
- Limited data
Clark Lake in Livingston County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 12 ft visibility. Maximum depth: 40 ft. Surface area: 23.2 acres.
Clark Lake is a 23-acre lake in Livingston County, Michigan with a maximum depth of 40 feet. Overall water quality is declining over recent sampling years. The lake supports 20 documented fish species including Black bullhead, Blackchin shiner, and Blacknose shiner.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-08. Methodology: how these readings are compared.
What Clark Lake is good for
From access and monitoring records, not editorial picks.
- Clear water12 ft of visibility
- Fishing20 species recorded
- Deep water40 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Clark 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 Clark Lake
These are the measurements EGLE publishes for Clark 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 12 ft. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 12ft | 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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Clark Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
40 ft
Surface area
23 acres
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Stays near Clark Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Clark Lake
Water Quality Trend: Worsening
Based on 4 years of monitoring (2019–2022).
Water clarity
Stable4 years
Phosphorus
Worsening+0.43 µg/L/yr3 years
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Clark Lake under Clean Water Act (NPDES) discharge permits.
- Transtar Autobody TechnologiesBrighton · 1.1 mi away · NPDES MI0056988
- Plastech Eng Prod-HartlandHartland · 3.7 mi away · NPDES MIG250477
- Hartland Twp WwtpHartland · 4.9 mi away · NPDES MI0055841
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Livingston County
Frequently asked questions about Clark Lake
Where is Clark Lake?
- Clark Lake is a lake in Livingston County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Clark Lake?
- Clark Lake in Livingston County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 12 ft visibility. Maximum depth: 40 ft. Surface area: 23.2 acres.
Is Clark Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Clark Lake?
- Clark Lake has a maximum depth of 40 feet. The lake covers 23.2 acres.
What fish are in Clark Lake?
- Fish species found in Clark Lake include Black bullhead, Blackchin shiner, Blacknose shiner, Bluegill, Bluntnose minnow, Brook silverside, Emerald shiner, Green sunfish, Lake herring, Largemouth bass, Longnose gar, Northern longear sunfish, Rock bass, Smallmouth bass, Spotfin shiner, Spottail shiner, Tadpole madtom, Western banded killifish, Yellow bullhead, Yellow perch. Clark Lake is located in Livingston County, Michigan.
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Where this data comes from
42 measurements from 1 monitoring station, 2019–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS42 samples · 2019–2022
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)