Silver Lake
Genesee County, Michigan334 acresView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- Impaired · Pathogens (E. coli, fecal)
- Limited data
Silver Lake in Genesee County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 12 ft visibility. Surface area: 333.6 acres.
- Clarity
- 12 ft
- Area
- 334 acres
- Trend
- → Stable
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Watch Silver Lake’s letter
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Why Silver Lake has no grade
Silver Lake has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Silver Lake is Not Rated — not an F. Its 12-foot median from 56 readings collected 2019–2022 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by EGLE and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Silver Lake is a 334-acre lake in Genesee County, Michigan. Water clarity is declining over recent sampling years. The lake supports 15 documented fish species including Bluegill, Bluntnose minnow, and Green sunfish.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-22. Grade methodology: LakeQuality methodology.
What Silver Lake is good for
From access and monitoring records, not editorial picks.
- Clear water12 ft of visibility
- Fishing15 species recorded
Swimming Safety
Not ratedBacteria advisory
The letter is not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.
Water quality measurements for Silver Lake
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 12 ft. TSI 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 334 acres |
No bathymetric survey has been published for Silver Lake, so its depth is not documented here.
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Silver Lake
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.557 m/yr | 3 |
| Phosphorus | ↑ Improving | -4 µg/L/yr | 2 |
EPA Impairment Status
Silver Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040802030108-06 · Official waterbody report · Matched by proximity (0.68 km)
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Silver Lake under Clean Water Act (NPDES) discharge permits. 2 facilities have a reported Clean Water Act violation in the past three years.
- Fenton Twp MS4-GeneseeFenton · 4.1 mi away · NPDES MI0060095Recent violation
- Lake Fenton Ps MS4-GeneseeFenton · 4.2 mi away · NPDES MI0060360Recent violation
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 Genesee County
Frequently asked questions about Silver Lake
Where is Silver Lake?
- Silver Lake is a lake in Genesee County, Michigan. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Silver Lake?
- Silver Lake in Genesee County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 12 ft visibility. Surface area: 333.6 acres.
Is Silver Lake safe to swim in?
- The letter is not a swimming clearance. Silver Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.
What fish are in Silver Lake?
- Fish species found in Silver Lake include Bluegill, Bluntnose minnow, Green sunfish, Hornyhead chub, Iowa darter, Johnny darter, Largemouth bass, Northern longear sunfish, Pumpkinseed, Smallmouth bass, Spotted gar, Western banded killifish, White sucker, Yellow bullhead, Yellow perch. Silver Lake is located in Genesee County, Michigan.
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Where this data comes from
56 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
NALMS56 samples · 2019–2022
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)