Fishers Lake
St. Joseph County, Michigan330 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.
- 42 ft max depth
- Public access
- Limited data
Fishers Lake in St. Joseph County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 10.5 ft visibility. Maximum depth: 42 ft. Surface area: 330.1 acres.
- Clarity
- 10.5 ft
- Max depth
- 42 ft
- Area
- 330 acres
- Trend
- ↓ Declining
- Public access
- Yes
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Watch Fishers Lake’s letter
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Free interactive depth-contour map of Fishers Lake, reaching a maximum surveyed depth of 42 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Why Fishers Lake has no grade
Fishers 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, Fishers Lake is Not Rated — not an F. Its 10.5-foot median from 59 readings collected 2016–2022 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.
Fishers Lake is a 330-acre lake in St. Joseph County, Michigan with a maximum depth of 42 feet. Overall water quality is declining over recent sampling years. The lake supports 8 documented fish species including Blacknose shiner, Bluegill, and Bluntnose minnow. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-23. Grade methodology: LakeQuality methodology.
What Fishers Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.5 ft of visibility
- Boat launch1 documented ramp
- Fishing8 species recorded
- Deep water42 ft surveyed max depth
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Fishers Lake
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 10.5 ft. TSI 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10.5 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 42 ft |
| Surface Area | 330 acres |
| Public Access | Yes |
Recreation & Access
- Fishers LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Fishers Lake
Water Quality Trend: ↓ Declining
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.13 m/yr | 7 |
| Phosphorus | ↓ Declining | +0.35 µg/L/yr | 7 |
| Chlorophyll-a | ↓ Declining | +0.31 µg/L/yr | 7 |
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Fishers Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Dock Foundry-4TH StThree Rivers · 3.9 mi away · NPDES MIG250347Recent violation
- Day International GroundwaterThree Rivers · 4.6 mi away · NPDES MI0043907
- Fonda GroupThree Rivers · 4.7 mi away · NPDES MIG250147
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.
Graded lakes near Fishers Lake
Fishers Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in St. Joseph County
Frequently asked questions about Fishers Lake
Where is Fishers Lake?
- Fishers Lake is a lake in St. Joseph 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 Fishers Lake?
- Fishers Lake in St. Joseph County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 10.5 ft visibility. Maximum depth: 42 ft. Surface area: 330.1 acres.
Is Fishers Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Fishers Lake?
- Fishers Lake has a maximum depth of 42 feet. The lake covers 330.1 acres.
What fish are in Fishers Lake?
- Fish species found in Fishers Lake include Blacknose shiner, Bluegill, Bluntnose minnow, Johnny darter, Mimic shiner, Sand shiner, Western banded killifish, Yellow perch. Fishers Lake is located in St. Joseph County, Michigan.
Are there boat ramps on Fishers Lake?
- Fishers Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Fishers Lake. Public access is listed as yes.
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Where this data comes from
59 measurements from 1 monitoring station, 2016–2022. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- North American Lake Management Society
NALMS59 samples · 2016–2022
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Named boat-access points from the USGS National Boat Ramps inventory