Fishers Lake North Central Basin; Park Township is a mesotrophic lake in St. Joseph County, Michigan. Water quality is graded A based on 2 sampling years through 2023. Water clarity is improving over recent sampling years. The lake supports 8 documented fish species including Blacknose shiner, Bluegill, and Bluntnose minnow. Compared to the 12 other monitored lakes in St. Joseph County, Fishers Lake North Central Basin; Park Township ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-25. Grade methodology: LakeGrade methodology.
Watch Fishers Lake North Central Basin; Park Township water quality
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 10.5 ft. Chlorophyll-a: 3.2 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10.5 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 3.2 µg/L | A |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Fishers Lake North Central Basin; Park Township
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Fishers Lake North Central Basin; Park Township
- → Fishers Lake North Central Basin; Park Township fishing forecast & best times (species outlook + 14-day solunar calendar)
- → Fishers Lake North Central Basin; Park Township fishing regulations (limits, seasons, special rules)
- → Is it safe to eat fish from Fishers Lake North Central Basin; Park Township? (mercury & PFAS guide)
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.255 m/yr | 3 |
| Chlorophyll-a | ↓ Declining | +0.35 µg/L/yr | 3 |
Water Temperature
Fishers Lake North Central Basin; Park Township averages about 72°F at the surface in summer, usually warmest in Jul (about 74°F) and coldest in Apr (about 52°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 885 field readings (2010–2023) via the EPA Water Quality Portal. See the full Fishers Lake North Central Basin; Park Township water temperature breakdown →
Location
County Ranking
Ranked #4 of 13 lakes in St. Joseph County
Nearby Lakes in St. Joseph County
Explore Fishers Lake North Central Basin; Park Township across LakeGrade
Fish species and top-graded lakes across Michigan
Fish species and best lakes in St. Joseph County
Species activity outlook by water temperature and season
Where to stay at Michigan's top lakes, each with its grade
Moderate nutrients, good water quality
Michigan's cleanest and most-polluted lakes, ranked
More Michigan Lake Rankings
Other Grade A Lakes in Michigan
Van Buren County · Clarity: 13 ft
Cass County · Clarity: 13 ft
Van Buren County · Clarity: 17 ft
Van Buren County · Clarity: 15 ft
Barry County · Clarity: 12.5 ft
Cass County · Clarity: 16 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Fishers Lake North Central Basin; Park Township under Clean Water Act (NPDES) discharge permits.
- Riedstra Dairy-CafoMendon · 1.8 mi away · NPDES MI0058116
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.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-09-25
Monitoring stations: 1