Rodgers Lake is a productive, nutrient-rich eutrophic lake in Cass County, Michigan. Water quality is graded D based on 1 sampling years through 2023. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 22 other monitored lakes in Cass County, Rodgers Lake ranks #22 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-07-19. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
No clarity data. Phosphorus level: 70 µg/L. Trophic State Index: 65.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 70 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 65 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Rodgers Lake
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Fishing Rodgers Lake
Recreation & Access
Water Temperature
Rodgers Lake averages about 70°F at the surface in summer, usually warmest in Jul (about 71°F) and coldest in Nov (about 45°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 528 field readings (2013–2025) via the EPA Water Quality Portal. See the full Rodgers Lake water temperature breakdown →
Location
County Ranking
Ranked #22 of 23 lakes in Cass County
Cleaner Lakes Within 30 Miles
Rodgers Lake holds Grade D. 2 nearby lakes hold higher grades.
Nearby Lakes in Cass County
Explore Rodgers Lake across LakeGrade
Fish species and top-graded lakes across Michigan
Fish species and best lakes in Cass County
Species activity outlook by water temperature and season
Where to stay at Michigan's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
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More Michigan Lake Rankings
Other Grade D Lakes in Michigan
Berrien County · Clarity: 5 ft
Van Buren County · Clarity: 6.5 ft
Kalamazoo County · Clarity: 4 ft
St. Joseph County · Clarity: 5 ft
St. Joseph County · Clarity: 4.5 ft
St. Joseph County · Clarity: 6.5 ft
Eutrophic Lakes in Michigan
More records, surveys & data sources
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Rodgers Lake under Clean Water Act (NPDES) discharge permits.
- Westgate Oil CompanyNiles · 3.3 mi away · NPDES MIG080854
- Hofmann Ind-Mich Tube DivEau Claire · 4.3 mi away · NPDES MI0004219
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)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2023-07-19
Monitoring stations: 1