Lake Richie
Keweenaw County, WisconsinMesotrophic
Lake Richie is a mesotrophic lake in Keweenaw County, MI. Water quality is graded B based on 2 sampling years through 2024. The lake supports 11 documented fish species including Blacknose shiner, Golden shiner, and Lake herring. Compared to the 18 other monitored lakes in Keweenaw County, Lake Richie ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-08-27. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 8.3 ft. Phosphorus level: 17.8 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.3 ft | C |
| Phosphorus | 17.8 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Fish Species
Click a species to see all Wisconsin and Minnesota lakes where it is found.
→ Best fishing times for Lake Richie (14-day solunar calendar)
→ Is it safe to eat fish from Lake Richie? (mercury & PFAS guide)
→ Lake Richie fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #10 of 19 lakes in Keweenaw County
Cleaner Lakes Within 30 Miles
Lake Richie holds Grade B. 3 nearby lakes hold higher grades.
- ASargent LakeKeweenaw County · 3.9 mi · Higher grade (B → A)
- ALake HarveyKeweenaw County · 4.5 mi · Higher grade (B → A)
- ASiskiwit LakeKeweenaw County · 5.1 mi · Higher grade (B → A)
Nearby Lakes in Keweenaw County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Lapeer County · Clarity: 9.5 ft
Livingston County · Clarity: 13 ft
Manistee County · Clarity: 11 ft
Lake County · Clarity: 14 ft
Cass County · Clarity: 10.5 ft
Genesee County · Clarity: 10 ft
Mesotrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-08-27
Monitoring stations: 1