Brown Lake
Jackson County, WisconsinLimited DataMesotrophic
Brown Lake is a mesotrophic lake in Jackson County, MI. Water quality is graded C based on 1 sampling years through 2022. The lake supports 6 documented fish species including Common shiner, Creek chub, and Hornyhead chub. Compared to the 8 other monitored lakes in Jackson County, Brown Lake ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-09-15. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 8 ft. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 47 | 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 Brown Lake (14-day solunar calendar)
→ Is it safe to eat fish from Brown Lake? (mercury & PFAS guide)
→ Brown Lake fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #7 of 9 lakes in Jackson County
Cleaner Lakes Within 30 Miles
Brown Lake holds Grade C. 2 nearby lakes hold higher grades.
- AFarewell Lake West Basin; Hanover TownshipJackson County · 8.3 mi · Two grade letters higher (C → A)
- BCrystal LakeHillsdale County · 8.6 mi · Higher grade (C → B)
Nearby Lakes in Jackson County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Cass County · Clarity: 7 ft
Leelanau County · Clarity: 9.5 ft
Iosco County · Clarity: 5.5 ft
Muskegon County · Clarity: 6.8 ft
Gladwin County · Clarity: 9 ft
Montmorency County · Clarity: 9 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: 2022-09-15
Monitoring stations: 1