Burt Lake
Cheboygan County, WisconsinLimited DataOligotrophic
Burt Lake is a cold, clear oligotrophic lake in Cheboygan County, MI. Water quality is graded A based on 1 sampling years through 2022. The lake supports 33 documented fish species including Blackchin shiner, Bluegill, and Bluntnose minnow. Compared to the 6 other monitored lakes in Cheboygan County, Burt Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-08-29. Grade methodology: LakeGrade methodology.
Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 15.5 ft down. Trophic State Index: 38.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 15.5 ft | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 38 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Fish Species
Click a species to see all Wisconsin and Minnesota lakes where it is found.
→ Best fishing times for Burt Lake (14-day solunar calendar)
→ Is it safe to eat fish from Burt Lake? (mercury & PFAS guide)
→ Burt Lake fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #1 of 7 lakes in Cheboygan County
Nearby Lakes in Cheboygan County
More Wisconsin Lake Rankings
Other Grade A Lakes in Wisconsin
Mecosta County · Clarity: 12.8 ft
Benzie County · Clarity: 13.5 ft
Clare County · Clarity: 15 ft
Kalkaska County · Clarity: 16 ft
Gogebic County · Clarity: 18 ft
Iron County · Clarity: 16 ft
Oligotrophic Lakes in Wisconsin
EPA Impairment Status
Burt Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040700040209-06 · Official waterbody report
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-08-29
Monitoring stations: 1