Petrow Lake
Iron County, Michigan33 acresView mapDirections
No nutrient or algae sampling on record from EGLE for this lake.
- 9 ft max depth
Petrow Lake in Iron County, Michigan has water-quality measurements published by EGLE, shown here as reported. Maximum depth: 9 ft. Surface area: 33 acres.
Petrow Lake is a 33-acre lake in Iron County, Michigan with a maximum depth of 9 feet.
Source: EPA Water Quality Portal sampling records, EGLE. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Petrow Lake is safe to swim in today is a call for the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Petrow Lake
These are the measurements EGLE publishes for Petrow Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Petrow Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
9 ft
Surface area
33 acres
Shoreline
0.9 mi
Stays via Stay22
Stays near Petrow Lake
Compare lakeside cabins, hotels, and vacation rentals near Petrow Lake in Iron County, Michigan — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Petrow Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Michigan’s top lakes →
Follow Petrow Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Petrow Lake
Nearby Lakes in Iron County
Frequently asked questions about Petrow Lake
Where is Petrow Lake?
- Petrow Lake is a lake in Iron County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Petrow Lake?
- Petrow Lake in Iron County, Michigan has water-quality measurements published by EGLE, shown here as reported. Maximum depth: 9 ft. Surface area: 33 acres.
Is Petrow Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Petrow Lake?
- Petrow Lake has a maximum depth of 9 feet. The lake covers 33 acres.
Explore Petrow Lake across LakeQuality
Fish species and the cleanest lakes across Michigan
Fish species and best lakes in Iron County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Upper Peninsula area
Where to stay at Michigan's top lakes, each with its readings
Michigan's cleanest lakes, ranked on agency measurements
More lakes in Michigan
Other Lakes in Michigan
Where this data comes from
Measurements for Petrow Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.