Delta County Lake Quality

Michigan, 1 lake — no lake here has enough monitoring data for a grade

Delta County has 1 graded lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters.

The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Round Lake (—); the most-stressed is Round Lake (—).

Loading map…

Where to stay near Delta County

Top-rated places to stay near Delta County

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 trip to Delta County?

Get lake water-quality report cards plus the best cabin & lodging deals near Delta County — straight to your inbox. No spam, unsubscribe anytime.

Quick Answers for Delta County

Cleanest lakes in Delta County →Cleanest lakes in Michigan →Safest swimming lakes in Michigan →

Planning a trip? Check special fishing regulations for Round Lake — or check the official Michigan fishing regulations.

All Lakes in Delta County

19 lakes · 0 graded, 19 not rated0 graded lakes · 19 not rated, hidden

Include not-rated lakes (19)

Lake	Grade	Clarity	Phosphorus	Algae	Trophic	Max Depth	Access
NRRound LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	55 ft	Not recorded
NRSkeels LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
NRPole Creek LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	10 ft	Not recorded
NRJackpine LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
NRDana LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	25 ft	Not recorded
NRLower Eighteenmile LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	30 ft	Not recorded
NRStevens LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	24 ft	Not recorded
NREva LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	21 ft	Not recorded
NRLyman LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	30 ft	Not recorded
NRGooseneck LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	35 ft	Not recorded
NRVan Winkle LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	18 ft	Not recorded
NRCamp Seven LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	35 ft	Not recorded
NRChicago LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	15 ft	Not recorded
NRMahskeekee LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	34 ft	Not recorded
NRMoss LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	18 ft	Not recorded
NRIndustrial Waste PondsDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
NRLake SixteenDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	23 ft	Not recorded
NRSandstrom LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	17 ft	Not recorded
NRSouth LakeDelta	NR	No recent samples	No recent samples	No recent samples	No recent samples	22 ft	Not recorded

NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.

Lake Match