What is the water quality grade for Round Lake?

Round Lake in Mecosta County, Wisconsin received a water quality grade of C (Fair). Water clarity: 8.5 ft visibility.

Is Round Lake safe to swim in?

Generally safe for swimming, moderate water quality. Round Lake has an overall water quality grade of C. Always check local health department advisories before swimming.

What fish are in Round Lake?

Fish species found in Round Lake include Black bullhead, Black crappie, Blackchin shiner, Blacknose shiner, Bluegill, Bluntnose minnow, Brassy minnow, Brook silverside, Brook stickleback, Central mudminnow, Common shiner, Fathead minnow, Golden shiner, Grass pickerel, Green sunfish, Iowa darter, Johnny darter, Lake chubsucker, Largemouth bass, Longnose gar, Muskellunge, Northern logperch, Northern longear sunfish, Northern pike, Pumpkinseed, Redear sunfish, Rock bass, Rosyface shiner, Smallmouth bass, Spotfin shiner, Spottail shiner, Spotted gar, Tadpole madtom, Western banded killifish, White sucker, Yellow bullhead, Yellow perch. Round Lake is located in Mecosta County, Wisconsin.

Round Lake

Mecosta County, WisconsinLimited DataMesotrophic

Round Lake is a mesotrophic lake in Mecosta County, MI. Water quality is graded C based on 1 sampling years through 2022. The lake supports 37 documented fish species including Black bullhead, Black crappie, and Blackchin shiner. Compared to the 11 other monitored lakes in Mecosta County, Round Lake ranks #10 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 8.5 ft. Trophic State Index: 46.

Metric	Value	Grade
Water Clarity (Secchi Depth)	8.5 ft	C
Phosphorus	No data
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 Round Lake (14-day solunar calendar)

→ Is it safe to eat fish from Round Lake? (mercury & PFAS guide)

→ Round Lake fishing regulations (limits, seasons, special rules)

Location

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County Ranking

Ranked #10 of 12 lakes in Mecosta County

Cleaner Lakes Within 30 Miles

Round Lake holds Grade C. 4 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Mecosta County

Chippewa Lake Northeast Basin; Chippewa Township

Mecosta County

Horsehead Lake Northwest Basin; Martiny Township

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Blue Lake North Central Basin

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Chippewa Lake

Mecosta County

Mecosta Lake North Basin; Morton Township

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Horsehead Lake

Mecosta County

More Wisconsin Lake Rankings

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Top 25 by overall water quality score

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Grade A/B + low algae filter

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Panfish-rich, public access

All Wisconsin lakes

Full state directory

Other Grade C Lakes in Wisconsin

Shavehead Lake East Basin; Porter Township

Cass County · Clarity: 7 ft

Brooks Lake

Leelanau County · Clarity: 9.5 ft

Van Etten Lake North Central Basin; Oscoda Township

Iosco County · Clarity: 5.5 ft

White Lake

Muskegon County · Clarity: 6.8 ft

Little Lake Twenty

Gladwin County · Clarity: 9 ft

East Twin Lake

Montmorency County · Clarity: 9 ft

Mesotrophic Lakes in Wisconsin

Middle Lake; Elba Township; Section 13 Portage Lake Shavehead Lake East Basin; Porter Township Bear Lake East Basin; Pleasanton Township

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