What is the water quality grade for Lake Leelanau?

Lake Leelanau in Leelanau County, Wisconsin received a water quality grade of B (Good). Water clarity: 12.5 ft visibility.

Is Lake Leelanau safe to swim in?

Good for swimming, clear water with low algae levels. Lake Leelanau has an overall water quality grade of B. Always check local health department advisories before swimming.

What fish are in Lake Leelanau?

Fish species found in Lake Leelanau include Lake herring. Lake Leelanau is located in Leelanau County, Wisconsin.

Lake Leelanau

Leelanau County, WisconsinLimited DataMesotrophic

Lake Leelanau is a mesotrophic lake in Leelanau County, MI. Water quality is graded B based on 1 sampling years through 2021. The lake supports 1 documented fish species including Lake herring. Compared to the 20 other monitored lakes in Leelanau County, Lake Leelanau ranks #15 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2021-09-19. Grade methodology: LakeGrade methodology.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Good clarity, visible to about 12.5 ft. Trophic State Index: 41.

Metric	Value	Grade
Water Clarity (Secchi Depth)	12.5 ft	B
Phosphorus	No data
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	41	Mesotrophic

Moderate nutrients, good water quality

Fish Species

Lake herring

Click a species to see all Wisconsin and Minnesota lakes where it is found.

→ Best fishing times for Lake Leelanau (14-day solunar calendar)

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

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

Location

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County Ranking

Ranked #15 of 21 lakes in Leelanau County

Cleaner Lakes Within 30 Miles

Lake Leelanau holds Grade B. 3 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Leelanau County

Glen Lake

Leelanau County

Glen Lake North Cent Basin; Glen Arbor Township Section 35

Leelanau County

West Arm Grand Traverse Bay 2 Mi From South Shore Lake

Leelanau County

Lake Leelanau; North Basin

More Wisconsin Lake Rankings

Cleanest lakes in Wisconsin

Top 25 by overall water quality score

Best swimming lakes in Wisconsin

Grade A/B + low algae filter

Family fishing lakes in Wisconsin

Panfish-rich, public access

All Wisconsin lakes

Full state directory

Other Grade B Lakes in Wisconsin

Middle Lake; Elba Township; Section 13

Lapeer County · Clarity: 9.5 ft

Portage Lake

Livingston County · Clarity: 13 ft

Bear Lake East Basin; Pleasanton Township

Manistee County · Clarity: 11 ft

Bass Lake

Lake County · Clarity: 14 ft

Long Lake

Cass County · Clarity: 10.5 ft

Byram Lake West Central Basin; Fenton Township

Genesee County · Clarity: 10 ft

Mesotrophic Lakes in Wisconsin

Middle Lake; Elba Township; Section 13 Portage Lake Shavehead Lake East Basin; Porter Township Chippewa Lake Northeast Basin; Chippewa Township

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2021-09-19

Monitoring stations: 1