B

Sand Lake

Lenawee County, WisconsinLimited DataOligotrophic

Sand Lake is a cold, clear oligotrophic lake in Lenawee County, MI. Water quality is graded B based on 1 sampling years through 2022. The lake supports 8 documented fish species including Blacknose shiner, Bluegill, and Bluntnose minnow. Compared to the 7 other monitored lakes in Lenawee County, Sand Lake ranks #4 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-10-04. 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 13.3 ft. Trophic State Index: 40.

Metric	Value	Grade
Water Clarity (Secchi Depth)	13.3 ft	B
Phosphorus	No data
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	40	Oligotrophic

Low nutrients, clear water, excellent for swimming

Fish Species

Blacknose shiner Bluegill Bluntnose minnow Green sunfish Iowa darter Largemouth bass White sucker Yellow perch

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

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

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

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

Location

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County Ranking

Ranked #4 of 8 lakes in Lenawee County

Cleaner Lakes Within 30 Miles

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

See full comparison →

Nearby Lakes in Lenawee County

Sand Lake Central Basin; Cambridge Township

Devils Lake Central Basin North

Round Lake Central Basin

Posey Lake Central Basin; Hudson Township

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

Livingston County · Clarity: 13 ft

Bear Lake East Basin; Pleasanton Township

Manistee County · Clarity: 11 ft

Lake County · Clarity: 14 ft

Cass County · Clarity: 10.5 ft

Byram Lake West Central Basin; Fenton Township

Genesee County · Clarity: 10 ft

Oligotrophic Lakes in Wisconsin

Lake Ann Southeast Basin; Almira Township Section 26 Windover Lake South Basin; Freeman Township Squaw Lake Moon Lake Central Basin; Watersmeet Township

EPA Impairment Status

Sand Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MI041000020106-02 · 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: 2022-10-04

Monitoring stations: 1