Long Lake Southeast Basin; Lyndon Township
Washtenaw County, WisconsinLimited DataMesotrophic
Long Lake Southeast Basin; Lyndon Township is a mesotrophic lake in Washtenaw County, MI. Water quality is graded C based on 1 sampling years through 2023. Compared to the 16 other monitored lakes in Washtenaw County, Long Lake Southeast Basin; Lyndon Township ranks #13 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-08-30. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 9 ft. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Location
County Ranking
Ranked #13 of 17 lakes in Washtenaw County
Cleaner Lakes Within 30 Miles
Long Lake Southeast Basin; Lyndon Township holds Grade C. 4 nearby lakes hold higher grades.
- ANorth Lake North Central Basin; Dexter TownshipWashtenaw County · 4 mi · Two grade letters higher (C → A)
- AClear Lake East Basin; Waterloo TownshipJackson County · 4.4 mi · Two grade letters higher (C → A)
- ASilver LakeWashtenaw County · 7 mi · Two grade letters higher (C → A)
- BSugarloaf Lake; Lyndon TwpWashtenaw County · 2.8 mi · Higher grade (C → B)
Nearby Lakes in Washtenaw County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Cass County · Clarity: 7 ft
Leelanau County · Clarity: 9.5 ft
Iosco County · Clarity: 5.5 ft
Muskegon County · Clarity: 6.8 ft
Gladwin County · Clarity: 9 ft
Montmorency County · Clarity: 9 ft
Mesotrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-08-30
Monitoring stations: 1