Town Line Lake (Aka
Otsego County, MichiganView mapDirections
EGLE publishes the water-quality measurements for Town Line Lake (Aka. Here is what has been measured.
- Oligotrophic
- Limited data
Ask about Town Line Lake (Aka
Answers come straight from the public measurements and survey records on this page.
Town Line Lake (Aka in Otsego County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 18 ft visibility. Phosphorus: 10 µg/L.
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Town Line Lake (Aka is a cold, clear oligotrophic lake in Otsego County, Michigan. Compared to the 5 other monitored lakes in Otsego County, Town Line Lake (Aka ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2021-09-12. Grade methodology: LakeQuality methodology.
What Town Line Lake (Aka is good for
From access and monitoring records, not editorial picks.
- Clear water18 ft of visibility
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Town Line Lake (Aka is safe to swim in today is a call for the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Town Line Lake (Aka
These are the measurements EGLE publishes for Town Line Lake (Aka, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 18 ft down. Phosphorus 10 µg/L. TSI 36.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 18 ft | Measured, not scored |
| Phosphorus | 10 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 36 | Oligotrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Fishing Town Line Lake (Aka
Water Quality Trend: → Stable
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.073 m/yr | 4 |
| Phosphorus | → Stable | 0 µg/L/yr | 3 |
Nearby Lakes in Otsego County
Frequently asked questions about Town Line Lake (Aka
Where is Town Line Lake (Aka?
- Town Line Lake (Aka is a lake in Otsego County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Town Line Lake (Aka?
- Town Line Lake (Aka in Otsego County, Michigan has water-quality measurements published by EGLE, shown here as reported. Water clarity: 18 ft visibility. Phosphorus: 10 µg/L.
Is Town Line Lake (Aka safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Town Line Lake (Aka across LakeQuality
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Where this data comes from
60 measurements from 1 monitoring station, 2017–2021. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS60 samples · 2017–2021
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.