How Clean Is Town Line Lake?
Town Line Lake has fair water quality — typical of lakes with moderate nutrient enrichment. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 6.6 ft. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 2.1 µg/L. Trophic State Index: 42.
Cleanliness Snapshot
| Metric | Town Line Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 6.6 ft | — |
| Phosphorus | 11 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 2.1 µg/L | <10 = clean |
| Trophic State Index | 42 | <50 = clean |
How does Town Line Lake compare?
Town Line Lake's readings match or beat the Minnesota state average. It ranks #95 of 104 lakes in Cass County on nutrient and algae readings. Multi-year monitoring data shows water quality is declining based on 2 years of records.
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