How Clean Is Lower Prior Lake?
Lower Prior Lake has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of — (Measured) based on EPA monitoring data. Water clarity (Secchi depth): 10 ft. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 4.8 µg/L. Trophic State Index: 47.
Cleanliness Snapshot
| Metric | Lower Prior Lake | Minnesota avg |
|---|---|---|
| Overall Grade | — | — |
| Water Clarity (Secchi) | 10 ft | — |
| Phosphorus | 27 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 4.8 µg/L | <10 = clean |
| Trophic State Index | 47 | <50 = clean |
How does Lower Prior Lake compare?
Lower Prior Lake's grade of — matches or beats the Minnesota state average of C. It ranks #4 of 21 lakes in Scott County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.
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