How Clean Is Andrew Lake?
Andrew Lake has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 9 ft. Trophic State Index: 45.
Cleanliness Snapshot
| Metric | Andrew Lake | Minnesota avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 9 ft | — |
| Trophic State Index | 45 | <50 = clean |
How does Andrew Lake compare?
Andrew Lake's grade of C matches or beats the Minnesota state average of C. It ranks #10 of 35 lakes in Kandiyohi County by water quality score. Multi-year monitoring data shows water quality is improving based on 4 years of records.