How Clean Is Thomas Hill Res. Nr. Dam Lake?
Thomas Hill Res. Nr. Dam Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 2.3 ft. Phosphorus: 61 µg/L. Chlorophyll-a (algae): 14.2 µg/L. Trophic State Index: 62.
Cleanliness Snapshot
| Metric | Thomas Hill Res. Nr. Dam Lake | Missouri avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 2.3 ft | — |
| Phosphorus | 61 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 14.2 µg/L | <10 = clean |
| Trophic State Index | 62 | <50 = clean |
How does Thomas Hill Res. Nr. Dam Lake compare?
Thomas Hill Res. Nr. Dam Lake's grade of D falls below the Missouri state average of C. It ranks #6 of 7 lakes in Randolph County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.