How Clean Is Smithville Lake by Dam?
Smithville Lake by Dam is nutrient-rich, with elevated phosphorus and algae. It received a water quality grade of D (Nutrient-rich) based on EPA monitoring data. Water clarity (Secchi depth): 3.3 ft. Phosphorus: 37.7 µg/L. Chlorophyll-a (algae): 25.4 µg/L. Trophic State Index: 60.
Cleanliness Snapshot
| Metric | Smithville Lake by Dam | Missouri avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 3.3 ft | — |
| Phosphorus | 37.7 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 25.4 µg/L | <10 = clean |
| Trophic State Index | 60 | <50 = clean |
How does Smithville Lake by Dam compare?
Smithville Lake by Dam's grade of D falls below the Missouri state average of C. It ranks #4 of 5 lakes in Clay County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.
Watch Smithville Lake by Dam water quality
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