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LakeQuality

Smithville Lake by Dam is nutrient-rich, with elevated phosphorus and algae. Its nutrient and algae readings come from 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

MetricSmithville Lake by DamMissouri avg
Water Clarity (Secchi)3.3 ft—
Phosphorus37.7 µg/L<30 = clean
Chlorophyll-a (Algae)25.4 µg/L<10 = clean
Trophic State Index60<50 = clean

How does Smithville Lake by Dam compare?

Smithville Lake by Dam's readings run above the Missouri state average. It ranks #4 of 5 lakes in Clay County on nutrient and algae readings. Multi-year monitoring data shows water quality is improving based on 5 years of records.

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