How Clean Is Brushy Creek Lake?
Brushy Creek Lake is algae-prone, with a higher bloom risk in warm months. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 2.8 ft. Phosphorus: 54.5 µg/L. Chlorophyll-a (algae): 44.5 µg/L. Trophic State Index: 64.
Cleanliness Snapshot
| Metric | Brushy Creek Lake | Iowa avg |
|---|---|---|
| Water Clarity (Secchi) | 2.8 ft | — |
| Phosphorus | 54.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 44.5 µg/L | <10 = clean |
| Trophic State Index | 64 | <50 = clean |
How does Brushy Creek Lake compare?
Brushy Creek Lake's readings run above the Iowa state average. It ranks #2 of 2 lakes in Webster County on nutrient and algae readings. Multi-year monitoring data shows water quality is declining based on 5 years of records.
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