How Clean Is Pleasant Creek Lake?
Pleasant Creek Lake is nutrient-rich, with elevated phosphorus and algae. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 3.6 ft. Phosphorus: 38 µg/L. Chlorophyll-a (algae): 26.5 µg/L. Trophic State Index: 59.
Cleanliness Snapshot
| Metric | Pleasant Creek Lake | Iowa avg |
|---|---|---|
| Water Clarity (Secchi) | 3.6 ft | — |
| Phosphorus | 38 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 26.5 µg/L | <10 = clean |
| Trophic State Index | 59 | <50 = clean |
How does Pleasant Creek Lake compare?
Pleasant Creek Lake's readings match or beat the Iowa state average. It ranks #1 of 2 lakes in Linn County on nutrient and algae readings. Multi-year monitoring data shows water quality is stable based on 5 years of records.
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