How Clean Is O'Brien Lake?
O'Brien Lake does not have enough monitoring data to describe. It does not have enough recent summer sampling for a nutrient or algae figure. That means the measurements are missing, not that the water is poor. Everything the monitoring record does contain is below. Water clarity (Secchi depth): 13.1 ft. Trophic State Index: 40.
Cleanliness Snapshot
| Metric | O'Brien Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 13.1 ft | — |
| Trophic State Index | 40 | <50 = clean |
How does O'Brien Lake compare?
O'Brien Lake has too little recent summer sampling to compare, so it is not compared with the Minnesota state average.
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