How Clean Is Lake Decatur?
Lake Decatur 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. Trophic State Index: undefined.
Cleanliness Snapshot
| Metric | Lake Decatur | Illinois avg |
|---|---|---|
| Trophic State Index | <50 = clean |
How does Lake Decatur compare?
Lake Decatur has too little recent summer sampling to compare, so it is not compared with the Illinois state average.
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Where to stay near Lake Decatur
Compare cabins, hotels, and vacation rentals near Lake Decatur in Macon County, Illinois. Live availability and prices for your nights. Switch the map to Satellite to see how close each stay is to the water.
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