How Clean Is Lake Springfield?
Lake Springfield does not have enough monitoring data to grade. It does not have enough recent summer sampling for a letter grade, so it is shown unrated. Unrated means the measurements are missing, not that the water is poor. Everything the monitoring record does contain is below. Water clarity (Secchi depth): 1.5 ft. Trophic State Index: 71.
Cleanliness Snapshot
| Metric | Lake Springfield | Illinois avg |
|---|---|---|
| Overall Grade | NR | D |
| Water Clarity (Secchi) | 1.5 ft | — |
| Trophic State Index | 71 | <50 = clean |
How does Lake Springfield compare?
Lake Springfield is not rated for water quality: it does not have enough recent summer sampling for a letter grade, so it is not compared with the Illinois state average. Multi-year monitoring data shows water quality is declining based on 5 years of records.
Watch Lake Springfield water quality
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