
Is Lake Springfield Safe for Swimming?
Lake Springfield in Sangamon County, Illinois is not rated for water quality — its monitoring record does not meet the evidence bar. Not rated for swimming — there is not enough monitoring data to judge this lake. Water clarity: 1.5 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | NR (Not rated) |
| Water Clarity (Secchi Depth) | 1.5 ft |
| Location | Sangamon County, Illinois |
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.
Water clarity (Secchi depth) sits at 1.5 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.
Watch Lake Springfield water quality
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