Clark County Lake Quality
Illinois, 3 lakes, measured by Illinois EPA
Clark County holds 3 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. The 3 monitored lakes in Clark County carry whatever clarity, phosphorus, and chlorophyll-a readings Illinois EPA has published, shown as reported.
Most of the county's monitored lakes are shallow, under 50 feet, which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed.
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Quick Answers for Clark County
Planning a trip? Check special fishing regulations for Mill Creek Watershed Impoundment Reservoir — or check the official Illinois fishing regulations.
All Lakes in Clark County
3 lakes · 0 ranked on readings, 3 without enough sampling0 lakes ranked on readings · 3 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Max Depth | Access |
|---|---|---|---|---|---|---|---|
| Mill Creek Watershed Impoundment ReservoirClark | No recent samples | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| Mill Creek Watershed Impoundment ReservoirClark | No recent samples | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| Lincoln Trail State Park LakeClark | No recent samples | No recent samples | No recent samples | No recent samples | 41 ft | Not recorded |
NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.
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Source: the Illinois Environmental Protection Agency. See data sources.