Lake Shelbyville
Lake Shelbyville in Shelby County, Illinois is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 10235 acres.
- Area
- 10,235 acres
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Why Lake Shelbyville has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Lake Shelbyville, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by Illinois EPA and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Shelbyville is a 10,235-acre lake in Shelby County, Illinois.
Source: EPA Water Quality Portal sampling records, Illinois EPA, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Lake Shelbyville water quality
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Shelbyville
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lake Shelbyville
Compare lakeside cabins, hotels, and vacation rentals near Lake Shelbyville in Shelby County, Illinois — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Lake Shelbyville
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Planning a whole trip? See where to stay at Illinois’s top lakes →
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 10,235 acres |
No bathymetric survey has been published for Lake Shelbyville, so its depth is not documented here.
Recreation & Access
- Lake ShelbyvillePublic
- Lake ShelbyvillePublic
- marinaSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Shelbyville
Nearby Lakes in Shelby County
Frequently asked questions about Lake Shelbyville
Where is Lake Shelbyville?
- Lake Shelbyville is a lake in Shelby County, Illinois. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Lake Shelbyville?
- Lake Shelbyville in Shelby County, Illinois is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 10235 acres.
Is Lake Shelbyville safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Shelbyville is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Lake Shelbyville?
- Lake Shelbyville has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake Shelbyville, Lake Shelbyville, marina.
Explore Lake Shelbyville across LakeQuality
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Where this data comes from
Measurements for Lake Shelbyville come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory