Indian Rock Lake
Daviess County, Indiana28 acresView mapDirections
Not enough samples to grade — no water-quality sampling on record for this lake. No letter yet. Here is what we do have.
Indian Rock Lake in Daviess County, Indiana is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 28 acres.
- Area
- 28 acres
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Stays near Indian Rock Lake
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Watch Indian Rock Lake’s letter
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Why Indian Rock Lake 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 Indian Rock Lake, 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 IDEM and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Indian Rock Lake is a 28-acre lake in Daviess County, Indiana.
Source: EPA Water Quality Portal sampling records, IDEM, last sampled recent years. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedElevated nutrients
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Indian Rock Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. TSI 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) |
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 28 acres |
No bathymetric survey has been published for Indian Rock Lake, so its depth is not documented here.
Fishing Indian Rock Lake
Nearby Lakes in Daviess County
Frequently asked questions about Indian Rock Lake
Where is Indian Rock Lake?
- Indian Rock Lake is a lake in Daviess County, Indiana. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Indian Rock Lake?
- Indian Rock Lake in Daviess County, Indiana is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 28 acres.
Is Indian Rock Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Indian Rock Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.