Lake Lou Yaeger
Lake Lou Yaeger in Montgomery County, Illinois is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1369 acres.
- Area
- 1,369 acres
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Why Lake Lou Yaeger 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 Lou Yaeger, 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 Lou Yaeger is a 1,369-acre lake in Montgomery County, Illinois.
Source: EPA Water Quality Portal sampling records, Illinois EPA, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Lake Lou Yaeger 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 Lou Yaeger
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 Lou Yaeger
Compare lakeside cabins, hotels, and vacation rentals near Lake Lou Yaeger in Montgomery 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 Lou Yaeger
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1,369 acres |
No bathymetric survey has been published for Lake Lou Yaeger, so its depth is not documented here.
Fishing Lake Lou Yaeger
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Frequently asked questions about Lake Lou Yaeger
Where is Lake Lou Yaeger?
- Lake Lou Yaeger is a lake in Montgomery 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 Lou Yaeger?
- Lake Lou Yaeger in Montgomery County, Illinois is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1369 acres.
Is Lake Lou Yaeger safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Lou Yaeger is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Lake Lou Yaeger across LakeQuality
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Where this data comes from
Measurements for Lake Lou Yaeger come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.