Lou Yaeger Lake vs Otter Lake
Water quality, depth, fish species, and recreation comparison.
Otter Lake reads lower on nutrients and algae than Lou Yaeger Lake. Both are in Illinois.
Lou Yaeger Lake and Otter Lake are both in Illinois — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The readings are close: Lou Yaeger Lake and Otter Lake sit within a narrow band of each other on phosphorus, chlorophyll-a and clarity. The per-parameter table below shows where the small differences actually live.
With readings this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.
Lou Yaeger Lake
Very murky, less than 1.8 ft of visibility.
Otter Lake
Very murky, less than 1.8 ft of visibility.
Side-by-Side Metrics
| Metric | Lou Yaeger Lake | Otter Lake |
|---|---|---|
| Water Clarity | 1.8 ft | 1.8 ft |
| Phosphorus | 255 µg/L | 81 µg/L Better |
| Chlorophyll-a (Algae) | 72.6 µg/L | 33.1 µg/L Better |
| Maximum Depth | - | - |
| Surface Area | 1,410 acres | 760 acres |
| Public Access | Yes | Yes |
| Fish Species | 0 | 0 |
| Trophic State | hypereutrophic | hypereutrophic |
A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.
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Verdict
Lou Yaeger Lake and Otter Lake read the same on nutrients and algae overall. The tiebreakers come down to clarity (Lou Yaeger Lake: 1.8 ft, Otter Lake: 1.8 ft) and what you want from the lake. Lou Yaeger Lake matches its peer on species count.
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Where to stay near Lou Yaeger Lake and Otter Lake
Compare cabins, hotels, and vacation rentals around Lou Yaeger Lake and Otter Lake. Both lakes are pinned on the map, so you can see which stays sit nearer the one you pick. Switch to Satellite to see how close each is to the water.
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Source: EPA National Aquatic Resource Surveys, 2026.