Wright County Lake Quality
Iowa, 4 lakes, measured by Iowa DNR
Wright County has 4 monitored lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. 1 of those lake carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. Phosphorus and algae readings vary widely across Wright County; the per-lake pages below carry the numbers.
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. Lake Cornelia has the lowest nutrient and algae readings in the county.
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Quick Answers for Wright County
Planning a trip? Check special fishing regulations for Lake Cornelia — or check the official Iowa fishing regulations.
All Lakes in Wright County
4 lakes · 1 ranked on readings, 3 without enough sampling1 lake ranked on readings · 3 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|
| 1 | Lake CorneliaWright | 2.5 ft | 37 µg/L | 20.1 µg/L | No recent samples | ✓ Public |
| Elm LakeWright | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public | |
| Morse LakeWright | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public | |
| Big Wall LakeWright | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public |
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 Iowa Department of Natural Resources. See data sources.