Harrison County Lake Quality
Missouri, 3 lakes, measured by Missouri DNR
Harrison County holds 3 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. 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 Harrison County; the per-lake pages below carry the numbers.
The county's lakes lean shallow, which makes the readings sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest measured lake is Harrison County Lake Intake.
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Quick Answers for Harrison County
Planning a trip? Check special fishing regulations for Harrison County Lake Intake — or check the official Missouri fishing regulations.
All Lakes in Harrison County
3 lakes · 1 ranked on readings, 2 without enough sampling1 lake ranked on readings · 2 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|
| 1 | Harrison County Lake IntakeHarrison | 1.7 ft | 66.7 µg/L | 27.6 µg/L | No recent samples | Not recorded |
| North Bethany City ReservoirHarrison | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public | |
| Rock House LakeHarrison | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded |
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 Missouri Department of Natural Resources. See data sources.