Camden County Lake Quality
Missouri, 5 lakes, average grade D (Nutrient-rich)
Camden County holds 5 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 an A–F grade. The county-level summary describes that subset, not every water body listed. On average, Camden County lakes grade D, with phosphorus loading and reduced clarity showing up across most of the dataset.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is W Arm Loto Lake (D); the most-stressed is W Arm Loto Lake (D).
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Quick Answers for Camden County
Planning a trip? Check special fishing regulations for W Arm Loto Lake — or check the official Missouri fishing regulations.
All Lakes in Camden County
5 lakes · 1 graded, 4 not rated1 graded lake · 4 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | DW Arm Loto LakeCamden | D | 2.7 ft | 67 µg/L | 23 µg/L | No recent samples | ✓ Public |
| NRLoto Morrow Hollow Mouth LakeCamden | NR | 2.3 ft | 42.6 µg/L | 11.2 µg/L | No recent samples | ✓ Public | |
| NRRacetrack Hollow @ Hwy. D LakeCamden | NR | No recent samples | 750 µg/L | 2.1 µg/L | No recent samples | Not recorded | |
| NRLake NianguaCamden | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRTreeline LakeCamden | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded |
NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.
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Other Counties in Missouri
See how Camden County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..
Source: EPA National Aquatic Resource Surveys, 2026.