Loto Lake is a 5-acre productive, nutrient-rich eutrophic lake in Camden County, Missouri. Water quality is graded B based on 3 sampling years through 2023. Compared to the 41 other monitored lakes in Camden County, Loto Lake ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2023-06-13. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 6.9 ft. Phosphorus level: 25 µg/L. Chlorophyll-a: 9.6 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.9 ft | C |
| Phosphorus | 25 µg/L | B |
| Chlorophyll-a (Algae) | 9.6 µg/L | B |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 5 acres |
Where to stay near Loto Lake
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Fishing Loto Lake
Location
County Ranking
Ranked #7 of 42 lakes in Camden County
Nearby Lakes in Camden County
Explore Loto Lake across LakeGrade
Species activity outlook by water temperature and season
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Where to stay at Missouri's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
Missouri's cleanest and most-polluted lakes, ranked
More Missouri Lake Rankings
Other Grade B Lakes in Missouri
Morgan County · Clarity: 8 ft
Morgan County · Clarity: 7.5 ft
Miller County · Clarity: 6.7 ft
Miller County · Clarity: 6.9 ft
Morgan County · Clarity: 7.5 ft
Morgan County · Clarity: 6.2 ft
More records, surveys & data sources
Reservoir Info (USACE NID)
Loto Lake is a man-made reservoir impounded by the Autumn Lake Dam (completed 1972), built primarily for recreation on the TR-OSAGE RIVER; earth-type dam, 30 ft tall.
- Surface area
- 5 ac
- Normal storage
- 42 ac-ft
- Max storage
- 80 ac-ft
- Drainage area
- 60 sq mi
- Hazard class
- Low
- Owner
- FOUR SEASONS COUNTRY CLB
Source: USACE National Inventory of Dams, NID ID MO30855 · Operator website · Matched by proximity (0.94 km)
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Loto Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Malibu Pointe Estates WwtfLake Ozark · 0.3 mi away · NPDES MO0138851Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-06-13
Monitoring stations: 1