Loto Lake is a productive, nutrient-rich eutrophic lake in Camden County, Missouri. Water quality is graded D based on 2 sampling years through 2022. Compared to the 41 other monitored lakes in Camden County, Loto Lake ranks #41 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2022-07-14. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
No clarity data. Phosphorus level: 82 µg/L. Chlorophyll-a: 26.1 µg/L. Trophic State Index: 65.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 82 µg/L | D |
| Chlorophyll-a (Algae) | 26.1 µg/L | D |
| Trophic State Index (TSI) | 65 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Loto Lake
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Fishing Loto Lake
Location
County Ranking
Ranked #41 of 42 lakes in Camden County
Cleaner Lakes Within 30 Miles
Loto Lake holds Grade D. 5 nearby lakes hold higher grades.
- CRacetrack Hollow @ Hwy. D LakeCamden County · 0.2 mi · Higher grade (D → C)
- CLoto Ha Ha Tonka Branch Mouth LakeCamden County · 0.8 mi · Higher grade (D → C)
- CLoto LakeCamden County · 6.4 mi · Higher grade (D → C)
- CLoto LakeCamden County · 9.8 mi · Higher grade (D → C)
- CLoto LakeCamden County · 10.2 mi · Higher grade (D → C)
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
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Other Grade D Lakes in Missouri
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
7 EPA-permitted facilities operate within about 5 miles of Loto Lake under Clean Water Act (NPDES) discharge permits. 4 facilities have a reported Clean Water Act violation in the past three years.
- Minnow Brook Hoa WwtpCamdenton · 0 mi away · NPDES MO0112453Recent violation
- Forest RidgeCamdenton · 0.6 mi away · NPDES MO0130991Recent violation
- Cedar Green WwtfCamdenton · 0.6 mi away · NPDES MO0130583Recent violation
- Sunny Slope Country Club Drive WwtpCamdenton · 0.8 mi away · NPDES MO0130591Recent violation
- Kennedy Onsite WwtfCamdenton · 0.3 mi away · NPDES MO0135381
- Osage Water Company - Cedar Glen WwtfCamdenton · 0.8 mi away · NPDES MO0120936
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: 2022-07-14
Monitoring stations: 1