Loto Lake is a productive, nutrient-rich eutrophic lake in Camden County, Missouri. Water quality is graded C based on 3 sampling years through 2024. Overall water quality is declining over recent sampling years. Compared to the 41 other monitored lakes in Camden County, Loto Lake ranks #20 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-17. Grade methodology: LakeGrade methodology.
Watch Loto Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Murky, only visible to about 3.9 ft. Phosphorus level: 40.8 µg/L. Chlorophyll-a: 15.8 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft | D |
| Phosphorus | 40.8 µg/L | C |
| Chlorophyll-a (Algae) | 15.8 µg/L | C |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Loto Lake
Compare lakeside cabins, hotels, and vacation rentals near Loto Lake in Camden County, Missouri — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Loto Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Loto Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Loto Lake — straight to your inbox. No spam, unsubscribe anytime.
Planning a whole trip? See where to stay at Missouri’s top lakes →
Fishing Loto Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.017 m/yr | 5 |
| Phosphorus | → Stable | -0.82 µg/L/yr | 5 |
| Chlorophyll-a | ↓ Declining | +0.54 µg/L/yr | 5 |
Water Temperature
Loto Lake averages about 82°F at the surface in summer, usually warmest in Jul (about 84°F) and coldest in Apr (about 59°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 35 field readings (2020–2024) via the EPA Water Quality Portal.
Location
County Ranking
Ranked #20 of 42 lakes in Camden County
Nearby Lakes in Camden County
Explore Loto Lake across LakeGrade
Species activity outlook by water temperature and season
Top lakes and where to stay in the Lake of the Ozarks area
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 C 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
32 EPA-permitted facilities operate within about 5 miles of Loto Lake under Clean Water Act (NPDES) discharge permits. 13 facilities have a reported Clean Water Act violation in the past three years.
- Keystone Village Condos WwtfOsage Beach · 0.8 mi away · NPDES MO0122351Recent violation
- Hawk Island EstatesOsage Beach · 0.9 mi away · NPDES MO0099554Recent violation
- Azul Waters WwtfSunrise Beach · 0.9 mi away · NPDES MO0140007Recent violation
- St. Moritz Estates CondosOsage Beach · 1.1 mi away · NPDES MO0094285Recent violation
- St. Tropez Subdivision WwtpOsage Beach · 1.2 mi away · NPDES MO0109959Recent violation
- Lake Pointe CondominiumsOsage Beach · 1.2 mi away · NPDES MO0102733Recent 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: 2024-09-17
Monitoring stations: 1