Loto Morrow Hollow Mouth Lake is a productive, nutrient-rich eutrophic lake in Camden County, Missouri. Water quality is graded D based on 3 sampling years through 2022. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 41 other monitored lakes in Camden County, Loto Morrow Hollow Mouth Lake ranks #32 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2022-07-11. 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
Very murky, less than 2.3 ft of visibility. Phosphorus level: 42.6 µg/L. Chlorophyll-a: 11.2 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 ft | F |
| Phosphorus | 42.6 µg/L | C |
| Chlorophyll-a (Algae) | 11.2 µg/L | C |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Loto Morrow Hollow Mouth Lake
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Fishing Loto Morrow Hollow Mouth Lake
Recreation & Access
Location
County Ranking
Ranked #32 of 42 lakes in Camden County
Cleaner Lakes Within 30 Miles
Loto Morrow Hollow Mouth Lake holds Grade D. 5 nearby lakes hold higher grades.
- CRacetrack Hollow @ Hwy. D LakeCamden County · 3.4 mi · Higher grade (D → C)
- CLoto Ha Ha Tonka Branch Mouth LakeCamden County · 3.7 mi · Higher grade (D → C)
- CLoto LakeCamden County · 6.1 mi · Higher grade (D → C)
- CLoto LakeCamden County · 9.2 mi · Higher grade (D → C)
- CLoto LakeCamden County · 10.8 mi · Higher grade (D → C)
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High nutrients, frequent algae, reduced clarity
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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
24 EPA-permitted facilities operate within about 5 miles of Loto Morrow Hollow Mouth Lake under Clean Water Act (NPDES) discharge permits. 7 facilities have a reported Clean Water Act violation in the past three years.
- Clearwater Condos WwtpCamdenton · 0.4 mi away · NPDES MO0126985Recent violation
- Encounter Cove Camp & Conf Cntr WwtpRoach · 1 mi away · NPDES MO0093947Recent violation
- Diamondhead SubdivisionRoach · 2 mi away · NPDES MO0108740Recent violation
- Niangua Vista Condominiums WwtpCamdenton · 2.4 mi away · NPDES MO0126993Recent violation
- Neighborhood Wastewater AssociationCamdenton · 2.5 mi away · NPDES MO0122190Recent violation
- Big Island Sewer Company WwtpRoach · 3.3 mi away · NPDES MO0123013Recent 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
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2022-07-11
Monitoring stations: 1