Pomme de Terre Lake is a 7,820-acre productive, nutrient-rich eutrophic lake in Hickory County, Missouri. Water quality is graded D based on 3 sampling years through 2024. Compared to the 9 other monitored lakes in Hickory County, Pomme de Terre Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-12. 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 2.8 ft of visibility. Phosphorus level: 33 µg/L. Chlorophyll-a: 14.9 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.8 ft | F |
| Phosphorus | 33 µg/L | C |
| Chlorophyll-a (Algae) | 14.9 µg/L | C |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 7,820 acres |
Where to stay near Pomme de Terre Lake
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Fishing Pomme de Terre Lake
Location
County Ranking
Ranked #4 of 10 lakes in Hickory County
Cleaner Lakes Within 30 Miles
Pomme de Terre Lake holds Grade D. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Hickory County
Explore Pomme de Terre Lake across LakeGrade
More Missouri Lake Rankings
Other Grade D Lakes in Missouri
Eutrophic Lakes in Missouri
Compare Pomme de Terre Lake With Nearby Lakes
More records, surveys & data sources
Reservoir Info (USACE NID)
Pomme de Terre Lake is a man-made reservoir impounded by the Pomme De Terre Dam (completed 1961), built primarily for flood risk reduction on the POMME DE TERRE RIVER; rockfill-type dam, 155 ft tall and 4,630 ft long.
- Surface area
- 7,820 ac
- Normal storage
- 230,000 ac-ft
- Max storage
- 650,000 ac-ft
- Drainage area
- 611 sq mi
- Hazard class
- High
- Owner
- USACE - Kansas City District
All listed purposes: Flood Risk Reduction;Fish and Wildlife Pond;Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID MO30201 · Operator website
EPA Impairment Status
Pomme de Terre Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MO_7238.00 · Official waterbody report
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Pomme de Terre Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Fugate Mhp WwtpPittsburg · 0.4 mi away · NPDES MO0134864Recent violation
- Nemo Bridge Resort WwtpPittsburg · 0.2 mi away · NPDES MO0134961
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
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-12
Monitoring stations: 1