Pomme de Terre L. Central Arm Lake
Hickory County, MissouriView mapDirections
Missouri DNR publishes the water-quality measurements for Pomme de Terre L. Central Arm Lake. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
- Public access
Pomme de Terre L. Central Arm Lake in Hickory County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 30.5 µg/L. Chlorophyll-a (algae): 11.8 µg/L.
Pomme de Terre L. Central Arm Lake is a productive, nutrient-rich eutrophic lake in Hickory County, Missouri. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 5 other monitored lakes in Hickory County, Pomme de Terre L. Central Arm Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-15. Methodology: how these readings are compared.
What Pomme de Terre L. Central Arm Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
Swimming conditions
Readings onlyBacteria tested: low
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Based on E. coli testing, Pomme de Terre L. Central Arm Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 3% of 266 samples across 8 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Missouri’s current beach and health-department advisories before swimming.
Whether Pomme de Terre L. Central Arm Lake is safe to swim in today is a call for the Missouri Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Pomme de Terre L. Central Arm Lake
These are the measurements Missouri DNR publishes for Pomme de Terre L. Central Arm Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 3 ft of visibility. Phosphorus 30.5 µg/L. Chlorophyll-a 11.8 µg/L. TSI 57.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 30.5µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 11.8µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 57 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Pomme de Terre L. Central Arm Lake
Answers come straight from the public measurements and survey records on this page.
→ Pomme de Terre L. Central Arm Lake water level: the live USGS gauge reading
Water Temperature
Pomme de Terre L. Central Arm Lake typically sits around 79°F at the surface in September. Summer average is about 84°F. Usually warmest in Jul (about 85°F) and coldest in Apr (about 65°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (65°F) to its warmest (85°F).
Typical surface water temperature by month, from 64 field readings (2010–2024) via the EPA Water Quality Portal. See the full Pomme de Terre L. Central Arm Lake water temperature breakdown →
Recreation & Access
- Pomme De Terre Lake State ParkPublic
- Highway 83 MarinaSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Pomme de Terre L. Central Arm Lake
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Fishing Pomme de Terre L. Central Arm Lake
Water Quality Trend: Improving
Based on 4 years of monitoring (2020–2024).
Water clarity
Improving4 years
Phosphorus
Improving-3.41 µg/L/yr4 years
Chlorophyll-a
Improving-1.85 µg/L/yr4 years
EPA Impairment Status
Pomme de Terre L. Central Arm Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit MO_7238.00 · Official waterbody report
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Pomme de Terre L. Central Arm Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Pomme De Terre Sp - Pittsburg WwtfPittsburg · 1.2 mi away · NPDES MO0128805Recent violation
- Whiteside Hidden AcresPittsburg · 0.2 mi away · NPDES MO0120511
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.
Nearby Lakes in Hickory County
Frequently asked questions about Pomme de Terre L. Central Arm Lake
Where is Pomme de Terre L. Central Arm Lake?
- Pomme de Terre L. Central Arm Lake is a lake in Hickory County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Pomme de Terre L. Central Arm Lake?
- Pomme de Terre L. Central Arm Lake in Hickory County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 30.5 µg/L. Chlorophyll-a (algae): 11.8 µg/L.
Is Pomme de Terre L. Central Arm Lake safe to swim in?
- Based on E. coli testing, Pomme de Terre L. Central Arm Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 3% of 266 samples across 8 seasons. That is a historical summary of past bacteria testing, not a current reading and not a swimming clearance. Bacteria levels can spike quickly after heavy rain, so whether Pomme de Terre L. Central Arm Lake is safe to swim in today is a call for Missouri's water agency and the county health department; check their current beach advisories before you swim.
What is the water temperature of Pomme de Terre L. Central Arm Lake?
- Pomme de Terre L. Central Arm Lake typically sits around 79°F at the surface in September, from 64 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
Are there boat ramps on Pomme de Terre L. Central Arm Lake?
- Pomme de Terre L. Central Arm Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Pomme De Terre Lake State Park, Highway 83 Marina. Public access is listed as yes.
Can I fish at Pomme de Terre L. Central Arm Lake?
- Pomme de Terre L. Central Arm Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Missouri's fish and wildlife agency, so check its current regulations before you go.
Explore Pomme de Terre L. Central Arm Lake across LakeQuality
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Where this data comes from
48 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Univ. of Missouri, Columbia
UMC48 samples · 2020–2024
Analytical methods
- Depth, Secchi disk in meters
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Named boat-access points from the USGS National Boat Ramps inventory