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LakeQuality

Healdton Lake

Carter County, Oklahoma370 acresView mapDirections

Oklahoma DEQ publishes the water-quality measurements for Healdton Lake. Here is what has been measured.

Clarity
1 ft
Secchi · sampled 2024
Max depth
~35 ft est.
GLOBathy model
Area
370 acres
Surface area
Trend
Improving
4 years of samples
  • 35 ft max depth
  • Limited data

Ask about Healdton Lake

Answers come straight from the public measurements and survey records on this page.

Healdton Lake in Carter County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 1 ft visibility. Surface area: 370 acres.

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Healdton Lake is a 370-acre lake in Carter County, Oklahoma with an estimated average depth of about 35 feet. Overall water quality is improving over recent sampling years.

Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2024-10-08. Grade methodology: LakeQuality methodology.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Healdton Lake is safe to swim in today is a call for the Oklahoma Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Healdton Lake

These are the measurements Oklahoma DEQ publishes for Healdton 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 1 ft of visibility. TSI 77.

MetricValueEPA condition class
Water Clarity (Secchi Depth)1 ftMeasured, not scored
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)77Hypereutrophic

Very high nutrients, dense algae, poor clarity

Lake Details

CharacteristicValue
Maximum Depth~35 ft est.
Average Depth~10 ft est.
Surface Area370 acres

Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Oklahoma has not published bathymetry for Healdton Lake.

Lake Size & Watershed

Watershed (drainage) area
10 sq mi
Shoreline
4.3 mi
Elevation
902 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.

Fishing Healdton Lake

Based on 4 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+2.392 m/yr4
See year-by-year chart →

Reservoir Info (USACE NID)

Healdton Lake is a man-made reservoir impounded by the SCS-Upper Bayou Site-10m (completed 1979), built primarily for flood risk reduction on the Oil Branch Creek; earth-type dam, 38 ft tall and 1,580 ft long.

Surface area
370 ac
Normal storage
3,000 ac-ft
Max storage
6,994 ac-ft
Drainage area
10.47 sq mi
Hazard class
Significant
Owner
ARBUCKLE CONSERVATION DISTRICT

Source: USACE National Inventory of Dams, NID ID OK20805 · Operator website

Nearby Lakes in Carter County

Frequently asked questions about Healdton Lake

Where is Healdton Lake?

Healdton Lake is a lake in Carter County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.

What is the water quality of Healdton Lake?

Healdton Lake in Carter County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 1 ft visibility. Surface area: 370 acres.

Is Healdton Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

How deep is Healdton Lake?

No published bathymetric survey covers Healdton Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 35 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 370 acres.

Where this data comes from

40 measurements from 3 monitoring stations, 2016–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • OWRB Lakes MonitoringOKWRB-LAKES_WQX40 samples · 2016–2024

Analytical methods

  • OWRB Lakes Field Data Collection
  • Determination of Turbidity
Monitoring station identifiers (3)

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

Lake size & watershed from HydroLAKES (HydroSHEDS)