Wiley Post Memorial Lake
McClain County, Oklahoma302 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Wiley Post Memorial Lake. Here is what has been measured.
- 32 ft max depth
- Limited data
Wiley Post Memorial Lake in McClain County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 0.5 ft visibility. Surface area: 302 acres.
Wiley Post Memorial Lake is a 302-acre lake in McClain County, Oklahoma with an estimated average depth of about 32 feet.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2018-08-14. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Wiley Post Memorial 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.
Water quality measurements for Wiley Post Memorial Lake
These are the measurements Oklahoma DEQ publishes for Wiley Post Memorial 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 0.5 ft of visibility. TSI 86.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 86 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Wiley Post Memorial Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~32 ft est.
Surface area
302 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 Wiley Post Memorial Lake.
Lake Size & Watershed
Watershed (drainage) area
14 sq mi
HydroLAKES / HydroSHEDS
Shoreline
4.6 mi
HydroLAKES / HydroSHEDS
Elevation
981 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.
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Stays near Wiley Post Memorial Lake
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Fishing Wiley Post Memorial Lake
Reservoir Info (USACE NID)
Wiley Post Memorial Lake is a man-made reservoir impounded by the SCS-Finn Creek Site-034 (completed 1971), built primarily for flood risk reduction on the Gaddis Creek; earth-type dam, 38 ft tall and 3,100 ft long.
- Surface area
- 302 ac
- Normal storage
- 2,082 ac-ft
- Max storage
- 6,045 ac-ft
- Hazard class
- High
- Owner
- MCCLAIN CO CONS DIST
Source: USACE National Inventory of Dams, NID ID OK00766 · Operator website · Matched by proximity (0.65 km)
Nearby Lakes in McClain County
Frequently asked questions about Wiley Post Memorial Lake
Where is Wiley Post Memorial Lake?
- Wiley Post Memorial Lake is a lake in McClain County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Wiley Post Memorial Lake?
- Wiley Post Memorial Lake in McClain County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 0.5 ft visibility. Surface area: 302 acres.
Is Wiley Post Memorial Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Wiley Post Memorial Lake?
- No published bathymetric survey covers Wiley Post Memorial Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 32 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 302 acres.
Explore Wiley Post Memorial Lake across LakeQuality
Planning a trip around Chickasaw?
Wiley Post Memorial Lake is about 35 miles from Chickasaw National Recreation Area. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Chickasaw →More lakes in Oklahoma
Other Lakes in Oklahoma
Hypereutrophic Lakes in Oklahoma
Where this data comes from
12 measurements from 4 monitoring stations, 2017–2018. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX12 samples · 2017–2018
Analytical methods
- OWRB Lakes Field Data Collection
Monitoring station identifiers (4)
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)