Sooner Reservoir
Pawnee County, Oklahoma5,400 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Sooner Reservoir. Here is what has been measured.
- 91 ft max depth
- Public access
- Limited data
Sooner Reservoir in Pawnee County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 4 ft visibility. Surface area: 5400 acres.
Sooner Reservoir is a 5,400-acre lake in Pawnee County, Oklahoma with an estimated average depth of about 91 feet. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2020-09-21. Methodology: how these readings are compared.
What Sooner Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Big water5,400 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Sooner Reservoir 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 Sooner Reservoir
These are the measurements Oklahoma DEQ publishes for Sooner Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4 ft. TSI 57.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4ft | 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. | 57 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Sooner Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~91 ft est.
Surface area
5,400 acres
Public access
Yes
Listed by Oklahoma DEQ
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Oklahoma has not published bathymetry for Sooner Reservoir.
Lake Size & Watershed
Watershed (drainage) area
32 sq mi
HydroLAKES / HydroSHEDS
Shoreline
29.1 mi
HydroLAKES / HydroSHEDS
Elevation
925 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.
Recreation & Access
- Highway 15Public
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Sooner Reservoir
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Fishing Sooner Reservoir
Reservoir Info (USACE NID)
Sooner Reservoir is a man-made reservoir impounded by the Sooner (completed 1972), built primarily for other on the Greasy Cr; earth-type dam, 100 ft tall and 4,500 ft long.
- Surface area
- 5,400 ac
- Normal storage
- 149,000 ac-ft
- Max storage
- 350,000 ac-ft
- Drainage area
- 28.6 sq mi
- Hazard class
- Significant
- Owner
- OG&E
Source: USACE National Inventory of Dams, NID ID OK11103 · Operator website
Nearby Lakes in Pawnee County
Frequently asked questions about Sooner Reservoir
Where is Sooner Reservoir?
- Sooner Reservoir is a lake in Pawnee County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Sooner Reservoir?
- Sooner Reservoir in Pawnee County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 4 ft visibility. Surface area: 5400 acres.
Is Sooner Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Sooner Reservoir?
- No published bathymetric survey covers Sooner Reservoir, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 91 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 5400 acres.
Are there boat ramps on Sooner Reservoir?
- Sooner Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Highway 15. Public access is listed as yes.
Can I fish at Sooner Reservoir?
- Sooner Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Oklahoma's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
21 measurements from 3 monitoring stations, 2017–2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX21 samples · 2017–2020
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)
Named boat-access points from the USGS National Boat Ramps inventory