Comanche Lake
Stephens County, Oklahoma121 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Comanche Lake. Here is what has been measured.
- 29 ft max depth
- Limited data
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Answers come straight from the public measurements and survey records on this page.
Comanche Lake in Stephens County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2.8 ft visibility. Surface area: 121 acres.
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Comanche Lake is a 121-acre lake in Stephens County, Oklahoma with an estimated average depth of about 29 feet.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2023-10-17. Grade methodology: LakeQuality methodology.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Comanche 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 Comanche Lake
These are the measurements Oklahoma DEQ publishes for Comanche 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 2.8 ft of visibility. TSI 62.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.8 ft | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~29 ft est. |
| Average Depth | ~10 ft est. |
| Surface Area | 121 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 Comanche Lake.
Lake Size & Watershed
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 Comanche Lake
Reservoir Info (USACE NID)
Comanche Lake is a man-made reservoir impounded by the Comanche (completed 1960), built primarily for water supply on the Tr-South Fork Deer Cr; earth-type dam, 50 ft tall and 1,500 ft long.
- Surface area
- 121 ac
- Normal storage
- 2,576 ac-ft
- Max storage
- 3,800 ac-ft
- Drainage area
- 3.58 sq mi
- Hazard class
- High
- Owner
- City of Comanche
Source: USACE National Inventory of Dams, NID ID OK13279 · Operator website
Nearby Lakes in Stephens County
Frequently asked questions about Comanche Lake
Where is Comanche Lake?
- Comanche Lake is a lake in Stephens County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Comanche Lake?
- Comanche Lake in Stephens County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2.8 ft visibility. Surface area: 121 acres.
Is Comanche Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Comanche Lake?
- No published bathymetric survey covers Comanche Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 29 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 121 acres.
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Where this data comes from
10 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX10 samples · 2023
Analytical methods
- OWRB Lakes Field Data Collection
- Determination of Turbidity
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
Lake size & watershed from HydroLAKES (HydroSHEDS)