Crowder Lake
Washita County, Oklahoma158 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Crowder Lake. Here is what has been measured.
- 23 ft max depth
- Limited data
Crowder Lake in Washita County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2.1 ft visibility. Surface area: 158 acres.
Crowder Lake is a 158-acre lake in Washita County, Oklahoma with an estimated average depth of about 23 feet.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2019-07-16. 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 Crowder 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 Crowder Lake
These are the measurements Oklahoma DEQ publishes for Crowder 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 2.1 ft of visibility. TSI 66.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.1ft | 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. | 66 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Crowder Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~23 ft est.
Surface area
158 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 Crowder Lake.
Lake Size & Watershed
Watershed (drainage) area
26 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.5 mi
HydroLAKES / HydroSHEDS
Elevation
1,549 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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Fishing Crowder Lake
Reservoir Info (USACE NID)
Crowder Lake is a man-made reservoir impounded by the SCS-Cobb Creek Site-001 (completed 1959), built primarily for flood risk reduction on the Cobb Creek; earth-type dam, 80 ft tall and 11,850 ft long.
- Surface area
- 158 ac
- Normal storage
- 2,094 ac-ft
- Max storage
- 14,200 ac-ft
- Drainage area
- 26.1 sq mi
- Hazard class
- High
- Owner
- WASHITA CO CONS DIST
Source: USACE National Inventory of Dams, NID ID OK20570 · Operator website
Nearby Lakes in Washita County
Frequently asked questions about Crowder Lake
Where is Crowder Lake?
- Crowder Lake is a lake in Washita County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Crowder Lake?
- Crowder Lake in Washita County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2.1 ft visibility. Surface area: 158 acres.
Is Crowder Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Crowder Lake?
- No published bathymetric survey covers Crowder Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 23 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 158 acres.
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Where this data comes from
9 measurements from 3 monitoring stations, 2019. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX9 samples · 2019
Analytical methods
- OWRB Lakes Field Data Collection
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)