Watonga Lake
Blaine County, Oklahoma55 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Watonga Lake. Here is what has been measured.
- Limited data
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Answers come straight from the public measurements and survey records on this page.
Watonga Lake in Blaine County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 1 ft visibility. Surface area: 55 acres.
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Watonga Lake is a 55-acre lake in Blaine County, Oklahoma.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2020-09-08. 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 Watonga 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 Watonga Lake
These are the measurements Oklahoma DEQ publishes for Watonga 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.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 ft | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 77 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 55 acres |
No bathymetric survey has been published for Watonga Lake, so its depth is not documented here.
Fishing Watonga Lake
Reservoir Info (USACE NID)
Watonga Lake is a man-made reservoir impounded by the Watonga Lake (completed 1955), built primarily for recreation on the Bitter Creek; earth-type dam, 33 ft tall and 910 ft long.
- Surface area
- 55 ac
- Normal storage
- 656 ac-ft
- Max storage
- 1,190 ac-ft
- Drainage area
- 2,000 sq mi
- Hazard class
- Low
- Owner
- DEPARTMENT OF WILDLIFE CONSERVATION
Source: USACE National Inventory of Dams, NID ID OK00115 · Operator website
Nearby Lakes in Blaine County
Frequently asked questions about Watonga Lake
Where is Watonga Lake?
- Watonga Lake is a lake in Blaine County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Watonga Lake?
- Watonga Lake in Blaine County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 1 ft visibility. Surface area: 55 acres.
Is Watonga Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Watonga Lake across LakeQuality
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Hypereutrophic Lakes in Oklahoma
Where this data comes from
15 measurements from 3 monitoring stations, 2019–2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX15 samples · 2019–2020
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.