John Wells Lake
Haskell County, Oklahoma194 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for John Wells Lake. Here is what has been measured.
- 48 ft max depth
- Limited data
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Answers come straight from the public measurements and survey records on this page.
John Wells Lake in Haskell County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 5.7 ft visibility. Surface area: 194 acres.
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John Wells Lake is a 194-acre lake in Haskell County, Oklahoma with an estimated average depth of about 48 feet.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2017-08-08. 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 John Wells 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 John Wells Lake
These are the measurements Oklahoma DEQ publishes for John Wells Lake, 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 5.7 ft. TSI 52.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.7 ft | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~48 ft est. |
| Average Depth | ~19 ft est. |
| Surface Area | 194 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 John Wells 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 John Wells Lake
Reservoir Info (USACE NID)
John Wells Lake is a man-made reservoir impounded by the John Wells Lake (completed 1936), built primarily for water supply on the Tr-Sans Bois Cr; earth-type dam, 44 ft tall and 1,250 ft long.
- Surface area
- 194 ac
- Normal storage
- 1,352 ac-ft
- Max storage
- 1,452 ac-ft
- Hazard class
- Low
- Owner
- CITY OF STIGLER
Source: USACE National Inventory of Dams, NID ID OK10063 · Operator website
Nearby Lakes in Haskell County
Frequently asked questions about John Wells Lake
Where is John Wells Lake?
- John Wells Lake is a lake in Haskell County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of John Wells Lake?
- John Wells Lake in Haskell County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 5.7 ft visibility. Surface area: 194 acres.
Is John Wells Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is John Wells Lake?
- No published bathymetric survey covers John Wells Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 48 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 194 acres.
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Where this data comes from
12 measurements from 3 monitoring stations, 2016–2017. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX12 samples · 2016–2017
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)