Wr Holway Lake
Mayes County, Oklahoma742 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Wr Holway Lake. Here is what has been measured.
- 59 ft max depth
- Limited data
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Answers come straight from the public measurements and survey records on this page.
Wr Holway Lake in Mayes County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 3.9 ft visibility. Surface area: 742 acres.
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Wr Holway Lake is a 742-acre lake in Mayes County, Oklahoma with an estimated average depth of about 59 feet.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2024-09-24. 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 Wr Holway 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 Wr Holway Lake
These are the measurements Oklahoma DEQ publishes for Wr Holway 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 3.9 ft. TSI 57.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~59 ft est. |
| Average Depth | ~41 ft est. |
| Surface Area | 742 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 Wr Holway 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 Wr Holway Lake
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.04 m/yr | 5 |
Reservoir Info (USACE NID)
Wr Holway Lake is a man-made reservoir impounded by the Chimney Rock Pump Storage (completed 1968), built primarily for hydroelectric on the Salina Creek, Neosho River; earth-type dam, 195 ft tall and 2,300 ft long.
- Surface area
- 742 ac
- Normal storage
- 48,225 ac-ft
- Max storage
- 48,225 ac-ft
- Drainage area
- 1.9 sq mi
- Hazard class
- High
- Owner
- Grand River Dam Authority
Source: USACE National Inventory of Dams, NID ID OK00136 · Operator website
Nearby Lakes in Mayes County
Frequently asked questions about Wr Holway Lake
Where is Wr Holway Lake?
- Wr Holway Lake is a lake in Mayes County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Wr Holway Lake?
- Wr Holway Lake in Mayes County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 3.9 ft visibility. Surface area: 742 acres.
Is Wr Holway Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Wr Holway Lake?
- No published bathymetric survey covers Wr Holway Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 59 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 742 acres.
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Where this data comes from
45 measurements from 3 monitoring stations, 2016–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX45 samples · 2016–2024
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)