Skiatook Lake
Osage County, Oklahoma10,540 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Skiatook Lake. Here is what has been measured.
- Public access
- Limited data
Skiatook Lake in Osage County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 5.9 ft visibility. Surface area: 10540 acres.
Skiatook Lake is a 10,540-acre lake in Osage County, Oklahoma. Water clarity is improving over recent sampling years. Limited fish-species data available. Public access is available with 6 public boat landings.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2024-09-25. Methodology: how these readings are compared.
What Skiatook Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch6 documented ramps
- Big water10,540 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Skiatook 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 Skiatook Lake
These are the measurements Oklahoma DEQ publishes for Skiatook 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 5.9 ft. TSI 52.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.9ft | 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. | 52 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Skiatook Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
10,540 acres
Public access
Yes
Listed by Oklahoma DEQ
No bathymetric survey has been published for Skiatook Lake, so its depth is not documented here.
Recreation & Access
- Bull Creek PeninsulaPublic
- Hominy LandingPublic
- Eagle CreekPublic
- Black Dog 1Public
- Black Dog 2Public
- Osage ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Skiatook Lake
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Top-rated places to stay near Skiatook Lake
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Fishing Skiatook Lake
Water quality readings over time
2 seasons of samples on record (2012–2017). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Phosphorus
Worsening+1.4 µg/L/yr2 years
Chlorophyll-a
Stable-0.06 µg/L/yr2 years
Reservoir Info (USACE NID)
Skiatook Lake is a man-made reservoir impounded by the Skiatook Dam (completed 1984), built primarily for flood risk reduction on the Hominy Creek; earth-type dam, 143 ft tall and 3,590 ft long.
- Surface area
- 10,540 ac
- Normal storage
- 331,200 ac-ft
- Max storage
- 893,000 ac-ft
- Drainage area
- 354 sq mi
- Hazard class
- High
- Owner
- USACE - Tulsa District
All listed purposes: Flood Risk Reduction;Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID OK22200 · Operator website
Nearby Lakes in Osage County
Frequently asked questions about Skiatook Lake
Where is Skiatook Lake?
- Skiatook Lake is a lake in Osage County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Skiatook Lake?
- Skiatook Lake in Osage County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 5.9 ft visibility. Surface area: 10540 acres.
Is Skiatook Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Skiatook Lake?
- Skiatook Lake has 6 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Bull Creek Peninsula, Hominy Landing, Eagle Creek, Black Dog 1, among others. Public access is listed as yes.
Can I fish at Skiatook Lake?
- Skiatook Lake has 6 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Oklahoma's fish and wildlife agency, so check its current regulations before you go.
Explore Skiatook Lake across LakeQuality
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Where this data comes from
83 measurements from 7 monitoring stations, 2016–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX83 samples · 2016–2024
Analytical methods
- OWRB Lakes Field Data Collection
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- Determination of Turbidity
Monitoring station identifiers (7)
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
Named boat-access points from the USGS National Boat Ramps inventory