Lake Sahoma
Creek County, Oklahoma344 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Lake Sahoma. Here is what has been measured.
- 53 ft max depth
- Limited data
Lake Sahoma in Creek County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2 ft visibility. Surface area: 344 acres.
Lake Sahoma is a 344-acre lake in Creek County, Oklahoma with an estimated average depth of about 53 feet.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2024-09-25. 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 Lake Sahoma 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 Lake Sahoma
These are the measurements Oklahoma DEQ publishes for Lake Sahoma, 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 ft of visibility. TSI 67.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2ft | 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. | 67 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Sahoma
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~53 ft est.
Surface area
344 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 Lake Sahoma.
Lake Size & Watershed
Watershed (drainage) area
37 sq mi
HydroLAKES / HydroSHEDS
Shoreline
3.1 mi
HydroLAKES / HydroSHEDS
Elevation
722 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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Stays near Lake Sahoma
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Fishing Lake Sahoma
Water Quality Trend: Stable
Based on 4 years of monitoring (2020–2024).
Water clarity
Stable4 years
Reservoir Info (USACE NID)
Lake Sahoma is a man-made reservoir impounded by the Sahoma Lake (completed 1947), built primarily for water supply on the Rock Creek; earth-type dam, 45 ft tall and 1,320 ft long.
- Surface area
- 344 ac
- Normal storage
- 4,850 ac-ft
- Max storage
- 5,270 ac-ft
- Drainage area
- 37.3 sq mi
- Hazard class
- High
- Owner
- City of Sapulpa
Source: USACE National Inventory of Dams, NID ID OK00566 · Operator website
Nearby Lakes in Creek County
Frequently asked questions about Lake Sahoma
Where is Lake Sahoma?
- Lake Sahoma is a lake in Creek County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Lake Sahoma?
- Lake Sahoma in Creek County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2 ft visibility. Surface area: 344 acres.
Is Lake Sahoma safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Sahoma?
- No published bathymetric survey covers Lake Sahoma, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 53 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 344 acres.
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Where this data comes from
53 measurements from 4 monitoring stations, 2019–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX53 samples · 2019–2024
Analytical methods
- OWRB Lakes Field Data Collection
- Determination of Turbidity
Monitoring station identifiers (4)
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)