Creek County, Oklahoma · Water Quality Report Card
Heyburn Lake
Heyburn Lake in Creek County, Oklahoma is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.2 ft visibility.
- Clarity
- 1.2 ft
- Mean depth
- ~14 ft est.
- Type
- Hypereutrophic
- Trend
- ↑ Improving
Heyburn Lake is a highly nutrient-loaded hypereutrophic lake in Creek County, Oklahoma with an estimated average depth of about 14 feet. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2021-09-14. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not rated for swimming — there is not enough monitoring data to judge this lake
Water Quality Grade: Not rated
Very murky, less than 1.2 ft of visibility. Trophic State Index: 74.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.2 ft | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 74 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Lake Details
| Characteristic | Value |
|---|---|
| Average Depth | ~14 ft est. |
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Oklahoma has not published bathymetry for Heyburn Lake.
Where to stay near Heyburn Lake
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Fishing Heyburn Lake
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.8 m/yr | 2 |
Location
Nearby Lakes in Creek County
Explore Heyburn Lake across LakeGrade
Species activity outlook by water temperature and season
Where to stay at Oklahoma's top lakes, each with its grade
Very high nutrients, dense algae, poor clarity
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More records, surveys & data sources
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.
Where this data comes from
31 measurements from 4 monitoring stations, 2016–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX31 samples · 2016–2021
Analytical methods
- OWRB Lakes Field Data Collection
- Determination of Turbidity
Monitoring station identifiers (4)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2021-09-14
Monitoring stations: 4