Cushing Municipal Lake
Payne County, OklahomaView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Cushing Municipal Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Limited data
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Answers come straight from the public measurements and survey records on this page.
Cushing Municipal Lake in Payne County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 0.5 ft visibility.
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Cushing Municipal Lake is a lake in Payne County, Oklahoma. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2017-07-05. Grade methodology: LakeQuality methodology.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Cushing Municipal Lake is listed impaired under Clean Water Act §303(d) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), turbidity. Check local advisories before you swim.
Whether Cushing Municipal 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 Cushing Municipal Lake
These are the measurements Oklahoma DEQ publishes for Cushing Municipal Lake, 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 0.5 ft of visibility. TSI 88.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.5 ft | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 88 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Fishing Cushing Municipal Lake
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +2.66 m/yr | 2 |
| Phosphorus | ↓ Declining | +11.48 µg/L/yr | 2 |
| Chlorophyll-a | ↓ Declining | +3.4 µg/L/yr | 2 |
EPA Impairment Status
Cushing Municipal Lake is officially listed as impaired under Clean Water Act §303(d) in the 2020 EPA reporting cycle.
Causes of impairment
Source: EPA ATTAINS assessment unit Big Creek 001 · Official waterbody report · Matched by proximity (1.72 km)
Nearby Lakes in Payne County
Frequently asked questions about Cushing Municipal Lake
Where is Cushing Municipal Lake?
- Cushing Municipal Lake is a lake in Payne County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Cushing Municipal Lake?
- Cushing Municipal Lake in Payne County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 0.5 ft visibility.
Is Cushing Municipal Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Cushing Municipal Lake is listed impaired under Clean Water Act §303(d) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), turbidity. Check local advisories before you swim.
Explore Cushing Municipal Lake across LakeQuality
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Where this data comes from
9 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_WQX9 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
Impairment status from EPA ATTAINS 303(d) database