Ponca Lake A
Kay County, Oklahoma1,159 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Ponca Lake A. Here is what has been measured.
- Public access
- Limited data
Ponca Lake A in Kay County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Phosphorus: 237 µg/L. Chlorophyll-a (algae): 9.1 µg/L. Surface area: 1159 acres.
Ponca Lake A is a 1,159-acre lake in Kay County, Oklahoma. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2015-12-11. Methodology: how these readings are compared.
Ponca Lake A covers about 1,200 acres in Kay County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Ponca Lake A, and Booking.com and Expedia search hotels near the lake for your dates.
What Ponca Lake A is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Big water1,159 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Ponca Lake A 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 Ponca Lake A
These are the measurements Oklahoma DEQ publishes for Ponca Lake A, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 237 µg/L. Chlorophyll-a 9.1 µg/L. TSI 68.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 237µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 9.1µg/L | Measured, not scored 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. | 68 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Ponca Lake A
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,159 acres
Public access
Yes
Listed by Oklahoma DEQ
No bathymetric survey has been published for Ponca Lake A, so its depth is not documented here.
Recreation & Access
- Pageant AreaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Ponca Lake A
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Fishing Ponca Lake A
Water Quality Trend: Improving
Based on 7 years of monitoring (2012–2024).
Water clarity
Improving4 years
Phosphorus
Improving-67.32 µg/L/yr3 years
Reservoir Info (USACE NID)
Ponca Lake A is a man-made reservoir impounded by the Ponca Lake (completed 1935), built primarily for water supply on the Turkey Creek; earth-type dam, 67 ft tall and 5,000 ft long.
- Surface area
- 1,159 ac
- Normal storage
- 14,440 ac-ft
- Max storage
- 23,700 ac-ft
- Drainage area
- 27.7 sq mi
- Hazard class
- High
- Owner
- City of Ponca City
Source: USACE National Inventory of Dams, NID ID OK11017 · Operator website · Matched by proximity (0.75 km)
Nearby Lakes in Kay County
Frequently asked questions about Ponca Lake A
Where is Ponca Lake A?
- Ponca Lake A is a lake in Kay County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Ponca Lake A?
- Ponca Lake A in Kay County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Phosphorus: 237 µg/L. Chlorophyll-a (algae): 9.1 µg/L. Surface area: 1159 acres.
Is Ponca Lake A safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Ponca Lake A?
- Ponca Lake A has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Pageant Area. Public access is listed as yes.
Can I fish at Ponca Lake A?
- Ponca Lake A has 1 documented boat landing 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 Ponca Lake A across LakeQuality
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Where this data comes from
63 measurements from 1 monitoring station, 2012–2015. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Kaw Nation, Oklahoma (Tribal)
KAWNATON_WQX63 samples · 2012–2015
Analytical methods
- Phosphorus, Total Ascorbic Acid Method
- Phosphorus, Recative (Orthophosphate) Ascorbic Acid Method
- Phosphorus by Colorimetry
- Phosphorus, Reactive (Orthophosphate) Ascorbic Acid Method
- Chlorophyll a-b-c Determination
- 10200 H 2 ~ Chlorophyll a-b-c Determination by spectrophotometer
Monitoring station identifiers (1)
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