Sardis Lake
Pushmataha County, Oklahoma13,610 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Sardis Lake. Here is what has been measured.
- Public access
- Limited data
Sardis Lake in Pushmataha County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 1.5 ft visibility. Surface area: 13610 acres.
Sardis Lake is a 13,610-acre lake in Pushmataha County, Oklahoma. Overall water quality is declining 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 2024-10-15. Methodology: how these readings are compared.
What Sardis Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Big water13,610 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Sardis 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 Sardis Lake
These are the measurements Oklahoma DEQ publishes for Sardis 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 1.5 ft of visibility. TSI 71.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.5ft | 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. | 71 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Sardis Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
13,610 acres
Public access
Yes
Listed by Oklahoma DEQ
No bathymetric survey has been published for Sardis Lake, so its depth is not documented here.
Recreation & Access
- Potato Hill SouthPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Sardis Lake
Compare lakeside cabins, hotels, and vacation rentals near Sardis Lake in Pushmataha County, Oklahoma — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Sardis Lake
Prices for Nov 6–8, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip? Cabins and lodging at Sardis Lake → · more Oklahoma lake trips
Follow Sardis Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Sardis Lake
Water Quality Trend: Worsening
Based on 8 years of monitoring (2016–2025).
Water clarity
Worsening2 years
Phosphorus
Worsening+19.29 µg/L/yr6 years
Reservoir Info (USACE NID)
Sardis Lake is a man-made reservoir impounded by the Sardis Dam (completed 1982), built primarily for flood risk reduction on the Jackfork Creek; earth-type dam, 83 ft tall and 14,138 ft long.
- Surface area
- 13,610 ac
- Normal storage
- 274,330 ac-ft
- Max storage
- 735,830 ac-ft
- Drainage area
- 275 sq mi
- Hazard class
- High
- Owner
- USACE - Tulsa District
All listed purposes: Flood Risk Reduction;Other;Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID OK22199 · Operator website
Nearby Lakes in Pushmataha County
Frequently asked questions about Sardis Lake
Where is Sardis Lake?
- Sardis Lake is a lake in Pushmataha County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.
What is the water quality of Sardis Lake?
- Sardis Lake in Pushmataha County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 1.5 ft visibility. Surface area: 13610 acres.
Is Sardis 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 Sardis Lake?
- Sardis Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Potato Hill South. Public access is listed as yes.
Can I fish at Sardis Lake?
- Sardis Lake 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 Sardis Lake across LakeQuality
More lakes in Oklahoma
Other Lakes in Oklahoma
Hypereutrophic Lakes in Oklahoma
Where this data comes from
53 measurements from 5 monitoring stations, 2016–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX53 samples · 2016–2024
Analytical methods
- OWRB Lakes Field Data Collection
- Determination of Turbidity
Monitoring station identifiers (5)
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