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Lake Sardis Clayton

Pushmataha County, OklahomaView mapDirections

Oklahoma DEQ publishes the water-quality measurements for Lake Sardis Clayton. Here is what has been measured.

Phosphorus
260 µg/L
More phosphorus than most
Measured by Oklahoma DEQ
Type
Hypereutrophic
Trophic class
Trend
Worsening
8 years of samples
  • Hypereutrophic
  • Public access

Lake Sardis Clayton in Pushmataha County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Phosphorus: 260 µg/L.

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Lake Sardis Clayton is a highly nutrient-loaded hypereutrophic lake in Pushmataha County, Oklahoma. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 1 other monitored lakes in Pushmataha County, Lake Sardis Clayton ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2026-03-25. Methodology: how these readings are compared.

What Lake Sardis Clayton is good for

From access and monitoring records, not editorial picks.

  • Boat launch2 documented ramps

Swimming conditions

Readings only

Elevated nutrients

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Lake Sardis Clayton 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.

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Water quality measurements for Lake Sardis Clayton

These are the measurements Oklahoma DEQ publishes for Lake Sardis Clayton, 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 260 µg/L. TSI 84.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus260µg/LPoor
GoodFairPoor
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.84Hypereutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Very high nutrients, dense algae, poor clarity

Ask about Lake Sardis Clayton

Answers come straight from the public measurements and survey records on this page.

Recreation & Access

2
Boat Landings
Yes
Public Access
  • The NarrowsPublic
  • Sardis CovePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Lake Sardis Clayton

Compare lakeside cabins, hotels, and vacation rentals near Lake Sardis Clayton 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Lake Sardis Clayton are listed below.

Top-rated places to stay near Lake Sardis Clayton

Prices for Oct 30–Nov 1, 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 Lake Sardis Clayton → · more Oklahoma lake trips

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Fishing Lake Sardis Clayton

Based on 8 years of monitoring (2016–2025).

  • Water clarity

    Worsening

    2 years

  • Phosphorus

    Worsening

    +19.29 µg/L/yr6 years

See year-by-year chart →

Nearby Lakes in Pushmataha County

Frequently asked questions about Lake Sardis Clayton

Where is Lake Sardis Clayton?

Lake Sardis Clayton 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 Lake Sardis Clayton?

Lake Sardis Clayton in Pushmataha County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Phosphorus: 260 µg/L.

Measurements on this page ↑

Is Lake Sardis Clayton safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Are there boat ramps on Lake Sardis Clayton?

Lake Sardis Clayton has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include The Narrows, Sardis Cove. Public access is listed as yes.

Access on this page ↑

Can I fish at Lake Sardis Clayton?

Lake Sardis Clayton has 2 documented boat landings 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.

Access on this page ↑

Hypereutrophic Lakes in Oklahoma

Where this data comes from

1,585 measurements from 3 monitoring stations, 2019–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • The Choctaw Nation of Oklahoma (Tribal)CHOCNATWQX1,585 samples · 2019–2026

Analytical methods

  • Persulfate Digestion Method
  • Total Phosphorus in Water
  • Nitrogen, Kjeldahl - Simplified Spectrophotometric Measurement of Total Kjeldahl Nitrogen in Water and Wastewater
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

Named boat-access points from the USGS National Boat Ramps inventory