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LakeQuality

Cedar Lake

Le Flore County, Oklahoma91 acresView mapDirections

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

Clarity
3.1 ft
Secchi · sampled 2021
Max depth
~14 ft est.
GLOBathy model
Area
91 acres
Surface area
Trend
Improving
2 years of samples
  • Impaired · Mercury
  • 14 ft max depth
  • Public access
  • Limited data

Ask about Cedar Lake

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

Cedar Lake in Le Flore County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 3.1 ft visibility. Surface area: 91 acres.

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Cedar Lake is a 91-acre lake in Le Flore County, Oklahoma with an estimated average depth of about 14 feet. 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 2021-09-13. Grade methodology: LakeQuality methodology.

What Cedar Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp
  • Camping3 public campgrounds nearby

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Cedar Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.

Whether Cedar 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.

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Water quality measurements for Cedar Lake

These are the measurements Oklahoma DEQ publishes for Cedar 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 3.1 ft of visibility. TSI 61.

MetricValueEPA condition class
Water Clarity (Secchi Depth)3.1 ftMeasured, not scored
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)61Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth~14 ft est.
Surface Area91 acres
Public AccessYes

Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Oklahoma has not published bathymetry for Cedar Lake.

Lake Size & Watershed

Watershed (drainage) area
11 sq mi
Shoreline
1.7 mi
Elevation
748 ft

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.

Recreation & Access

1
Boat Landings
Yes
Public Access
3
Campgrounds
  • Cedar LakePublic

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

Public campgrounds near Cedar Lake

  • Cedar Lake0.5 km
  • Cedar Lake1.4 km
  • Cedar Lake2.6 km

Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes

Fishing Cedar Lake

Based on 2 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+12.7 m/yr2

Reservoir Info (USACE NID)

Cedar Lake is a man-made reservoir impounded by the Big Cedar Creek (completed 1940), built primarily for recreation on the Big Cedar Creek; earth-type dam, 55 ft tall and 815 ft long.

Surface area
91 ac
Normal storage
1,217 ac-ft
Max storage
1,372 ac-ft
Drainage area
10 sq mi
Hazard class
High
Owner
USDA FS

All listed purposes: Recreation;Fish and Wildlife Pond.

Source: USACE National Inventory of Dams, NID ID OK02303 · Operator website

EPA Impairment Status

Cedar Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

MercuryOxygen depletion (low DO)pH / acidity

Source: EPA ATTAINS assessment unit OK220100020060_00 · Official waterbody report

Nearby Lakes in Le Flore County

Frequently asked questions about Cedar Lake

Where is Cedar Lake?

Cedar Lake is a lake in Le Flore County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.

What is the water quality of Cedar Lake?

Cedar Lake in Le Flore County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 3.1 ft visibility. Surface area: 91 acres.

Is Cedar Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Cedar Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.

How deep is Cedar Lake?

No published bathymetric survey covers Cedar Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 14 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 91 acres.

Are there boat ramps on Cedar Lake?

Cedar Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Cedar Lake. Public access is listed as yes.

Are there campgrounds on Cedar Lake?

Cedar Lake has 3 public campgrounds from USGS The National Map within 5 km, including Cedar Lake, Cedar Lake, Cedar Lake. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.

Where this data comes from

25 measurements from 3 monitoring stations, 2016–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • OWRB Lakes MonitoringOKWRB-LAKES_WQX25 samples · 2016–2021

Analytical methods

  • OWRB Lakes Field Data Collection
  • Determination of Turbidity
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

Lake size & watershed from HydroLAKES (HydroSHEDS)

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

Public campgrounds from USGS The National Map Structures, within about 3 miles