Skip to main content
LakeQuality

Robert S Kerr Reservoir

Sequoyah County, OklahomaView mapDirections

Oklahoma DEQ publishes the water-quality measurements for Robert S Kerr Reservoir. Here is what has been measured.

Clarity
1.3 ft
Secchi · sampled 2021
Max depth
~66 ft est.
GLOBathy model
  • Impaired · Turbidity
  • 66 ft max depth
  • Public access
  • Limited data

Ask about Robert S Kerr Reservoir

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

Robert S Kerr Reservoir in Sequoyah County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 1.3 ft visibility.

Loading map…

Stays via Stay22

Stays near Robert S Kerr Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Robert S Kerr Reservoir in Sequoyah 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 Robert S Kerr Reservoir

Prices for Sep 18–20, 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 Robert S Kerr Reservoir · more Oklahoma lake trips

Follow Robert S Kerr Reservoir’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Robert S Kerr Reservoir is a lake in Sequoyah County, Oklahoma with an estimated average depth of about 66 feet. Limited fish-species data available. Public access is available with 9 public boat landings.

Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2021-09-13. Grade methodology: LakeQuality methodology.

What Robert S Kerr Reservoir is good for

From access and monitoring records, not editorial picks.

  • Boat launch9 documented ramps

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Robert S Kerr Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for turbidity. Check local advisories before you swim.

Whether Robert S Kerr Reservoir 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.

Get alerts for Robert S Kerr Reservoir

Water quality measurements for Robert S Kerr Reservoir

These are the measurements Oklahoma DEQ publishes for Robert S Kerr Reservoir, 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 1.3 ft of visibility. TSI 74.

MetricValueEPA condition class
Water Clarity (Secchi Depth)1.3 ftMeasured, not scored
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)74Hypereutrophic

Very high nutrients, dense algae, poor clarity

Lake Details

CharacteristicValue
Maximum Depth~66 ft est.
Average Depth~16 ft est.
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 Robert S Kerr Reservoir.

Lake Size & Watershed

Watershed (drainage) area
144,991 sq mi
Surface area
33,460 acres
Shoreline
123.2 mi
Elevation
469 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

9
Boat Landings
Yes
Public Access
  • Keota LandingPublic
  • Little SansboisPublic
  • Short Mountain CovePublic
  • Applegate CovePublic
  • Cowlington PointPublic
  • Tamaha ParkPublic

Showing 6 of 9 documented landings from the USGS National Boat Ramps inventory.

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

Fishing Robert S Kerr Reservoir

EPA Impairment Status

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

Causes of impairment

Turbidity

Source: EPA ATTAINS assessment unit OK220200020020_00 · Official waterbody report

Nearby Lakes in Sequoyah County

Frequently asked questions about Robert S Kerr Reservoir

Where is Robert S Kerr Reservoir?

Robert S Kerr Reservoir is a lake in Sequoyah County, Oklahoma. Its water-quality measurements are published by Oklahoma DEQ and shown on this page as reported.

What is the water quality of Robert S Kerr Reservoir?

Robert S Kerr Reservoir in Sequoyah County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 1.3 ft visibility.

Is Robert S Kerr Reservoir safe to swim in?

Nutrient and algae readings are not a swimming clearance. Robert S Kerr Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for turbidity. Check local advisories before you swim.

How deep is Robert S Kerr Reservoir?

No published bathymetric survey covers Robert S Kerr Reservoir, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 66 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

Are there boat ramps on Robert S Kerr Reservoir?

Robert S Kerr Reservoir has 9 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Keota Landing, Little Sansbois, Short Mountain Cove, Applegate Cove, among others. Public access is listed as yes.

Where this data comes from

47 measurements from 6 monitoring stations, 2016–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • OWRB Lakes MonitoringOKWRB-LAKES_WQX47 samples · 2016–2021

Analytical methods

  • OWRB Lakes Field Data Collection
  • Determination of Turbidity
Monitoring station identifiers (6)

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