Lake Lawtonka
Comanche County, Oklahoma2,286 acresView mapDirections
Oklahoma DEQ publishes the water-quality measurements for Lake Lawtonka. Here is what has been measured.
- Impaired · Algal growth
- 82 ft max depth
- Public access
- Limited data
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Answers come straight from the public measurements and survey records on this page.
Lake Lawtonka in Comanche County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2.4 ft visibility. Surface area: 2286 acres.
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Lake Lawtonka is a 2,286-acre lake in Comanche County, Oklahoma with an estimated average depth of about 82 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, ODEQ, last sampled 2024-10-07. Grade methodology: LakeQuality methodology.
What Lake Lawtonka is good for
From access and monitoring records, not editorial picks.
- Boat launch3 documented ramps
- Big water2,286 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Lake Lawtonka is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth. Check local advisories before you swim.
Whether Lake Lawtonka 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 Lake Lawtonka
These are the measurements Oklahoma DEQ publishes for Lake Lawtonka, 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 2.4 ft of visibility. TSI 65.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.4 ft | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 65 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Current Conditions
USGS snapshot Sep 7, 2026, 3:30 PM from gauge 07309500 (Lake Lawtonka near Lawton, OK). Station page ↗ — a live reading replaces this snapshot when the gauge responds. Missing live data is not an all-clear.
→ Lake Lawtonka water level: the live USGS gauge reading
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~82 ft est. |
| Average Depth | ~44 ft est. |
| Surface Area | 2,286 acres |
| Public Access | Yes |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Oklahoma has not published bathymetry for Lake Lawtonka.
Lake Size & Watershed
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
- Lake LawtonkaPublic
- Sunken Bridge Yact ClubSemi-private
- Lawton CitySemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Lawtonka
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +5.371 m/yr | 5 |
Reservoir Info (USACE NID)
Lake Lawtonka is a man-made reservoir impounded by the Lawtonka Lake (completed 1939), built primarily for water supply on the Medicine Creek; gravity-type dam, 90 ft tall and 612 ft long.
- Surface area
- 2,286 ac
- Normal storage
- 54,698 ac-ft
- Max storage
- 88,665 ac-ft
- Drainage area
- 92 sq mi
- Hazard class
- High
- Owner
- City of Lawton
Source: USACE National Inventory of Dams, NID ID OK00450 · Operator website
EPA Impairment Status
Lake Lawtonka is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit OK311300040070_00 · Official waterbody report
Nearby Lakes in Comanche County
Frequently asked questions about Lake Lawtonka
Where is Lake Lawtonka?
- Lake Lawtonka is a lake in Comanche 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 Lawtonka?
- Lake Lawtonka in Comanche County, Oklahoma has water-quality measurements published by Oklahoma DEQ, shown here as reported. Water clarity: 2.4 ft visibility. Surface area: 2286 acres.
Is Lake Lawtonka safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Lawtonka is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth. Check local advisories before you swim.
How deep is Lake Lawtonka?
- No published bathymetric survey covers Lake Lawtonka, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 82 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 2286 acres.
What is the water level at Lake Lawtonka?
- The USGS snapshot on this page for Lake Lawtonka is 1338.07 ft of gage height, recorded Sep 7, 2026, 3:30 PM at gauge 07309500. Current Conditions hydrates a live NWIS reading from that same station when the gauge responds. A missed live fetch is not an all-clear.
Are there boat ramps on Lake Lawtonka?
- Lake Lawtonka has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake Lawtonka, Sunken Bridge Yact Club, Lawton City. Public access is listed as yes.
Explore Lake Lawtonka across LakeQuality
2 documented falls within 12.9 mi, nearest Cache Creek Falls
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Where this data comes from
61 measurements from 4 monitoring stations, 2016–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- OWRB Lakes Monitoring
OKWRB-LAKES_WQX61 samples · 2016–2024
Analytical methods
- OWRB Lakes Field Data Collection
- Determination of Turbidity
Monitoring station identifiers (4)
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