Lake Kiowa
Cooke County, Texas560 acresView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- 40 ft max depth
- Limited data
Lake Kiowa in Cooke County, Texas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 0.8 ft visibility. Phosphorus: 49 µg/L. Chlorophyll-a (algae): 47 µg/L. Surface area: 560 acres.
- Clarity
- 0.8 ft
- Max depth
- ~40 ft est.
- Area
- 560 acres
- Phosphorus
- 49 µg/L
- Chlorophyll-a
- 47 µg/L
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Watch Lake Kiowa’s letter
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Why Lake Kiowa has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Lake Kiowa, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by TCEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Kiowa is a 560-acre lake in Cooke County, Texas with an estimated average depth of about 40 feet.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2020-07-30. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Lake Kiowa
These readings exist but are not enough for an A–F grade — see why.
Very murky, less than 0.8 ft of visibility. Phosphorus 49 µg/L. Chlorophyll-a 47 µg/L. TSI 70.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.8 ft | Not graded |
| Phosphorus | 49 µg/L | Not graded |
| Chlorophyll-a (Algae) | 47 µg/L | Not graded |
| Trophic State Index (TSI) | 70 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~40 ft est. |
| Average Depth | ~9 ft est. |
| Surface Area | 560 acres |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Texas has not published bathymetry for Lake Kiowa.
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.
Fishing Lake Kiowa
Reservoir Info (USACE NID)
Lake Kiowa is a man-made reservoir impounded by the Lake Kiowa Dam (completed 1970), built primarily for recreation on the Indian Creek; earth-type dam, 38 ft tall and 2,400 ft long.
- Surface area
- 560 ac
- Normal storage
- 7,000 ac-ft
- Max storage
- 16,000 ac-ft
- Drainage area
- 16.6 sq mi
- Hazard class
- Significant
- Owner
- LAKE KIOWA PROPERTY OWNERS ASSOCIATION INC
Source: USACE National Inventory of Dams, NID ID TX00536 · Operator website
Graded lakes near Lake Kiowa
Lake Kiowa has no grade, but these lakes within a short drive do.
Nearby Lakes in Cooke County
Frequently asked questions about Lake Kiowa
Where is Lake Kiowa?
- Lake Kiowa is a lake in Cooke County, Texas. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Lake Kiowa?
- Lake Kiowa in Cooke County, Texas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 0.8 ft visibility. Phosphorus: 49 µg/L. Chlorophyll-a (algae): 47 µg/L. Surface area: 560 acres.
Is Lake Kiowa safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Lake Kiowa?
- No published bathymetric survey covers Lake Kiowa, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 40 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 560 acres.
Explore Lake Kiowa across LakeQuality
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Where this data comes from
4 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Texas Water Science Center
USGS-TX4 samples · 2020
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)