Wright Patman Lake Site
Cass County, TexasView mapDirections
TCEQ publishes the water-quality measurements for Wright Patman Lake Site. Here is what has been measured.
- Eutrophic
- Public access
Wright Patman Lake Site in Cass County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 1.8 ft visibility. Phosphorus: 84.7 µg/L. Chlorophyll-a (algae): 23.4 µg/L.
Wright Patman Lake Site is a productive, nutrient-rich eutrophic lake in Cass County, Texas. Limited fish-species data available. Public access is available with 5 public boat landings.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2025-09-15. Methodology: how these readings are compared.
What Wright Patman Lake Site is good for
From access and monitoring records, not editorial picks.
- Boat launch5 documented ramps
- Camping2 public campgrounds nearby
Swimming conditions
Readings onlyAlgae risk
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 Wright Patman Lake Site is safe to swim in today is a call for the Texas Commission on Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Wright Patman Lake Site
These are the measurements TCEQ publishes for Wright Patman Lake Site, 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 1.8 ft of visibility. Phosphorus 84.7 µg/L. Chlorophyll-a 23.4 µg/L. TSI 66.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 84.7µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 23.4µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 66 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Wright Patman Lake Site
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Piney PointPublic
- Cass County ParkPublic
- Co Rd 3560Public
- Rocky PointPublic
- Kelly Creek MarinaSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Wright Patman Lake Site
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
Stays via Stay22
Stays near Wright Patman Lake Site
Compare lakeside cabins, hotels, and vacation rentals near Wright Patman Lake Site in Cass County, Texas — 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 Wright Patman Lake Site are listed below.
Top-rated places to stay near Wright Patman Lake Site
Prices for Oct 23–25, 4 adults. Change dates on the map below.
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Fishing Wright Patman Lake Site
Nearby Lakes in Cass County
Frequently asked questions about Wright Patman Lake Site
Where is Wright Patman Lake Site?
- Wright Patman Lake Site is a lake in Cass County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Wright Patman Lake Site?
- Wright Patman Lake Site in Cass County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 1.8 ft visibility. Phosphorus: 84.7 µg/L. Chlorophyll-a (algae): 23.4 µg/L.
Is Wright Patman Lake Site safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Wright Patman Lake Site?
- Wright Patman Lake Site has 5 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Piney Point, Cass County Park, Co Rd 3560, Rocky Point, among others. Public access is listed as yes.
Can I fish at Wright Patman Lake Site?
- Wright Patman Lake Site has 5 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Texas's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Wright Patman Lake Site?
- Wright Patman Lake Site has 2 public campgrounds from USGS The National Map within 5 km, including Rocky Point(wright Patman Dam), Piney Point. 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.
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Where this data comes from
134 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Texas Commission on Environmental Quality
TCEQMAIN134 samples · 2020–2025
Monitoring station identifiers (2)
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
Public campgrounds from USGS The National Map Structures, within about 3 miles