What is the water quality grade for Wright Patman Lake?

Wright Patman Lake in Bowie County, Texas received a water quality grade of F (Very Poor). Water clarity: 1.3 ft visibility. Phosphorus: 110 µg/L. Chlorophyll-a (algae): 48.5 µg/L.

Is Wright Patman Lake safe to swim in?

Avoid swimming, very poor water quality, potential algae toxins. Wright Patman Lake has an overall water quality grade of F. Algae concentration (chlorophyll-a) is 48.5 µg/L. Always check local health department advisories before swimming.

Bowie County, Texas · 33.24°N

Wright Patman Lake

Grade FVery Poor · 1.3 ft clarity

Find places to stay →

Hypereutrophic

Wright Patman Lake is a highly nutrient-loaded hypereutrophic lake in Bowie County, Texas. Water quality is graded F based on 2 sampling years through 2025. Compared to the 1 other monitored lakes in Bowie County, Wright Patman Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2025-09-15. Grade methodology: LakeGrade methodology.

Watch Wright Patman Lake water quality

Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.

Swimming Safety

Avoid swimming, very poor water quality, potential algae toxins

Water Quality Grade: F, Very Poor

Very murky, less than 1.3 ft of visibility. Phosphorus level: 110 µg/L. Chlorophyll-a: 48.5 µg/L. Trophic State Index: 71.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1.3 ft	F
Phosphorus	110 µg/L	F
Chlorophyll-a (Algae)	48.5 µg/L	F
Trophic State Index (TSI)	71	Hypereutrophic

Very high nutrients, dense algae, poor clarity

Where to stay near Wright Patman Lake

Compare lakeside cabins, hotels, and vacation rentals near Wright Patman Lake in Bowie 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.

Top-rated places to stay near Wright Patman Lake

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 to Wright Patman Lake?

Get lake water-quality report cards plus the best cabin & lodging deals near Wright Patman Lake — straight to your inbox. No spam, unsubscribe anytime.