White Rock Lake is a productive, nutrient-rich eutrophic lake in Dallas County, Texas. Water quality is graded D based on 2 sampling years through 2025. Compared to the 1 other monitored lakes in Dallas County, White Rock Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2025-12-10. Grade methodology: LakeGrade methodology.
Watch White Rock Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 1.7 ft of visibility. Phosphorus level: 80 µg/L. Chlorophyll-a: 57.6 µg/L. Trophic State Index: 69.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.7 ft | F |
| Phosphorus | 80 µg/L | D |
| Chlorophyll-a (Algae) | 57.6 µg/L | F |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near White Rock Lake
Compare lakeside cabins, hotels, and vacation rentals near White Rock Lake in Dallas 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 White Rock 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 White Rock Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near White Rock Lake — straight to your inbox. No spam, unsubscribe anytime.
Fishing White Rock Lake
Location
County Ranking
Ranked #2 of 2 lakes in Dallas County
Cleaner Lakes Within 30 Miles
White Rock Lake holds Grade D. 4 nearby lakes hold higher grades.
- CGrapevine LakeTarrant County · 25 mi · Higher grade (D → C)
- CLewisville Lake SiteDenton County · 21.8 mi · Higher grade (D → C)
- CGrapevine Reservoir Mid LakeTarrant County · 22.2 mi · Higher grade (D → C)
- DLake Ray HubbardRockwall County · 12.8 mi · Higher overall water quality score
Nearby Lakes in Dallas County
Explore White Rock Lake across LakeGrade
More Texas Lake Rankings
Other Grade D Lakes in Texas
Eutrophic Lakes in Texas
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-12-10
Monitoring stations: 1