Historical Data Review for Sam Rayburn Reservoirenvronmental quality; water quality;https://www.tceq.texas.gov/downloads/water-quality/tmdl/sam-rayburn-aquatic-life-assessment-36/historical-data-review-for-sam-rayburn-reservoir/viewhttps://www.tceq.texas.gov/@@site-logo/TCEQ-logo-header.png