LRGV North and Central Watersheds
Stormwater Conference 2023, South Padre Island, Tx.
Raymondville Drain
Determine patterns with previous water quality data collection:
Total Phosphorus levels increased up to 1.8 mg/L
Water Quality for Phosphorus. The red line represents the screening level of 0.7 mg/L as per TCEQ standards. CRP collected 8 Samples, and TWDB-FWF collected six samples.
Example of Load duration curves for bacteria:
Load Duration Curve for Bacteria (E.Coli)
Hidalgo Willacy Main Drain
Determine patterns with previous water quality data collection
Total Phosphorus levels increased up to 2.36 mg/L
Water Quality for Phosphorus. The red line represents the screening level of 0.7 mg/L as per TCEQ standards. CRP collected 8 Samples, and TWDB-FWF collected six samples.
Example of Load duration curves for bacteria:
Load Duration Curve for Bacteria (E.Coli)
IBWC North Floodway
Determine patterns with previous water quality data collection
Total Phosphorus levels increased up to 1.27 mg/L
Water Quality for Phosphorus. The red line represents the screening level of 0.7 mg/L as per TCEQ standards. SWQMIS collected 18 Samples, and TWDB-FWF collected seven samples.
Example of Load duration curves for bacteria:
Load Duration Curve for Bacteria (E.Coli)
RTHS Stations
TWDB 1
Raymondville Drain
TWDB 2
Hidalgo Willacy Main Drain
TWDB 3
IBWC North Floodway
- Continuous water quality and stream stage heights.
- Address measurement bias
- Can be combined with derived flows to quantify contaminant loads
- Ability to characterize episodic events (e.g. spills, extreme weather)
- ADCP Calibration
E-Newsletter Q3
Project Time Line
18 months of monitoring. Start date pending approved QAPP. Project durations: 24-36 months
TWDB 2 and TWDB 1 Stations
RTHS Platform to view data results
Funding Provided by the Texas Commission on Environmental Quality through a Clean Water Act § 319(h) grant from the U.S. Environmental Protection Agency.
