La Salle County Water Quality
La Salle County, Texas
Water Grade
F
Water Score
36.8
Violations
3
State Rank
#98
of 254 (1 = best)
EPA SDWIS Compliance
Drinking Water Quality
Water Quality Grade
F
Based on EPA compliance history and violation data
Water Score
36.8/100
Higher = better quality
Health Violations
3
Health-based violations
Violation Rate
41.2%
Systems with violations
Water Advisory: La Salle County
Water Verdict
La Salle County receives a poor water quality assessment with a grade of F and a score of 36.8 out of 100. The water supply has documented quality issues. Residents are strongly encouraged to use filtered or bottled water for drinking and to stay informed about utility improvement plans.
Violation Context
La Salle County has recorded 3 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 41.2 violations per 1,000 residents, this rate is high and signals significant water quality management issues.
Consumer Guidance
Residents of La Salle County are advised to use filtered or bottled water for drinking and cooking until water quality improves. A reverse-osmosis or activated-carbon filter certified to remove the contaminants listed in the utility's Consumer Confidence Report is recommended. With 3 recorded health violations, staying informed about utility communications and boil-water notices is especially important. For long-term peace of mind, request your utility's latest Consumer Confidence Report and consider independent water testing if you have specific health concerns.
Regional Context
La Salle County has better water quality than the average county in Texas. Its water score is 6.4 points higher than the state average, indicating stronger water system performance relative to neighboring counties.
Past 5 years
Water Quality Monitoring
Monitoring Sites
2
Active in the past 5 years
Measurements Recorded
182
182 total readings
Most Measured
- Physical
- Organics, Other
- Inorganics, Major, Non-metals
Categories measured most frequently
Data from the EPA Water Quality Portal (WQP), aggregating monitoring records from federal, state, and tribal sources. Each measurement represents a single sample analyzed for a specific characteristic (e.g., E. coli, pH, dissolved oxygen, nitrogen).
Live USGS Streamgage
River & Stream Conditions
Current Discharge
0.00cfs
May 14, 7:00 PM UTC
vs Long-Term Average
0%
Well below typicalPrimary Streamgage
Nueces Rv at Cotulla, TX
- USGS site
- 08194000
- Drainage area
- 5,171 sq mi
- Long-term mean
- 211 cfs
One representative streamgage (the one with the largest drainage area in the county). Many counties have multiple gauges — this view summarizes the primary one. The long-term mean is the full-record annual average; "% of typical" compares the latest reading against that average.
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Frequently Asked Questions
What is the water quality in La Salle County, Texas?
Are there any water violations in La Salle County?
How much water-quality monitoring happens in La Salle County?
What's happening with rivers in La Salle County right now?
How does La Salle County water compare to the Texas average?
Is tap water safe to drink in La Salle County?
Does La Salle County have clean drinking water?
How does La Salle County rank for water quality in Texas?
Counties with Similar Water Quality
Data Sources
Drinking-water compliance data from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.
Water-quality monitoring counts from the EPA Water Quality Portal (WQP) — federated USGS, EPA, and state agency sampling records over a rolling 5-year window.
Live streamflow from the USGS National Water Information System (NWIS) — continuous discharge measurements from the largest-drainage gauge in each county, compared against the full-record long-term annual mean.
Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.