waterbycounty
EPA SDWIS

El Paso County Water Quality

El Paso County, Texas

Water Grade

C

Water Score

60.6

Violations

58

State Rank

#35

of 254 (1 = best)

EPA SDWIS Compliance

Drinking Water Quality

Water Quality Grade

C

Based on EPA compliance history and violation data

Water Score

60.6/100

Higher = better quality

Health Violations

58

Health-based violations

Violation Rate

6.1%

Systems with violations

Water Advisory: El Paso County

Water Verdict

El Paso County receives a fair water quality assessment with a grade of C and a score of 60.6 out of 100. The water supply meets baseline federal standards, but there may be periods of elevated contaminant levels or infrastructure concerns worth monitoring.

Violation Context

El Paso County has recorded 58 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 6.1 violations per 1,000 residents, this rate is moderate and suggests recurring water quality challenges.

Consumer Guidance

Tap water in El Paso County meets baseline standards, but residents who are immunocompromised or have young children may want to use an NSF-certified water filter as a precaution. With 58 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

El Paso County has better water quality than the average county in Texas. Its water score is 30.2 points higher than the state average, indicating stronger water system performance relative to neighboring counties.

Past 5 years

Water Quality Monitoring

Monitoring Sites

9

Active in the past 5 years

Measurements Recorded

10K

10,446 total readings

Most Measured

  • Organics, Pesticide
  • Physical
  • Nutrient

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).

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Frequently Asked Questions

What is the water quality in El Paso County, Texas?
El Paso County, Texas has a drinking-water quality grade of C with a score of 60.6/100, based on EPA SDWIS compliance data. The county has 58 health-based drinking water violations over the past 5 years. Watershed health, monitoring records, and live streamflow are reported separately on this page.
Are there any water violations in El Paso County?
El Paso County has 58 health-based drinking water violations recorded by the EPA over the past 5 years. Health-based violations indicate instances where contaminant levels exceeded EPA Maximum Contaminant Levels (MCLs). Violations may have been resolved — check with your local water utility for current status.
How much water-quality monitoring happens in El Paso County?
EPA's Water Quality Portal records 10,446 measurements from 9 monitoring sites in El Paso County over the past five years. The most frequently measured characteristic groups are Organics, Pesticide, Physical, Nutrient. Each measurement is a single sample analyzed for one characteristic (E. coli, pH, dissolved oxygen, etc.). High monitoring density means more scientific evidence behind any reported signal — it does not by itself indicate water quality.
How does El Paso County water compare to the Texas average?
El Paso County's SDWIS water quality score of 60.6/100 is higher than the Texas state average of 30.4. The average water quality grade across Texas is F, based on data from 254 counties with available SDWIS data.
Is tap water safe to drink in El Paso County?
Based on EPA SDWIS data, El Paso County has a water quality grade of C (60.6/100). This indicates moderate compliance. Some violations have been recorded but overall standards are maintained. The grade speaks to the public water system, not the watershed — for watershed-level concerns, see the Watershed Health zone. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).
Why does El Paso County have so many water violations?
El Paso County has 58 health-based drinking water violations on record from the EPA SDWIS database. A higher violation count can result from aging infrastructure, underfunded water utilities, agricultural runoff contamination, or industrial pollution. Counties with more water systems may also see more violations simply due to scale. Residents concerned about water quality should consider independent water testing and home filtration systems.
How does El Paso County rank for water quality in Texas?
El Paso County ranks #35 out of 254 counties in Texas by SDWIS water quality score (1 = best). With a score of 60.6/100, it falls in the top third of counties statewide. The ranking reflects EPA SDWIS compliance only — not watershed impairment, monitoring density, or streamflow, which are tracked separately on this page.

Counties with Similar Water Quality

Guadalupe County

Texas

C

60.1

Water score

DeWitt County

Texas

C

61.2

Water score

Bowie County

Texas

C

61.5

Water score

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.

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.

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

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