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Federal water data

County water report

Culberson County Water Report

Drinking-water compliance, watershed health, monitoring records, and river conditions for Culberson County, Texas.

Water grade

F

Water score

34.7

State rank

#106

of 254

Health violations

1

EPA SDWIS, 5-year lookback

Watershed impaired

Not reported

EPA ATTAINS coverage varies by state

Monitoring sites

N/A

EPA Water Quality Portal

Live streamflow

No gauge

Primary USGS station not mapped

Water at a glance

Key Water Indicators for Culberson County

EPA SDWIS

Safety Grade

F

Score: 34.7 / 100

EPA SDWIS

Active Violations

1

5-year health-based lookback

EPA ATTAINS

Watershed Health

Not reported

Coverage varies by state

USGS NWIS

Streamflow Snapshot

No gauge

Primary USGS gauge not mapped

EPA WQP

Monitoring Sites

N/A

Rolling 5-year window

Source: EPA SDWIS · Safe Drinking Water Information System

Drinking Water Compliance

Compliance grade

F

Based on EPA SDWIS compliance history.

Water score

Higher scores indicate cleaner recent compliance records.

34.7/100

Health violations

1

Health-based violations

Violations per 100K served

47.7

Population-normalized SDWIS rate

Editorial analysis

Understanding Culberson County’s Water

Drinking Water Quality Overview

EPA SDWIS

Culberson County's water systems carry a failing grade, scoring 34.7 out of 100. Over the past five years, EPA SDWIS records 1 health-based violation — a single incident worth monitoring.

Editorial advisory

What the data suggests for Culberson County

Water Verdict

Culberson County receives a poor water quality assessment with a grade of F and a score of 34.7 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

Culberson County has recorded 1 health-based violation, meaning the water system experienced at least one exceedance of federal contaminant limits or treatment requirements. At 47.7 violations per 100,000 people served, this rate is high and signals significant water quality management issues.

Consumer Guidance

Drinking-water compliance in Culberson County is rated Grade F, reflecting significant health-based violations in the recent reporting period. Culberson County's drinking-water compliance score is 34.7 out of 100. The violation rate for Culberson County is 47.7 per 100,000 people served. An NSF 53 or NSF 58-certified filter is recommended for drinking and cooking water. Check the Consumer Confidence Report from your utility to identify the specific contaminants and required corrective actions — utilities are legally required to notify customers of violations.

Regional Context

Culberson County has water quality close to the average county in Texas. Its water score is within 4.3 points of the state average, meaning its overall water system performance is broadly representative of Texas as a whole.

Advisory text summarizes county-level public records and is not a replacement for your utility's current Consumer Confidence Report or direct local notices.

Contaminants & Resources

Key issues flagged in Culberson County's water environment

Official EPA Resources for Culberson County

EPA How's My Waterway

Interactive watershed health data for Culberson County

EPA ECHO: Drinking Water Systems

Search water utilities and violation records for Culberson County

Consumer Confidence Reports (TX)

Annual water quality reports from utilities in Texas

Free tool

Estimate Your Water Costs

Water Cost Estimate

3

3 people  ·  ~225 gal/day

Annual Total

$558

Monthly

$47

Water Bill

$558/yr

Filter Cost

$0/yr

Safety Grade for Culberson County:F — Failing

High violation count or severe watershed conditions.

Estimates use the national average residential water rate ($0.0068/gal, EPA/AWWA 2023) and EPA WaterSense per-person consumption baseline (75 gal/person/day). Actual bills vary by utility, usage tier, and local infrastructure fees. For informational purposes only.

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Frequently Asked Questions

What is the water quality in Culberson County, Texas?
Culberson County, Texas has a drinking-water quality grade of F with a score of 34.7/100, based on EPA SDWIS compliance data. The county has 1 health-based drinking water violation over the past 5 years. Watershed health, monitoring records, and streamflow snapshots are reported separately on this page.
Are there any water violations in Culberson County?
Culberson County has 1 health-based drinking water violation 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 does Culberson County water compare to the Texas average?
Culberson County's SDWIS water quality score of 34.7/100 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 Culberson County?
Based on EPA SDWIS data, Culberson County has a water quality grade of F (34.7/100). This indicates below-average compliance with significant violations. Residents may want to consider home water filtration or independent testing. 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).
Does Culberson County have clean drinking water?
Culberson County has 1 health-based drinking water violation according to EPA records. With a water quality score of 34.7/100 and grade F, the county's drinking water has had some compliance issues but continues to be monitored. Note: drinking-water compliance speaks to the public water system, not necessarily to the watershed itself — check the Watershed Health zone for ATTAINS §303(d) data.
How does Culberson County rank for water quality in Texas?
Culberson County ranks #106 out of 254 counties in Texas by SDWIS water quality score (1 = best). With a score of 34.7/100, it falls in the middle 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

Montague County

Texas

F

34.9

Water score

Webb County

Texas

F

34.9

Water score

Carson County

Texas

F

34.5

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.

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 Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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