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Federal water data

County water report

Lamb County Water Report

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

Water grade

F

Water score

16.8

State rank

#154

of 254

Health violations

19

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 Lamb County

EPA SDWIS

Safety Grade

F

Score: 16.8 / 100

EPA SDWIS

Active Violations

19

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.

16.8/100

Health violations

19

Health-based violations

Violations per 100K served

166.2

Population-normalized SDWIS rate

Editorial analysis

Understanding Lamb County’s Water

Drinking Water Quality Overview

EPA SDWIS

Lamb County's water systems carry a failing grade, scoring 16.8 out of 100. Over the past five years, EPA SDWIS records 19 health-based violations — a pattern that public water utilities are required to disclose and correct.

Editorial advisory

What the data suggests for Lamb County

Water Verdict

Lamb County receives a poor water quality assessment with a grade of F and a score of 16.8 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

Lamb County has recorded 19 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 166.2 violations per 100,000 people served, this rate is high and signals significant water quality management issues.

Consumer Guidance

Drinking-water compliance in Lamb County is rated Grade F, reflecting significant health-based violations in the recent reporting period. Lamb County's drinking-water compliance score is 16.8 out of 100. 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

Lamb County has poorer water quality than the average county in Texas. Its water score is 13.6 points lower than the state average, suggesting more challenges with contamination control or infrastructure than neighboring counties.

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 Lamb County's water environment

Official EPA Resources for Lamb County

EPA How's My Waterway

Interactive watershed health data for Lamb County

EPA ECHO: Drinking Water Systems

Search water utilities and violation records for Lamb 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 Lamb 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 Lamb County, Texas?
Lamb County, Texas has a drinking-water quality grade of F with a score of 16.8/100, based on EPA SDWIS compliance data. The county has 19 health-based drinking water violations over the past 5 years. Watershed health, monitoring records, and streamflow snapshots are reported separately on this page.
Are there any water violations in Lamb County?
Lamb County has 19 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 does Lamb County water compare to the Texas average?
Lamb County's SDWIS water quality score of 16.8/100 is lower 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 Lamb County?
Based on EPA SDWIS data, Lamb County has a water quality grade of F (16.8/100). 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).
Why does Lamb County have so many water violations?
Lamb County has 19 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 Lamb County rank for water quality in Texas?
Lamb County ranks #154 out of 254 counties in Texas by SDWIS water quality score (1 = best). With a score of 16.8/100, 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

Cottle County

Texas

F

16.6

Water score

Parker County

Texas

F

16.5

Water score

Crosby County

Texas

F

17.2

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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