TapSafetyReport
B69/100

CITY OF DUMAS — Water Quality Report 2026

Serving 14,290 people · Texas

Water Source
Groundwater
County
—
System ID
TX1710001
Violations
16

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.002 mg/L0.015 mg/LAbove Goal

EPA Violation History

6

Violations (last 5yr)

1

Unresolved

0

Health-Related

TIER 3Unresolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 29, 2025Rule: Ground Water RuleVerify on EPA.gov
TIER 3Resolved

Failed to conduct Level 1 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 24, 2025 – March 21, 2025Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – July 9, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2023 – July 9, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2023 – October 26, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 4, 2021 – July 2, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About CITY OF DUMAS

Is CITY OF DUMAS water safe to drink?

CITY OF DUMAS water receives a grade of B (69/100), which is considered good. Out of 73 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has CITY OF DUMAS detected?

73 contaminants were tested in CITY OF DUMAS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does CITY OF DUMAS have any EPA violations?

Yes, CITY OF DUMAS has 16 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, TT. 3 are health-based violations.

How many people does CITY OF DUMAS serve?

CITY OF DUMAS serves approximately 14,290 people, Texas.

What type of water does CITY OF DUMAS provide?

CITY OF DUMAS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1710001.

How does CITY OF DUMAS compare to other utilities in Texas?

CITY OF DUMAS scores 69/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Texas state page for a full comparison of water systems.