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F0/100

CITY OF GRANITE SHOALS — Water Quality Report 2026

Serving 6,795 people · Texas

Water Source
Surface Water
County
—
System ID
TX0270049
Violations
100

Contaminant Test Results

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

EPA Violation History

13

Violations (last 5yr)

1

Unresolved

5

Health-Related

TIER 3Unresolved

Disinfection byproduct treatment technique failure

When: August 11, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Monitoring / Reporting Violation

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

When: January 1, 2024 – June 30, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: December 13, 2023 – January 5, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: November 16, 2023 – January 5, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: 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: July 1, 2023 – January 3, 2024Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: January 15, 2023 – May 5, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Monitoring / Reporting Violation

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

When: January 1, 2023 – June 30, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: January 1, 2022 – May 4, 2023Rule: 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 GRANITE SHOALS

Is CITY OF GRANITE SHOALS water safe to drink?

CITY OF GRANITE SHOALS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 100 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has CITY OF GRANITE SHOALS detected?

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

Does CITY OF GRANITE SHOALS have any EPA violations?

Yes, CITY OF GRANITE SHOALS has 100 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 46 are health-based violations.

How many people does CITY OF GRANITE SHOALS serve?

CITY OF GRANITE SHOALS serves approximately 6,795 people, Texas.

What type of water does CITY OF GRANITE SHOALS provide?

CITY OF GRANITE SHOALS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX0270049.

How does CITY OF GRANITE SHOALS compare to other utilities in Texas?

CITY OF GRANITE SHOALS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Texas state page for a full comparison of water systems.