B76/100

CITY OF NAVASOTA — Water Quality Report 2026

Serving 8,068 people · Texas

Water Source
Groundwater
County
System ID
TX0930001
Violations
16

Contaminant Test Results

EPA Violation History

7

Violations (last 5yr)

1

Unresolved

1

Health-Related

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: August 16, 2025 – September 26, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved

Disinfection byproduct treatment technique failure

When: May 15, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Reporting violation

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

When: October 17, 2024 – April 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Treatment technique violation

When: October 17, 2024 – April 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 21, 2024 – September 26, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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: May 14, 2024 – August 21, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
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: May 17, 2023 – September 6, 2023Rule: Consumer Confidence 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 NAVASOTA

Is CITY OF NAVASOTA water safe to drink?

CITY OF NAVASOTA water receives a grade of B (76/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.

What contaminants has CITY OF NAVASOTA detected?

31 contaminants were tested in CITY OF NAVASOTA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does CITY OF NAVASOTA have any EPA violations?

Yes, CITY OF NAVASOTA has 16 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 2 are health-based violations.

How many people does CITY OF NAVASOTA serve?

CITY OF NAVASOTA serves approximately 8,068 people, Texas.

What type of water does CITY OF NAVASOTA provide?

CITY OF NAVASOTA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX0930001.

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

CITY OF NAVASOTA scores 76/100 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.