A80/100
Navasota Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 33,985 residents · Texas
What's In Navasota's Tap Water?
54
Contaminants Tested
1
Exceed EPA Limits
0
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.005 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 29, 2024 – November 4, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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
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
Water Utility Details
CITY OF NAVASOTA
Population Served
8,068
Water Source
Groundwater
System ID
TX0930001
MONTGOMERY TRACE WATER SYSTEM
Population Served
25,917
Water Source
Groundwater
System ID
TX1700638
Frequently Asked Questions About Navasota Water
Is Navasota tap water safe to drink?
Navasota, Texas tap water receives a grade of A (80/100), which is considered excellent. Out of 54 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Navasota's water?
Of the 54 contaminants tested in Navasota's water supply, the most notable include PFOA. 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Navasota have any water quality violations?
Yes, Navasota has 19 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Navasota?
Based on EPA data, using a water filter in Navasota is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Navasota's tap water come from?
Navasota's drinking water is sourced from groundwater and supplied by CITY OF NAVASOTA and 1 other water system(s). The system serves approximately 33,985 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Navasota's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Navasota's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Navasota's water compare to other cities in Texas?
Navasota's water quality score of 80/100 earns a grade of A, which is considered excellent. This places Navasota among the better-performing water systems in Texas. Visit our Texas state page to see how all cities in the state compare.
What should I do if I'm concerned about Navasota's water quality?
If you have concerns about Navasota's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (CITY OF NAVASOTA) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.