B68/100
Tyler Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 201,698 residents · Texas
What's In Tyler's Tap Water?
70
Contaminants Tested
1
Exceed EPA Limits
0
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
1
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: December 30, 2023 – February 12, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Maximum Contaminant Level Violation
When: September 1, 2023 – September 30, 2023Rule: Total Coliform 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 TYLER
Population Served
107,000
Water Source
Surface Water
System ID
TX2120004
EAST TEXAS MUD OF SMITH COUNTY
Population Served
2,706
Water Source
Groundwater
System ID
TX2120005
DEAN WSC
Population Served
5,907
Water Source
Groundwater
System ID
TX2120009
JACKSON WSC
Population Served
5,532
Water Source
Groundwater
System ID
TX2120016
SAND FLAT WSC
Population Served
4,569
Water Source
Groundwater
System ID
TX2120020
BIG EDDY
Population Served
2,709
Water Source
Groundwater
System ID
TX2120037
SOUTHERN UTILITIES
Population Served
69,735
Water Source
Purchased Surface Water
System ID
TX2120063
HOLLY LAKE RANCH
Population Served
3,540
Water Source
Groundwater
System ID
TX2500012
Frequently Asked Questions About Tyler Water
Is Tyler tap water safe to drink?
Tyler, Texas tap water receives a grade of B (68/100), which is considered good. Out of 73 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 2 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 Tyler's water?
Of the 73 contaminants tested in Tyler's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Tyler have any water quality violations?
Yes, Tyler has 134 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, Other, MR. 27 of these are health-based violations, which are the most serious category.
Do I need a water filter in Tyler?
Based on EPA data, using a water filter in Tyler 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 Tyler's tap water come from?
Tyler's drinking water is sourced from surface water and supplied by CITY OF TYLER and 7 other water system(s). The system serves approximately 201,698 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Tyler'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. Tyler'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 Tyler's water compare to other cities in Texas?
Tyler's water quality score of 68/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Texas state page to see how all cities in the state compare.
What should I do if I'm concerned about Tyler's water quality?
If you have concerns about Tyler'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 TYLER) 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.