B64/100
Port O Connor Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,568 residents · Texas
What's In Port O Connor's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
2
Health-Related
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: 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
PORT OCONNOR IMPROVEMENT DISTRICT
Population Served
1,568
Water Source
Groundwater
System ID
TX0290065
Frequently Asked Questions About Port O Connor Water
Is Port O Connor tap water safe to drink?
Port O Connor, Texas tap water receives a grade of B (64/100), which is considered good. Out of 1 contaminants tested, none 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 Port O Connor's water?
Of the 1 contaminants tested in Port O Connor's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Port O Connor have any water quality violations?
Yes, Port O Connor has 17 EPA violation(s) on record, with the most recent in 2024. Violation types include MCL, MR, Other. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Port O Connor?
Port O Connor water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Port O Connor's tap water come from?
Port O Connor's drinking water is sourced from groundwater and supplied by PORT OCONNOR IMPROVEMENT DISTRICT. The system serves approximately 1,568 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Port O Connor'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. Port O Connor'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 Port O Connor's water compare to other cities in Texas?
Port O Connor's water quality score of 64/100 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 Port O Connor's water quality?
If you have concerns about Port O Connor'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 (PORT OCONNOR IMPROVEMENT DISTRICT) 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.