B64/100
PORT OCONNOR IMPROVEMENT DISTRICT — Water Quality Report 2026
Serving 1,568 people · Texas
Water Source
Groundwater
County
—
System ID
TX0290065
Violations
17
Contaminant Test Results
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
Frequently Asked Questions About PORT OCONNOR IMPROVEMENT DISTRICT
Is PORT OCONNOR IMPROVEMENT DISTRICT water safe to drink?
PORT OCONNOR IMPROVEMENT DISTRICT water receives a grade of B (64/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has PORT OCONNOR IMPROVEMENT DISTRICT detected?
1 contaminants were tested in PORT OCONNOR IMPROVEMENT DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PORT OCONNOR IMPROVEMENT DISTRICT have any EPA violations?
Yes, PORT OCONNOR IMPROVEMENT DISTRICT has 17 EPA violation(s) on record, with the most recent in 2024. Violation types include MCL, MR, Other. 4 are health-based violations.
How many people does PORT OCONNOR IMPROVEMENT DISTRICT serve?
PORT OCONNOR IMPROVEMENT DISTRICT serves approximately 1,568 people, Texas.
What type of water does PORT OCONNOR IMPROVEMENT DISTRICT provide?
PORT OCONNOR IMPROVEMENT DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX0290065.
How does PORT OCONNOR IMPROVEMENT DISTRICT compare to other utilities in Texas?
PORT OCONNOR IMPROVEMENT DISTRICT scores 64/100 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.