B74/100
ARANSAS BAY UTILITIES — Water Quality Report 2026
Serving 1,062 people · Missouri
Water Source
Groundwater
County
—
System ID
TX0040018
Violations
11
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – July 10, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 2, 2024 – September 10, 2024Enforcement: 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 ARANSAS BAY UTILITIES
Is ARANSAS BAY UTILITIES water safe to drink?
ARANSAS BAY UTILITIES water receives a grade of B (74/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ARANSAS BAY UTILITIES detected?
2 contaminants were tested in ARANSAS BAY UTILITIES's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does ARANSAS BAY UTILITIES have any EPA violations?
Yes, ARANSAS BAY UTILITIES has 11 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, TT. 1 are health-based violations.
How many people does ARANSAS BAY UTILITIES serve?
ARANSAS BAY UTILITIES serves approximately 1,062 people, Missouri.
What type of water does ARANSAS BAY UTILITIES provide?
ARANSAS BAY UTILITIES sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX0040018.
How does ARANSAS BAY UTILITIES compare to other utilities in Missouri?
ARANSAS BAY UTILITIES scores 74/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Missouri state page for a full comparison of water systems.