C56/100
CITY OF SWEENY — Water Quality Report 2026
Serving 3,978 people · Texas
Water Source
Groundwater
County
—
System ID
TX0200009
Violations
21
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.05 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
3
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – June 30, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – December 31, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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: July 1, 2023 – January 18, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: December 19, 2021Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 CITY OF SWEENY
Is CITY OF SWEENY water safe to drink?
CITY OF SWEENY water receives a grade of C (56/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 21 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CITY OF SWEENY detected?
52 contaminants were tested in CITY OF SWEENY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CITY OF SWEENY have any EPA violations?
Yes, CITY OF SWEENY has 21 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, TT. 3 are health-based violations.
How many people does CITY OF SWEENY serve?
CITY OF SWEENY serves approximately 3,978 people, Texas.
What type of water does CITY OF SWEENY provide?
CITY OF SWEENY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX0200009.
How does CITY OF SWEENY compare to other utilities in Texas?
CITY OF SWEENY scores 56/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Texas state page for a full comparison of water systems.