C45/100
CITY OF CORPUS CHRISTI — Water Quality Report 2026
Serving 318,387 people · Texas
Water Source
Surface Water
County
—
System ID
TX1780003
Violations
16
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
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 CORPUS CHRISTI
Is CITY OF CORPUS CHRISTI water safe to drink?
CITY OF CORPUS CHRISTI water receives a grade of C (45/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 16 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CITY OF CORPUS CHRISTI detected?
76 contaminants were tested in CITY OF CORPUS CHRISTI's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CITY OF CORPUS CHRISTI have any EPA violations?
Yes, CITY OF CORPUS CHRISTI has 16 EPA violation(s) on record, with the most recent in 2021. Violation types include TT, MR, MCL. 9 are health-based violations.
How many people does CITY OF CORPUS CHRISTI serve?
CITY OF CORPUS CHRISTI serves approximately 318,387 people, Texas.
What type of water does CITY OF CORPUS CHRISTI provide?
CITY OF CORPUS CHRISTI sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX1780003.
How does CITY OF CORPUS CHRISTI compare to other utilities in Texas?
CITY OF CORPUS CHRISTI scores 45/100 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.