Public water system record
City of Corpus Christi
Serves Corpus Christi, Nueces County, TX · 318,387 people served
Federal records show 2 health-based violations and 1 monitoring/reporting issue for City of Corpus Christi in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 1
Key facts
- City of Corpus Christi draws water from 5 surface water intakes.
- Most recent formal enforcement: compliance order with a penalty by Texas, May 2018.
- Record on file since 2002, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 106,303 service lines.
Check whether City of Corpus Christi serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2021 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2021 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
Full record since 2002
EPA's records for City of Corpus Christi go back to 2002. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 3 | 4 |
| 2010 to October 18, 2016 | 4 | 2 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 2 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2015, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2015 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.125 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
Apr 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.121 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
Jan 1, 2013 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Nov 1, 2009 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Nov 1, 2009 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
Enforcement actions
Texas regulators took 1 formal enforcement action against City of Corpus Christi and issued 2 boil water orders between 2007 and 2018. The most recent was a compliance order with a penalty in May 2018.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 14, 2018 | Texas | Compliance order with a penalty | 2 violations (2 health-based): Total Coliform |
| Jul 24, 2015 | Texas | Boil water order | 1 violation (1 health-based): Total Coliform |
| Aug 13, 2007 | Texas | Boil water order | 1 violation (1 health-based): Total Coliform |
What the violations mean
Interim Enhanced Surface Water Treatment Rule
2 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Where the water comes from
City of Corpus Christi draws water from 5 surface water intakes. 5 other community water systems and 6 smaller public systems such as schools, businesses or campgrounds buy water from City of Corpus Christi. 1 other public water system has an emergency connection to City of Corpus Christi.
Community systems that buy water from it
- Corpus Christi Naval Air Station Corpus Christi, TX
- Nueces County WCID 4 Port Aransas, TX
- San Patricio MWD Ingleside, TX
- South Texas Water Authority Kingsville, TX
- Violet WSC Robstown, TX
Annual water quality report
City of Corpus Christi must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.
Certified drinking water labs by state EPA guidance for private wells