Drinking water quality · 2024
· Verified
What's in Corpus Christi, TX tap water
24 contaminants were measured in the Corpus Christi, TX water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 24
- Over federal limit
- 0
- Approaching the limit
- 1
- Service area
- TX
PFAS — EPA UCMR5 (2023–2025)
4 PFAS compounds detected in Corpus Christi, TX
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
PFBA
● Detected (no federal limit)near national p90 (18 ng/L across detecting U.S. systems)
Lithium
● Detected (no federal limit)below national p90 (76.59999999999991 mg/L across detecting U.S. systems)
PFHxA
● Detected (no federal limit)below national p90 (12.190000000000003 ng/L across detecting U.S. systems)
PFPeA
● Detected (no federal limit)below national p90 (15.95999999999999 ng/L across detecting U.S. systems)
Where your water comes from · EPA SDWIS
Corpus Christi, TX's drinking water comes from surface water, drawn from 5 sources.
Source
- INTAKE 2 - SOUTH NUECES
- INTAKE 1 - NORTH NUECES
- PRE-SEDIMENTATION BASIN
- INTAKE 3 - LAKE TEXANA
- + 1 more
Treatment
- SWTP - STEVENS 1
- SWTP - STEVENS 2
- BOOSTER PLANT - SAND DOLLAR AVE
- + 1 more
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
3 contaminants historically over EPA limits in Corpus Christi, TX
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
TTHM worst: 2012 | 0.234 mg/L 2.9× | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
GROSS BETA worst: 2017 | 8.1 mrem/yr 2.0× | 4 mrem/yr | '17 |
CYANIDE worst: 2016 | 0.27 mg/L 1.4× 2.1× the national p90 | 0.2 mg/L | '14'15'16'17'18'19 |
HAA5 worst: 2015 | 0.0541 mg/L 90% | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
CHLORITE worst: 2017 | 0.74 mg/L within | 1 mg/L | '17'18'19 |
DEHP worst: 2017 | 0.002 mg/L within | 0.006 mg/L | '13'17 |
ARSENIC worst: 2013 | 0.0031 mg/L within below national p90 | 0.01 mg/L | '13'17 |
FLUORIDE worst: 2019 | 0.64 mg/L within | 4 mg/L | '12'13'14'15'16'17'18'19 |
ATRAZINE worst: 2017 | 0.00033 mg/L within below national p90 | 0.003 mg/L | '12'13'14'15'17'18'19 |
SELENIUM worst: 2013 | 0.0055 mg/L within | 0.05 mg/L | '13'17 |
NITRATE worst: 2019 | 0.78 mg/L within | 10 mg/L | '12'13'14'15'16'17'18'19 |
BARIUM worst: 2013 | 0.15 mg/L within near national p90 | 2 mg/L | '13'14'15'16'17'18'19 |
SIMAZINE worst: 2019 | 0.00008 mg/L within | 0.004 mg/L | '19 |
COPPER worst: 2012 | 0.912 mg/L near national p90 | — | '12'13'15'16'17 |
LEAD worst: 2012 | 0.0238 mg/L | — | '12'15'16'17 |
DBAA worst: 2012 | 0.0404 mg/L | — | '12'13'14'15'16'17'18'19 |
DCAA worst: 2012 | 0.0115 mg/L | — | '12'13'14'15'16'17'18'19 |
MBAA worst: 2012 | 0.003 mg/L | — | '12'13'14'15'16'17 |
MCAA worst: 2012 | 0.0049 mg/L | — | '12'15'17'18'19 |
TCAA worst: 2012 | 0.004 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMODICHLOROMETHANE worst: 2012 | 0.0329 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMOFORM worst: 2012 | 0.116 mg/L | — | '12'13'14'15'16'17'18'19 |
CHLOROFORM worst: 2012 | 0.0166 mg/L | — | '12'13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.0689 mg/L | — | '12'13'14'15'16'17'18'19 |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 3.41 mg/LAverageSystem-wide | 4 mg/LMRDL | Approaching the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1 ug/LHighest single sampleSystem-wide | 30 ug/LMCL | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Reported levelTotal Number of Positive Samples | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0.92 %MaximumSystem-wide | None set | Detected — no federal limit |
People also ask about Corpus Christi, TX's water
+Is Corpus Christi, TX tap water safe to drink in 2024?
Every one of the 24 contaminants measured in Corpus Christi, TX's 2024 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Corpus Christi, TX tap water?
24 contaminants were measured in Corpus Christi, TX's 2024 Consumer Confidence Report, spanning disinfection byproducts, metals, and inorganic chemicals. 14 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Are any contaminants in Corpus Christi, TX tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Chloramine. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Corpus Christi, TX's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Corpus Christi, TX's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.