Drinking water quality · 2024
· Verified
What's in College Station, TX tap water
17 contaminants were measured in the College Station, TX water system's 2024 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 17
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Total Dissolved Solids
- Service area
- TX
PFAS — EPA UCMR5 (2023–2025)
5 PFAS compounds detected in College Station, 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.
PFHxA
● Detected (no federal limit)below national p90 (12.190000000000003 ng/L across detecting U.S. systems)
Lithium
● Detected (no federal limit)below national p90 (76.59999999999991 mg/L across detecting U.S. systems)
PFBA
● Detected (no federal limit)below national p90 (18 ng/L across detecting U.S. systems)
PFPeA
● Detected (no federal limit)below national p90 (15.95999999999999 ng/L across detecting U.S. systems)
PFBS
● Detected (no federal limit)below national p90 (13.909999999999979 ng/L across detecting U.S. systems)
Where your water comes from · EPA SDWIS
College Station, TX's drinking water comes from ground water, drawn from 10 sources.
Source
- 1 - FM
- 2 - W OF
- 3 - W OF
- 5 - W OF
- + 6 more
Treatment
- PLANT - DOWLING
Distribution
Also buys water from CITY OF BRYAN, TEXAS A&M UNIVERSITY MAIN CAMPUS.
Historical readings · EPA Six-Year Review (2012–2019)
15 historically-detected contaminants in College Station, 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: 2014 | 0.0529 mg/L within | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
HAA5 worst: 2017 | 0.0074 mg/L within | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
FLUORIDE worst: 2014 | 0.48 mg/L within | 4 mg/L | '14'17 |
BARIUM worst: 2016 | 0.0876 mg/L within below national p90 | 2 mg/L | '16'17'19 |
NITRATE worst: 2016 | 0.41 mg/L within | 10 mg/L | '12'13'14'15'16'17'18 |
NITRATE NITRITE worst: 2015 | 0.17 mg/L within | 10 mg/L | '12'13'15 |
COPPER worst: 2012 | 0.169 mg/L below national p90 | — | '12'15'16'17'18'19 |
LEAD worst: 2012 | 0.0164 mg/L | — | '12'15'18'19 |
DBAA worst: 2012 | 0.0024 mg/L | — | '12'13'14'15'16'17'18'19 |
DCAA worst: 2013 | 0.001 mg/L | — | '13'17'19 |
MCAA worst: 2017 | 0.0053 mg/L | — | '17 |
BROMODICHLOROMETHANE worst: 2012 | 0.0046 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMOFORM worst: 2012 | 0.0132 mg/L | — | '12'13'14'15'16'17'18'19 |
CHLOROFORM worst: 2012 | 0.0012 mg/L | — | '12'13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.0111 mg/L | — | '12'13'14'15'16'17'18'19 |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 557 mg/LHighest single sampleSystem-wide | 1 mg/LMCL | At or above the limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 6.02 mg/LHighest single sampleSystem-wide | None set | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 1.66 mg/LAverageSystem-wide | 4 mg/LMRDL | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 2.2–2.2 ug/LRangeSystem-wide | 10 ug/LMCL | Within the limit |
| SeleniumA trace element from natural deposits and industrial discharge. | 7.6 ug/LReported levelSystem-wide | 50 ug/LMCL | Within the limit |
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 13.7–13.7 ug/LRangeSystem-wide | 100 ug/LMCL | Within the limit |
People also ask about College Station, TX's water
+Is College Station, TX tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the College Station, TX water utility lists 1 contaminant at or above the federal limit: Total Dissolved Solids. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in College Station, TX tap water?
17 contaminants were measured in College Station, TX's 2024 Consumer Confidence Report, spanning metals, pfas ("forever chemicals"), and disinfection byproducts. 9 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in College Station, TX tap water?
One contaminant in College Station, TX's 2024 report sits at or above the federal limit: Total Dissolved Solids (557.0× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in College Station, TX tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is Total Dissolved Solids, at 557.0× the federal threshold. It belongs to the physical & aggregate family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from College Station, 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 College Station, 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.