Drinking water quality · 2024
· Verified
What's in Austin, TX tap water
17 contaminants were measured in the Austin, TX water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 17
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- TX
Where your water comes from · EPA SDWIS
Austin, TX's drinking water comes from ground water, drawn from 3 sources.
Source
- 1 - SH 29 / FRONT OF SUBDIV
- 2 - BACK OF SUBDIV
- 3 - WHISPERING OAKS RD / BACK OF SUBDIV
Treatment
- PLANT 1 - 105 BURNET HILL DR
- PLANT 2 - 105 BURNET HILL DR
- 3 - WISPERING OAKS RD
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
1 contaminant historically over EPA limits in Austin, 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) |
|---|---|---|---|
GROSS BETA worst: 2013 | 5.2 mrem/yr 1.3× | 4 mrem/yr | '13 |
RADIUM 226 228 worst: 2012 | 3.6 pCi/L within near national p90 | 5 pCi/L | '12'15'18 |
GROSS ALPHA worst: 2018 | 3 pCi/L within | 15 pCi/L | '18 |
FLUORIDE worst: 2013 | 0.782 mg/L within | 4 mg/L | '13'16'19 |
NITRATE worst: 2015 | 1.84 mg/L within | 10 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE NITRITE worst: 2015 | 1.84 mg/L within | 10 mg/L | '12'14'15 |
HAA5 worst: 2019 | 0.0086 mg/L within | 0.06 mg/L | '19 |
DICHLOROMETHANE worst: 2015 | 0.0007 mg/L within | 0.005 mg/L | '15 |
SELENIUM worst: 2015 | 0.0054 mg/L within | 0.05 mg/L | '15 |
CHROMIUM worst: 2013 | 0.00563 mg/L within near national p90 | 0.1 mg/L | '13 |
BARIUM worst: 2012 | 0.0877 mg/L within below national p90 | 2 mg/L | '12'13'15'18 |
DALAPON worst: 2013 | 0.00862 ug/L within 2.0× the national p90 | 200 ug/L | '13 |
URANIUM worst: 2015 | 0.0011 ug/L within below national p90 | 30 ug/L | '15'18 |
COPPER worst: 2012 | 0.01 mg/L below national p90 | — | '12'13'15'17 |
LEAD worst: 2013 | 0.000519 mg/L | — | '13'15'17 |
DBAA worst: 2019 | 0.002 mg/L | — | '19 |
DCAA worst: 2019 | 0.0013 mg/L | — | '19 |
MCAA worst: 2019 | 0.0053 mg/L | — | '19 |
BROMODICHLOROMETHANE worst: 2013 | 0.00229 mg/L | — | '13 |
CHLOROFORM worst: 2013 | 0.0465 mg/L | — | '13 |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 2.3 mg/LAverageSystem-wide | 4 mg/LMCL | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Cyanide | 50 ug/LAverageSystem-wide | 200 ug/LMCL | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| DibromochloromethaneA trihalomethane disinfection byproduct. | 10.3 ug/LAverageSystem-wide | 60 ug/LMCLG | Within the limit |
| BromoformA trihalomethane disinfection byproduct. | 1.7 ug/LAverageSystem-wide | 0 ug/LMCLG | Detected — no federal limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 45.5 ug/LAverageSystem-wide | None set | Detected — no federal limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Simazine | 0.03 ug/LAverageSystem-wide | 4 ug/LMCL | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 1.27AverageSystem-wide | None set | Detected — no federal limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.04 NTUAverageSystem-wide | None set | Detected — no federal limit |
People also ask about Austin, TX's water
+Is Austin, TX tap water safe to drink in 2024?
Every one of the 17 contaminants measured in Austin, 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 Austin, TX tap water?
17 contaminants were measured in Austin, TX's 2024 Consumer Confidence Report, spanning disinfection byproducts, inorganic chemicals, and metals. 13 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Austin, 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 Austin, 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.