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Review government records associated with Lago Vista, Texas.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Lago Vista, TX from EPA SDWIS.
City of Lago Vista
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 8,698 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Mar 2024.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Lago Vista drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
No health-relevant impairment records shown among the assessment records in this report.
Reviewed: source records as of 2026
Reviewed: source records as of Q4 2025
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Travis County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
No EPA nonattainment designation records shown for this report.
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Austin Audubon Society — Leander, Texas
Annual mean: 0.042 Parts per million
EPA primary exceedance count: 1 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 15.4 Micrograms/cubic meter (25 C)
Observation year: 2025
Annual mean: 7.0 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
No MSHA mine or extraction site records shown for this report.
Travis County, TX
EPA Radon Zone Map (June 2024 release)
Travis County is EPA Radon Zone 3 (low potential). EPA defines Zone 3 counties as having predicted average indoor screening levels below 2 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Minimal flood hazard — outside the 1% and 0.2% annual chance floodplains.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
EPA ECHO lists facilities linked to the Risk Management Program. Results include facilities with locations that can be matched. Records may be historical. Current operations, chemical inventories, and recent accident history are unverified.
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Travis County, TexasPop. 1,326,436
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 5,448 | 7,875 | 7,972 |
| Poor or Fair Health | 14.1% | 17.9% | 14.2% |
| Poor Physical Health Days | 3.1 | 3.3 | 3.3 |
| Poor Mental Health Days | 5.0 | 4.6 | 4.8 |
| Adult Smoking | 10.7% | 13.3% | 15.0% |
| Adult Obesity | 28.0% | 36.2% | 34.0% |
| Air Pollution - Particulate Matter | 9.5 | 8.6 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 9.3% | 11.0% | 9.6% |
| Life Expectancy | 80.6 | 77.2 | 77.6 |
EPA testing found PFAS in water samples from the City of Lago Vista. Results dated Mar 19, 2024 include PFBA at 0.0067 to 0.0074 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 20 violations for the City of Lago Vista, including 6 marked active.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Lago Vista.
The monitoring station at Austin Audubon Society, Leander, Texas recorded an annual average of 0.042 Parts per million for ozone in 2025.
The monitoring station at Austin Audubon Society, Leander, Texas recorded an annual average of 15.4 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at Austin Audubon Society, Leander, Texas recorded an annual average of 7 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Lago Vista covers Travis County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Lago Vista reports a life expectancy of 80.6 years in Travis County, Texas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Lago Vista reports 5,448 years of life lost to deaths before age 75 per 100,000 residents in Travis County, Texas. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Lago Vista lists fine-particle pollution (PM2.5) at 9.5 micrograms per cubic meter in Travis County, Texas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.