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Review government records associated with Southlake, Texas.
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Preparing Southlake environmental records...
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 Southlake, TX from EPA SDWIS.
City of Southlake
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 31,576 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 Nov 2023 to Aug 2024.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
2 PFAS sample results above EPA limits
Sample period: Nov 2023
UCMR5 results are sampled by public water system, not every household. Confirm your water provider before treating these as tap-water results for a specific address.
| Chemical | Concentration (µg/L) | EPA Limit (µg/L) | Sample date | Over Limit |
|---|---|---|---|---|
| PFHxS | 0.0107 | 0.0100 | 2023-11-20 | Yes |
| PFOS | 0.0041 | 0.0040 | 2023-11-20 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Southlake 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
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Data from EPA ECHO
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.
Tarrant 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
EPA designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
Dallas-Fort Worth: Ozone
NonattainmentSerious8-Hour Ozone (2015 Standard)
Original designation: Aug 2018
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Historical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Dallas-Fort Worth Area
Historical standard: 0.08 ppm (8-hour)
Historical designation: Nonattainment · Subpart 2/Serious
Original designation: Jun 2004
Open data source: EPA final revocation ruleContinuing requirements have not been verified for this area.
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Arlington Municipal Airport
Annual mean: 16.4 Parts per billion
Observation year: 2025
Annual mean: 0.045 Parts per million
EPA primary exceedance count: 5 (Ozone 8-hour 2015)
Observation year: 2025
Convention Center — Dallas, Texas
Annual mean: 28.3 Micrograms/cubic meter (25 C)
EPA primary exceedance count: 1 (PM10 24-hour 2006)
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
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
Active RCRA handler records in the reviewed city search area
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.
FracFocus Chemical Disclosure Registry — national registry of chemicals used in hydraulic fracturing operations, as reported by operators to the Ground Water Protection Council and Interstate Oil and Gas Compact Commission.
FracFocus well disclosures (3)
Data from FracFocus
Tarrant County, TX
EPA Radon Zone Map (June 2024 release)
Tarrant 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.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain). No base flood elevation determined.
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.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
Recent Incidents (last 5 years)
FLINT HILLS RESOURCES, LC
Incident date: Oct 31, 2024
Property damage: $555,000
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Tarrant County, TexasPop. 2,154,595
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 | 7,504 | 7,875 | 7,972 |
| Poor or Fair Health | 18.1% | 17.9% | 14.2% |
| Poor Physical Health Days | 3.6 | 3.3 | 3.3 |
| Poor Mental Health Days | 5.0 | 4.6 | 4.8 |
| Adult Smoking | 14.6% | 13.3% | 15.0% |
| Adult Obesity | 34.9% | 36.2% | 34.0% |
| Air Pollution - Particulate Matter | 9.2 | 8.6 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 11.0% | 11.0% | 9.6% |
| Life Expectancy | 77.5 | 77.2 | 77.6 |
EPA testing found PFAS in water samples from the City of Southlake. Results dated Nov 20, 2023 to Aug 21, 2024 include PFHxS at 0.0048 to 0.0107 micrograms per liter and PFBA at 0.0057 to 0.0088 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 3 violations for the City of Southlake, including 1 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 Southlake.
The monitoring station at Arlington Municipal Airport recorded an annual average of 16.4 Parts per billion for nitrogen dioxide in 2025.
The monitoring station at Arlington Municipal Airport recorded an annual average of 0.045 Parts per million for ozone in 2025.
The monitoring station at Convention Center, Dallas, Texas recorded an annual average of 28.3 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The radon data for Southlake covers Tarrant 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 Southlake reports a life expectancy of 77.5 years in Tarrant 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 Southlake reports 7,504 years of life lost to deaths before age 75 per 100,000 residents in Tarrant 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 Southlake lists fine-particle pollution (PM2.5) at 9.2 micrograms per cubic meter in Tarrant County, Texas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Flint Hills Resources, Lc near Southlake on Oct 31, 2024. The reported release was a liquid petroleum product.
Federal pipeline records list an incident involving Explorer Pipeline Co near Southlake on Jul 13, 2021. The reported release was a liquid petroleum product.