What the Tomball records show
- Water quality and PFAS
- 1 candidate water system shown.Source date: Violations as of Q1 2026
- Air quality and emissions
- 3 monitoring records shown. Observation year: 2025.Source date: AQS data as of 2026
- Land and cleanup records
- No Superfund records returned in this report; No brownfield records returned in this report.
- Infrastructure and incidents
- 1 pipeline incident record shown; 2 RMP facility records shown (earlier stored inventory, current location coverage unverified).Source date: PHMSA data as of Q1 2026
Water quality in Tomball
Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Drinking Water Compliance
Drinking Water Compliance
Public water-system records for Tomball, TX from EPA SDWIS.
City of Tomball
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 17,532 people
Data from EPA SDWIS
Reviewed: source records as of Q1 2026
EPA UCMR5 — No PFAS detection records shown for these water systems
Open data source: EPA UCMR5DoD PFAS — No investigation records shown for this report
Open data source: DoD PFASImpaired Water Bodies
1
Impaired Water Bodies
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Willow Creek
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Recreation
Data from EPA ATTAINS
Discharge Permits (NPDES)
3
Discharge Permits (NPDES)
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
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
Air quality and emissions in Tomball
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
EPA AirToxScreen — Estimated Cancer Risk
1
EPA AirToxScreen — Estimated Cancer Risk
Harris County
Assessment year: 2020
According to EPA, a cancer risk of 40-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 40 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
Nonattainment Status
1
Nonattainment Status
EPA designates an area as nonattainment when air quality does not meet federal health-based standards (NAAQS) for a specific pollutant.
Houston-Galveston-Brazoria: Ozone
NonattainmentSerious8-Hour Ozone (2015 Standard)
Original designation: Sep 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.
Houston-Galveston-Brazoria Area
Historical standard: 0.08 ppm (8-hour)
Historical designation: Nonattainment · Subpart 2/Severe 15
Original designation: Jun 2004
Open data source: EPA final revocation ruleEPA terminated this area's 1997 ozone anti-backsliding obligations effective March 16, 2020. Separate SIP requirements may apply.
Open data source: EPA final anti-backsliding termination ruleData from EPA Green Book
Air Quality Monitoring (AQS)
Air Quality Monitoring (AQS)
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Conroe Relocated
Annual mean: 9.1 Parts per billion
Observation year: 2025
Annual mean: 0.042 Parts per million
EPA primary exceedance count: 8 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 10.8 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source records as of 2024
Land cleanup and hazardous waste records in Tomball
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
Hazardous Waste — RCRA Handlers
3
Hazardous Waste — RCRA Handlers
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
Underground Storage Tanks
Underground Storage Tanks
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Reviewed: reporting year 2024
MSHA Mine and Extraction Sites
MSHA Mine and Extraction Sites
No MSHA mine or extraction site records shown for this report.
County radon potential
County radon potential
Harris County, TX
EPA Radon Zone Map (June 2024 release)
Harris 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 and infrastructure in Tomball
FEMA Flood Zones
FEMA Flood Zones
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.
EPA Risk Management Program Records
EPA Risk Management Program Records
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.
Pipeline Incidents
1
Pipeline Incidents
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Community Health Indicators
Community Health Indicators
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Harris County, TexasPop. 4,780,913
County Health Rankings edition: 2024
Premature Death
- County
- 7,724
- State
- 7,875
- National
- 7,972
Poor or Fair Health
- County
- 20.0%
- State
- 17.9%
- National
- 14.2%
Poor Physical Health Days
- County
- 3.4
- State
- 3.3
- National
- 3.3
Poor Mental Health Days
- County
- 5.2
- State
- 4.6
- National
- 4.8
Adult Smoking
- County
- 15.5%
- State
- 13.3%
- National
- 15.0%
Adult Obesity
- County
- 36.5%
- State
- 36.2%
- National
- 34.0%
Air Pollution - Particulate Matter
- County
- 10.7
- State
- 8.6
- National
- 7.3
Drinking water violation indicator
- County
- Yes
- State
- N/A
- National
- N/A
Diabetes Prevalence
- County
- 12.2%
- State
- 11.0%
- National
- 9.6%
Life Expectancy
- County
- 77.9
- State
- 77.2
- National
- 77.6
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 7,724 | 7,875 | 7,972 |
| Poor or Fair Health | 20.0% | 17.9% | 14.2% |
| Poor Physical Health Days | 3.4 | 3.3 | 3.3 |
| Poor Mental Health Days | 5.2 | 4.6 | 4.8 |
| Adult Smoking | 15.5% | 13.3% | 15.0% |
| Adult Obesity | 36.5% | 36.2% | 34.0% |
| Air Pollution - Particulate Matter | 10.7 | 8.6 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 12.2% | 11.0% | 9.6% |
| Life Expectancy | 77.9 | 77.2 | 77.6 |
Environmental questions about Tomball, Texas
Has PFAS been found in the water in Tomball, Texas?
This report does not have PFAS sample results for the candidate water systems in Tomball.
Check with the utility that serves your address for its testing results.
What do EPA records say about tap water in Tomball, Texas?
EPA drinking water records on this page list 1 violation for the City of Tomball.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
What do annual air monitors show near Tomball, Texas?
Nearby EPA monitoring stations provide annual air quality measurements for Tomball.
The monitoring station at Conroe Relocated recorded an annual average of 9.1 Parts per billion for nitrogen dioxide in 2025.
The monitoring station at Conroe Relocated recorded an annual average of 0.042 Parts per million for ozone in 2025.
The monitoring station at Conroe Relocated recorded an annual average of 10.8 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
Is there radon in Tomball, Texas?
The radon data for Tomball covers Harris County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
Are there Superfund or brownfield sites near Tomball, Texas?
No Superfund or brownfield sites were returned for this city report.
What is the life expectancy in Tomball, Texas?
The county data for Tomball reports a life expectancy of 77.9 years in Harris County, Texas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
What does the data say about premature deaths in Tomball, Texas?
The county data for Tomball reports 7,724 years of life lost to deaths before age 75 per 100,000 residents in Harris 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.
Is there air pollution in Tomball, Texas?
The county data for Tomball lists fine-particle pollution (PM2.5) at 10.7 micrograms per cubic meter in Harris County, Texas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
What environmental incidents are recorded near Tomball, Texas?
Federal pipeline records list an incident involving Tomball Gas Dept, City of near Tomball on Sep 17, 2011. The reported release was natural gas.