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Review government records associated with Henderson, Nevada. Open a section to see source records, coverage and dates. These city-level results do not establish exposure at a home or identify your water provider.
Toxin Scout summarizes public records from government and public datasets. Data can be delayed, incomplete, approximate, matched at non-parcel levels, or have accuracy problems as a result of this product's beta status, so verify important findings against the linked source records.
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Preparing Henderson environmental records...
Counts describe the records shown, not a complete city inventory. Some sources include nearby locations.
Drinking water compliance, PFAS records, natural water body health, discharge permits, and water-quality monitoring records for Henderson.
Public water-system records for Henderson, NV from EPA SDWIS.
Henderson City of
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 336,534 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 PFASWater Body Impairment (ATTAINS) city records are temporarily unavailable.
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Data from EPA ECHO
Reviewed: source records as of 2026
Air quality data from EPA monitoring stations, facility emissions inventories, and area-level air-quality designations in this city.
Clark County
Reported: Dec 2020
EPA national average is ~30 per million
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 local emission sources
Data from EPA AirToxScreen
Air Quality Nonattainment Areas city records are temporarily unavailable.
Garrett Jr. High — Boulder City, Nevada
Annual mean: 0.051 ppm · EPA standard: 0.07 ppm
Annual standard context: 5 exceedance days recorded in the reporting period
Reported: 2024
Annual mean: 3.8 μg/m³ · EPA standard: 9 μg/m³
Annual standard context: 1 exceedance day recorded in the reporting period
Reported: 2024
Annual mean: 17.3 μg/m³ · EPA standard: 150 μg/m³
Annual standard context: 1 exceedance day recorded in the reporting period
Reported: 2024
Data from EPA AQS
Reviewed: source records as of Q4 2025
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Emd Acquisition LLC
Reported: 2024
Las Vegas Paving Corp
Reported: 2024
Contaminated sites, waste facilities, cleanup records, and industrial operations in this city.
Reviewed: source query run Oct 2026
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHONo matching brownfield records with active cleanup or investigation status surfaced for this city report.
Reviewed: active/open records as of Q1 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
Toxic Release Inventory data — chemicals disposed on-site at reporting facilities.
Emd Acquisition LLC
Open data source: View EPA TRI facility recordSites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Clark County, NV
Reported: Mar 2026
Clark 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.
Flood-map status, chemical accident risk, nuclear facilities, pipeline incidents, and community health indicators in this city.
No FEMA flood-zone records shown for this report.
Risk Management Program records cover listed chemicals above EPA thresholds. Records may include historical registrations and do not confirm current operations or current chemical inventories.
Accident history is not established by these EPA ECHO facility records.
Reviewed: source records as of Q1 2026
Data from EPA ECHO
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
Recent Incidents (last 5 years)
SOUTHWEST GAS CORP
Reported: Jan 1, 2022
Property damage: $180,432
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Clark County, NevadaPop. 2,322,985
Reported: Mar 2026
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking Water Violations
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 8,193 | 8,317 | 7,972 |
| Poor or Fair Health | 19.1% | 17.8% | 14.2% |
| Poor Physical Health Days | 4.3 | 4.1 | 3.3 |
| Poor Mental Health Days | 5.5 | 5.5 | 4.8 |
| Adult Smoking | 16.4% | 15.3% | 15.0% |
| Adult Obesity | 31.3% | 31.5% | 34.0% |
| Air Pollution - Particulate Matter | 8.4 | 4.2 | 7.3 |
| Drinking Water Violations | 1 | 0 | N/A |
| Diabetes Prevalence | 10.9% | 10.2% | 9.6% |
| Life Expectancy | 77.2 | 77.0 | 77.6 |