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Review government records associated with Boulder City, Nevada.
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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 Boulder City, NV from EPA SDWIS.
Boulder City
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 15,000 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 PFASNo 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.
Clark 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.
Historical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Las Vegas
Historical standard: 0.08 ppm (8-hour)
Historical designation: Maintenance · Subpart 2/Marginal
Original designation: Sep 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.
Garrett Jr. High — Boulder City, Nevada
Annual mean: 0.049 Parts per million
EPA primary exceedance count: 2 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 16.2 Micrograms/cubic meter (25 C)
Observation year: 2025
Annual mean: 3.6 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
No facility records with active violation or noncompliance flags surfaced in EPA ECHO.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
Reviewed: source records as of 2024
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
Reviewed: reporting year 2024
Formerly Used Defense Sites are properties previously owned by, leased to, or otherwise possessed by the United States and under the jurisdiction of the Secretary of Defense. The FUDS program addresses environmental restoration at these properties.
Open data source: USACE FUDSSites 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.
More MSHA records matched the search than this preview shows.
Recently updated active/intermittent sites (2)
Data from MSHA
Clark County, NV
EPA Radon Zone Map (June 2024 release)
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.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
No FEMA flood-zone records shown for this report.
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.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Clark County, NevadaPop. 2,322,985
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 | 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 violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 10.9% | 10.2% | 9.6% |
| Life Expectancy | 77.2 | 77.0 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Boulder City.
Check with the utility that serves your address for its testing results.
The EPA drinking water records available here list no violations for Boulder City.
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 Boulder City.
The monitoring station at Garrett Jr. High, Boulder City, Nevada recorded an annual average of 0.049 Parts per million for ozone in 2025.
The monitoring station at Garrett Jr. High, Boulder City, Nevada recorded an annual average of 16.2 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at Garrett Jr. High, Boulder City, Nevada recorded an annual average of 3.6 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Boulder City covers Clark 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 Boulder City reports a life expectancy of 77.2 years in Clark County, Nevada.
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 Boulder City reports 8,193 years of life lost to deaths before age 75 per 100,000 residents in Clark County, Nevada. 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 Boulder City lists fine-particle pollution (PM2.5) at 8.4 micrograms per cubic meter in Clark County, Nevada.
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 Southwest Gas Corp near Boulder City on Feb 3, 2015. The reported release was natural gas.