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Review government records associated with Imperial, California.
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Preparing Imperial 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 Imperial, CA from EPA SDWIS.
Imperial, City of
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 21,591 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 PFASEPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Town of El Centro
Reported: Nov 2026
Health-relevant causes: Metals (other Than Mercury), Pesticides, Polychlorinated Biphenyls (pcbs)
Affected uses: Ecological, Fishconsumption
Data from EPA ATTAINS
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
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Imperial 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.
Imperial County: Ozone
NonattainmentMarginal8-Hour Ozone (2015 Standard)
Original designation: Aug 2018
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Imperial County: PM2.5
NonattainmentModeratePM-2.5 (2012 Standard)
Original designation: Apr 2015
Health effects (EPA): Cardiovascular disease, respiratory illness, premature death (EPA)
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Imperial County; Imperial Valley Planning Area
PM10 · PM-10 (1987 Standard)
Classification: Serious
Original designation: Nov 1990
Current design value: 10.2 est. exc. (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Brawley-220 Main Street
Annual mean: 46.7 Micrograms/cubic meter (25 C)
EPA primary exceedance count: 11 (PM10 24-hour 2006)
Includes measurements flagged for exceptional events.
Observation year: 2025
Annual mean: 7.0 Micrograms/cubic meter (LC)
Observation year: 2025
Calexico-Ethel Street
Annual mean: 1.3 Parts per billion
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.
Air Violations
Last inspected: Dec 2025
Data from EPA ECHO
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
State environmental agencies maintain cleanup site databases that include state Superfund, voluntary cleanup, and brownfield remediation programs. These programs track additional sites beyond those on the federal NPL.
1 site with active cleanup or investigation
1103 Airport Road, imperial
0.1 miles away · IMPERIAL County
Reported: Nov 2026
Data from EPA ECHO
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.
Imperial County, CA
EPA Radon Zone Map (June 2024 release)
Imperial 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.
Recent Incidents (last 5 years)
SFPP, LP
Incident date: Jul 7, 2023
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Imperial County, CaliforniaPop. 178,713
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 | 8,015 | 6,373 | 7,972 |
| Poor or Fair Health | 26.6% | 15.8% | 14.2% |
| Poor Physical Health Days | 4.5 | 3.1 | 3.3 |
| Poor Mental Health Days | 5.5 | 4.7 | 4.8 |
| Adult Smoking | 14.2% | 8.8% | 15.0% |
| Adult Obesity | 38.0% | 27.8% | 34.0% |
| Air Pollution - Particulate Matter | 10.8 | 7.1 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 14.9% | 10.8% | 9.6% |
| Life Expectancy | 77.4 | 79.9 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Imperial.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 14 violations for the City of Imperial, including 2 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 Imperial.
The monitoring station at Brawley-220 Main Street recorded an annual average of 46.7 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at Brawley-220 Main Street recorded an annual average of 7 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Calexico-Ethel Street recorded an annual average of 1.3 Parts per billion for sulfur dioxide in 2025.
The radon data for Imperial covers Imperial 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 Imperial reports a life expectancy of 77.4 years in Imperial County, California.
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 Imperial reports 8,015 years of life lost to deaths before age 75 per 100,000 residents in Imperial County, California. 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 Imperial lists fine-particle pollution (PM2.5) at 10.8 micrograms per cubic meter in Imperial County, California.
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 Sfpp, LP near Imperial on Jul 7, 2023. The reported release was a liquid petroleum product.