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Review government records associated with Auburn, California.
Toxin Scout is in beta. Please verify important findings with the linked sources.
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Preparing Auburn 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 Auburn, CA from EPA SDWIS.
Placer Cwa - Auburn/Bowman
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 27,294 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
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.
Placer County
Assessment year: 2020
According to EPA, a cancer risk of 50-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 50 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.
Sacramento Metro: Ozone
NonattainmentSerious8-Hour Ozone (2015 Standard)
Original designation: Aug 2018
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Sacramento: PM2.5
NonattainmentModeratePM-2.5 (2006 Standard)
Original designation: Dec 2009
Health effects (EPA): Cardiovascular disease, respiratory illness, premature death (EPA)
Historical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Sacramento Metro 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 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.
Auburn-Atwood
Annual mean: 0.042 Parts per million
EPA primary exceedance count: 2 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 6.6 Micrograms/cubic meter (LC)
Observation year: 2025
Colfax-City Hall
Annual mean: 0.040 Parts per million
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
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.
2 sites with active cleanup or investigation
12385 SHALE RIDGE ROAD, AUBURN
4.1 miles away · PLACER County
Reported: Nov 2026
140 ELM AVE, AUBURN
0.8 miles away · PLACER 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
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 FUDSNo MSHA mine or extraction site records shown for this report.
Placer County, CA
EPA Radon Zone Map (June 2024 release)
Placer County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 4 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 shallow flooding (sheet flow, 1-3 feet).
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.
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Placer County, CaliforniaPop. 417,772
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 | 4,832 | 6,373 | 7,972 |
| Poor or Fair Health | 11.8% | 15.8% | 14.2% |
| Poor Physical Health Days | 3.2 | 3.1 | 3.3 |
| Poor Mental Health Days | 4.8 | 4.7 | 4.8 |
| Adult Smoking | 10.2% | 8.8% | 15.0% |
| Adult Obesity | 26.3% | 27.8% | 34.0% |
| Air Pollution - Particulate Matter | 7.2 | 7.1 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 7.6% | 10.8% | 9.6% |
| Life Expectancy | 81.8 | 79.9 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Auburn.
Check with the utility that serves your address for its testing results.
The EPA drinking water records available here list no violations for Placer Cwa-Auburn/Bowman.
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 Auburn.
The monitoring station at Auburn-Atwood recorded an annual average of 0.042 Parts per million for ozone in 2025.
The monitoring station at Auburn-Atwood recorded an annual average of 6.6 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Colfax-City Hall recorded an annual average of 0.04 Parts per million for ozone in 2025.
The radon data for Auburn covers Placer County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Auburn reports a life expectancy of 81.8 years in Placer 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 Auburn reports 4,832 years of life lost to deaths before age 75 per 100,000 residents in Placer 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 Auburn lists fine-particle pollution (PM2.5) at 7.2 micrograms per cubic meter in Placer County, California.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.