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Review government records associated with Ione, California.
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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 Ione, CA from EPA SDWIS.
Awa, Ione
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City appears in system name · Serves 7,227 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.
Amador 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
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.
Amador County: Ozone
NonattainmentMarginal8-Hour Ozone (2015 Standard)
Original designation: Aug 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.
Amador and Calaveras Cos. (Central Mountain Cos.)
Historical standard: 0.08 ppm (8-hour)
Historical designation: Nonattainment · Subpart 2/Moderate
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.
Jackson-Clinton Road
Annual mean: 0.040 Parts per million
Observation year: 2025
Sacramento-Branch Center #2
Annual mean: 17.9 Micrograms/cubic meter (25 C)
Observation year: 2025
San Andreas-Gold Strike Road
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.
3 sites with active cleanup or investigation
END OF DEPOT ROAD, IONE
1.1 miles away · AMADOR County
Reported: Nov 2026
39 PLYMOUTH ROAD, IONE
0.9 miles away · AMADOR County
Reported: Nov 2026
301 WATERMAN ROAD, IONE
0.7 miles away · AMADOR County
Reported: Nov 2026
Data from EPA ECHO
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Sites 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 (1)
Data from MSHA
Amador County, CA
EPA Radon Zone Map (June 2024 release)
Amador 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 flooding (100-year floodplain). No base flood elevation determined.
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.
Amador County, CaliforniaPop. 41,412
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 | 7,465 | 6,373 | 7,972 |
| Poor or Fair Health | 15.0% | 15.8% | 14.2% |
| Poor Physical Health Days | 3.6 | 3.1 | 3.3 |
| Poor Mental Health Days | 5.5 | 4.7 | 4.8 |
| Adult Smoking | 13.3% | 8.8% | 15.0% |
| Adult Obesity | 29.6% | 27.8% | 34.0% |
| Air Pollution - Particulate Matter | 6.4 | 7.1 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 8.7% | 10.8% | 9.6% |
| Life Expectancy | 78.8 | 79.9 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Ione.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 4 violations for Awa, Ione.
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 Ione.
The monitoring station at Jackson-Clinton Road recorded an annual average of 0.04 Parts per million for ozone in 2025.
The monitoring station at Sacramento-Branch Center #2 recorded an annual average of 17.9 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at San Andreas-Gold Strike Road recorded an annual average of 0.04 Parts per million for ozone in 2025.
The radon data for Ione covers Amador 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 Ione reports a life expectancy of 78.8 years in Amador 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 Ione reports 7,465 years of life lost to deaths before age 75 per 100,000 residents in Amador 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 Ione lists fine-particle pollution (PM2.5) at 6.4 micrograms per cubic meter in Amador County, California.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.