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Review government records associated with Riverbank, California.
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Preparing Riverbank 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 Riverbank, CA from EPA SDWIS.
Riverbank, City of
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 24,834 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
No EPA UCMR5 PFAS detection records shown for these water systems.
Reviewed: source records as of Q1 2026
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Riverbank drinking-water detections. Record names come from the source database and can be broad.
Riverbank Army Ammunition Plant
Army · BRAC
DoD source status: Pending
Remedial investigation underway
Estimated investigation end date: 2035-09
No 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.
Stanislaus 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 designates an area as nonattainment when air quality does not meet federal health-based standards (NAAQS) for a specific pollutant.
San Joaquin Valley: Ozone
NonattainmentExtreme8-Hour Ozone (2015 Standard)
Original designation: Aug 2018
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
San Joaquin Valley: PM2.5
NonattainmentSeriousPM-2.5 (2012 Standard)
Original designation: Apr 2015
Health effects (EPA): Cardiovascular disease, respiratory illness, premature death (EPA)
San Joaquin Valley 1997 PM2.5 Annual: PM2.5
NonattainmentSeriousPM-2.5 (1997 Standard)
Original designation: Apr 2005
Health effects (EPA): Cardiovascular disease, respiratory illness, premature death (EPA)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Manteca
Annual mean: 21.3 Micrograms/cubic meter (25 C)
Observation year: 2025
Annual mean: 7.4 Micrograms/cubic meter (LC)
Observation year: 2025
Modesto-14Th Street
Annual mean: 0.2 Parts per million
Observation year: 2025
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.
Silgan Container Manufacturing Corp.
Reported: 2024
Thunderbolt Wood Treating
Reported: 2024
EPA records for current, proposed and formerly listed Superfund sites on the National Priorities List (NPL).
Open data source: Search EPA ECHOEPA FRS Registry ID 110058341432
Reported: Nov 2021
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
6145 and 6129 Claus Road, Riverbank
1.2 miles away · STANISLAUS County
Reported: Nov 2026
5300 CLAUS ROAD, RIVERBANK
1.5 miles away · STANISLAUS 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
Reviewed: reporting year 2024
No MSHA mine or extraction site records shown for this report.
Stanislaus County, CA
EPA Radon Zone Map (June 2024 release)
Stanislaus 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.
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Stanislaus County, CaliforniaPop. 551,275
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 | 8,878 | 6,373 | 7,972 |
| Poor or Fair Health | 20.1% | 15.8% | 14.2% |
| Poor Physical Health Days | 4.2 | 3.1 | 3.3 |
| Poor Mental Health Days | 5.5 | 4.7 | 4.8 |
| Adult Smoking | 14.4% | 8.8% | 15.0% |
| Adult Obesity | 34.8% | 27.8% | 34.0% |
| Air Pollution - Particulate Matter | 10.6 | 7.1 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 11.6% | 10.8% | 9.6% |
| Life Expectancy | 76.0 | 79.9 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Riverbank.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 1 violation for the City of Riverbank.
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 Riverbank.
The monitoring station at Manteca recorded an annual average of 21.3 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The monitoring station at Manteca recorded an annual average of 7.4 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Modesto-14th Street recorded an annual average of 0.2 Parts per million for carbon monoxide in 2025.
The radon data for Riverbank covers Stanislaus County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
This city report shows 1 Superfund site: Riverbank Army Ammunition Plt..
No brownfield sites were returned for this city report.
The county data for Riverbank reports a life expectancy of 76.0 years in Stanislaus 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 Riverbank reports 8,878 years of life lost to deaths before age 75 per 100,000 residents in Stanislaus 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 Riverbank lists fine-particle pollution (PM2.5) at 10.6 micrograms per cubic meter in Stanislaus County, California.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.