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Review government records associated with Monterey, California.
Toxin Scout is in beta. Please verify important findings with the linked sources.
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Preparing Monterey 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 Monterey, CA from EPA SDWIS.
Monterey Park-City, Water Dept.
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City appears in system name · Serves 62,183 people
Cal Am Water Company - Monterey
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City appears in system name · Serves 92,450 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Feb 2023 to Mar 2025.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
4 PFAS sample results above EPA limits
Sample period: Feb 2023 to Aug 2023
UCMR5 results are sampled by public water system, not every household. Confirm your water provider before treating these as tap-water results for a specific address.
| Chemical | Concentration (µg/L) | EPA Limit (µg/L) | Sample date | Over Limit |
|---|---|---|---|---|
| PFOA | 0.0081 | 0.0040 | 2023-08-07 | Yes |
| PFOS | 0.0073 | 0.0040 | 2023-08-07 | Yes |
| PFOA | 0.0058 | 0.0040 | 2023-02-21 | Yes |
| PFOS | 0.0049 | 0.0040 | 2023-02-21 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Monterey drinking-water detections. Record names come from the source database and can be broad.
Fort Ord
Army · BRAC
Known detection in the DoD source record
Remedial investigation underway
Estimated investigation end date: 2042-09
Presidio of Monterey
Army · Active
Suspected PFAS record
No further action after preliminary assessment/site inspection
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Monterey Bay
Reported: Nov 2026
Health-relevant causes: Metals (other Than Mercury), Pathogens, Pesticides, Polychlorinated Biphenyls (pcbs)
Affected uses: Drinkingwater, Ecological, Fishconsumption, Other, Recreation
Data from EPA ATTAINS
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.
Monterey 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
No EPA nonattainment designation records shown for this report.
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Carmel Valley — Carmel Valley Village, California
Annual mean: 0.032 Parts per million
Observation year: 2025
Annual mean: 2.7 Micrograms/cubic meter (LC)
Observation year: 2025
Salinas 3
Annual mean: 0.3 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.
Granite Rock Co Monterey Branch Br341
Reported: 2024
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
153 Webster Street, Monterey
0.7 miles away · MONTEREY County
Reported: Nov 2026
Southwest Corner of Figueroa Street & Del Monte Avenue, Monterey
0.4 miles away · MONTEREY County
Reported: Nov 2026
, Monterey
1.5 miles away · MONTEREY 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
Toxics Release Inventory data — chemicals disposed on-site at reporting facilities.
Granite Rock Co Monterey Branch Br341
Open data source: View EPA TRI facility recordFormerly 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.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Monterey County, CA
EPA Radon Zone Map (June 2024 release)
Monterey 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) with base flood elevation.
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.
Monterey County, CaliforniaPop. 432,858
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 | 5,768 | 6,373 | 7,972 |
| Poor or Fair Health | 20.1% | 15.8% | 14.2% |
| Poor Physical Health Days | 3.8 | 3.1 | 3.3 |
| Poor Mental Health Days | 5.3 | 4.7 | 4.8 |
| Adult Smoking | 12.4% | 8.8% | 15.0% |
| Adult Obesity | 27.5% | 27.8% | 34.0% |
| Air Pollution - Particulate Matter | 5.5 | 7.1 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 11.3% | 10.8% | 9.6% |
| Life Expectancy | 81.3 | 79.9 | 77.6 |
EPA testing found PFAS in water samples from Monterey Park-City, Water Department. Results dated Sep 16, 2024 to Mar 14, 2025 include PFBA at 0.0072 to 0.0074 micrograms per liter and PFPeA at 0.005 micrograms per liter.
EPA testing found PFAS in water samples from Cal Am Water Company-Monterey. Results dated Feb 21, 2023 to Aug 7, 2023 include PFBS at 0.0033 to 0.0132 micrograms per liter and PFHxA at 0.0069 to 0.0093 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 2 violations for Monterey Park-City, Water Department, including 2 marked active.
The EPA drinking water records available here list no violations for Cal Am Water Company-Monterey.
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 Monterey.
The monitoring station at Carmel Valley, Carmel Valley Village, California recorded an annual average of 0.032 Parts per million for ozone in 2025.
The monitoring station at Carmel Valley, Carmel Valley Village, California recorded an annual average of 2.7 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Salinas 3 recorded an annual average of 0.3 Parts per million for carbon monoxide in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Monterey covers Monterey 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 Monterey reports a life expectancy of 81.3 years in Monterey 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 Monterey reports 5,768 years of life lost to deaths before age 75 per 100,000 residents in Monterey 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 Monterey lists fine-particle pollution (PM2.5) at 5.5 micrograms per cubic meter in Monterey 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 Pacific Gas & Electric Co near Monterey on Mar 3, 2014. The reported release was natural gas.