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Review government records associated with Los Gatos, 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 Los Gatos, CA from EPA SDWIS.
Lake Canyon Mutual Water Company
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 156 people
Melody Woods Water Company
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 168 people
Las Cumbres Mutual Water Co
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 402 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.
Guadalupe River
Reported: Nov 2026
Health-relevant causes: Mercury, Pesticides
Affected uses: Ecological, Fishconsumption, Other
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
No NPDES-permitted facility records with current violation flags surfaced for this city report.
Reviewed: active/open records as of Q4 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.
Santa Clara 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.
San Francisco Bay Area: Ozone
NonattainmentMarginal8-Hour Ozone (2015 Standard)
Original designation: Aug 2018
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
San Francisco Bay Area: PM2.5
NonattainmentModeratePM-2.5 (2006 Standard)
Original designation: Dec 2009
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.
San Francisco-Oakland-San Jose Area
CO · Carbon Monoxide (1971 Standard)
Classification: Moderate <= 12.7ppm
Original designation: Nov 1990
Current design value: 4.9 ppm (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
San Lorenzo Valley Middle School
Annual mean: 4.3 Micrograms/cubic meter (LC)
Observation year: 2025
Santa Cruz — Live Oak, California
Annual mean: 0.032 Parts per million
Observation year: 2025
Annual mean: 4.8 Micrograms/cubic meter (LC)
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.
3 sites with active cleanup or investigation
14300 WINCHESTER BOULEVARD, LOS GATOS
2.1 miles away · SANTA CLARA County
Reported: Nov 2026
14300 Winchester Boulevard, Los Gatos
2.1 miles away · SANTA CLARA County
Reported: Nov 2026
809 University Avenue, Los Gatos
1.2 miles away · SANTA CLARA 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.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Santa Clara County, CA
EPA Radon Zone Map (June 2024 release)
Santa Clara 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.
Minimal flood hazard — outside the 1% and 0.2% annual chance floodplains.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
No EPA ECHO RMP facility records with a usable location matched this city report.
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Santa Clara County, CaliforniaPop. 1,870,945
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 | 3,918 | 6,373 | 7,972 |
| Poor or Fair Health | 11.7% | 15.8% | 14.2% |
| Poor Physical Health Days | 2.5 | 3.1 | 3.3 |
| Poor Mental Health Days | 4.0 | 4.7 | 4.8 |
| Adult Smoking | 7.4% | 8.8% | 15.0% |
| Adult Obesity | 18.5% | 27.8% | 34.0% |
| Air Pollution - Particulate Matter | 9.2 | 7.1 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 9.0% | 10.8% | 9.6% |
| Life Expectancy | 84.1 | 79.9 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Los Gatos.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 4 violations for Lake Canyon Mutual Water Company, including 2 marked active.
EPA drinking water records on this page list 14 violations for Melody Woods Water Company.
The EPA drinking water records available here list no violations for Las Cumbres Mutual Water Co.
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 Los Gatos.
The monitoring station at San Lorenzo Valley Middle School recorded an annual average of 4.3 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Santa Cruz, Live Oak, California recorded an annual average of 0.032 Parts per million for ozone in 2025.
The monitoring station at Santa Cruz, Live Oak, California recorded an annual average of 4.8 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Los Gatos covers Santa Clara 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 Los Gatos reports a life expectancy of 84.1 years in Santa Clara 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 Los Gatos reports 3,918 years of life lost to deaths before age 75 per 100,000 residents in Santa Clara 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 Los Gatos lists fine-particle pollution (PM2.5) at 9.2 micrograms per cubic meter in Santa Clara County, California.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.