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Review government records associated with Wasco, 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 Wasco, CA from EPA SDWIS.
Wasco, 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 22,757 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.
Kern County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 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 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
Formal nonattainmentSeriousPM-2.5 (1997 Standard)
Original designation: Apr 2005
EPA made a clean-data determination for the 1997 primary annual PM2.5 standard, effective 2026-03-02. The formal nonattainment designation remains in effect.
Open data source: EPA designation statusOpen data source: EPA final clean-data determinationHealth 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.
Bakersfield-California
Annual mean: 21.2 Parts per billion
Observation year: 2025
Annual mean: 0.046 Parts per million
EPA primary exceedance count: 10 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 36.9 Micrograms/cubic meter (25 C)
EPA primary exceedance count: 1 (PM10 24-hour 2006)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source records as of 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.
1 site with active cleanup or investigation
720 5TH ST, WASCO
1.9 miles away · KERN 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
Reviewed: reporting year 2024
No MSHA mine or extraction site records shown for this report.
FracFocus Chemical Disclosure Registry — national registry of chemicals used in hydraulic fracturing operations, as reported by operators to the Ground Water Protection Council and Interstate Oil and Gas Compact Commission.
FracFocus well disclosures (3)
Data from FracFocus
Kern County, CA
EPA Radon Zone Map (June 2024 release)
Kern 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.
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.
Kern County, CaliforniaPop. 916,108
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 | 10,111 | 6,373 | 7,972 |
| Poor or Fair Health | 23.2% | 15.8% | 14.2% |
| Poor Physical Health Days | 4.3 | 3.1 | 3.3 |
| Poor Mental Health Days | 5.5 | 4.7 | 4.8 |
| Adult Smoking | 16.1% | 8.8% | 15.0% |
| Adult Obesity | 36.6% | 27.8% | 34.0% |
| Air Pollution - Particulate Matter | 12.9 | 7.1 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 13.0% | 10.8% | 9.6% |
| Life Expectancy | 74.9 | 79.9 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Wasco.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 9 violations for the City of Wasco.
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 Wasco.
The monitoring station at Bakersfield-California recorded an annual average of 21.2 Parts per billion for nitrogen dioxide in 2025.
The monitoring station at Bakersfield-California recorded an annual average of 0.046 Parts per million for ozone in 2025.
The monitoring station at Bakersfield-California recorded an annual average of 36.9 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The radon data for Wasco covers Kern 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 Wasco reports a life expectancy of 74.9 years in Kern 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 Wasco reports 10,111 years of life lost to deaths before age 75 per 100,000 residents in Kern 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 Wasco lists fine-particle pollution (PM2.5) at 12.9 micrograms per cubic meter in Kern County, California.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.