What the Yreka records show
- Water quality and PFAS
- 1 candidate water system shown.Source date: Violations as of Q1 2026
- Air quality and emissions
- 2 monitoring records shown. Observation year: 2025.Source date: AQS data as of 2026
- Land and cleanup records
- No Superfund records returned in this report; 3 brownfield records shown.
- Infrastructure and incidents
- 1 pipeline incident record shown; 1 RMP facility record shown (earlier stored inventory, current location coverage unverified).Source date: PHMSA data as of Q1 2026
Water quality in Yreka
Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Drinking Water Compliance
Drinking Water Compliance
Public water-system records for Yreka, CA from EPA SDWIS.
Yreka, City of
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 7,825 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 PFASImpaired Water Bodies
1
Impaired Water Bodies
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Yreka Creek
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
Discharge Permits (NPDES)
2
Discharge Permits (NPDES)
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
Air quality and emissions in Yreka
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
EPA AirToxScreen — Estimated Cancer Risk
EPA AirToxScreen — Estimated Cancer Risk
Siskiyou County
Assessment year: 2020
According to EPA, a cancer risk of 20-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 20 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
Nonattainment Status
Nonattainment Status
No EPA nonattainment designation records shown for this report.
Air Quality Monitoring (AQS)
Air Quality Monitoring (AQS)
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Annual mean: 0.036 Parts per million
Observation year: 2025
Annual mean: 6.6 Micrograms/cubic meter (LC)
Includes measurements flagged for exceptional events.
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source records as of 2024
Land cleanup and hazardous waste records in Yreka
Reviewed: source query run Nov 2026
Brownfield Sites
3
Brownfield Sites
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO3 sites with active cleanup or investigation status
311 South Main St, Yreka
Reported: Feb 2026
1455 S Main St, Yreka
Reported: Feb 2026
400 S Foothill Drive, Yreka
Reported: Feb 2026
State Remediation & Cleanup Sites
3
State Remediation & Cleanup Sites
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
HIGHWAY 3, YREKA
1.8 miles away · SISKIYOU County
Reported: Nov 2026
490 SOUTH BROADWAY, YREKA
0.4 miles away · SISKIYOU County
Reported: Nov 2026
329 S. PHILLIPE LANE, YREKA
2.0 miles away · SISKIYOU County
Reported: Nov 2026
Data from EPA ECHO
Hazardous Waste — RCRA Handlers
2
Hazardous Waste — RCRA Handlers
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
Underground Storage Tanks
Underground Storage Tanks
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Reviewed: reporting year 2024
MSHA Mine and Extraction Sites
3
MSHA Mine and Extraction Sites
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.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
County radon potential
County radon potential
Siskiyou County, CA
EPA Radon Zone Map (June 2024 release)
Siskiyou 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 and infrastructure in Yreka
FEMA Flood Zones
1
FEMA Flood Zones
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.
EPA Risk Management Program Records
EPA Risk Management Program Records
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.
Pipeline Incidents
1
Pipeline Incidents
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
Community Health Indicators
Community Health Indicators
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Siskiyou County, CaliforniaPop. 43,660
County Health Rankings edition: 2024
Premature Death
- County
- 11,922
- State
- 6,373
- National
- 7,972
Poor or Fair Health
- County
- 17.5%
- State
- 15.8%
- National
- 14.2%
Poor Physical Health Days
- County
- 4.1
- State
- 3.1
- National
- 3.3
Poor Mental Health Days
- County
- 6.0
- State
- 4.7
- National
- 4.8
Adult Smoking
- County
- 16.0%
- State
- 8.8%
- National
- 15.0%
Adult Obesity
- County
- 32.8%
- State
- 27.8%
- National
- 34.0%
Air Pollution - Particulate Matter
- County
- 5.8
- State
- 7.1
- National
- 7.3
Drinking water violation indicator
- County
- No
- State
- N/A
- National
- N/A
Diabetes Prevalence
- County
- 9.9%
- State
- 10.8%
- National
- 9.6%
Life Expectancy
- County
- 74.3
- State
- 79.9
- National
- 77.6
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 11,922 | 6,373 | 7,972 |
| Poor or Fair Health | 17.5% | 15.8% | 14.2% |
| Poor Physical Health Days | 4.1 | 3.1 | 3.3 |
| Poor Mental Health Days | 6.0 | 4.7 | 4.8 |
| Adult Smoking | 16.0% | 8.8% | 15.0% |
| Adult Obesity | 32.8% | 27.8% | 34.0% |
| Air Pollution - Particulate Matter | 5.8 | 7.1 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 9.9% | 10.8% | 9.6% |
| Life Expectancy | 74.3 | 79.9 | 77.6 |
Environmental questions about Yreka, California
Has PFAS been found in the water in Yreka, California?
This report does not have PFAS sample results for the candidate water systems in Yreka.
Check with the utility that serves your address for its testing results.
What do EPA records say about tap water in Yreka, California?
EPA drinking water records on this page list 2 violations for the City of Yreka, including 2 marked active.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
What do annual air monitors show near Yreka, California?
Nearby EPA monitoring stations provide annual air quality measurements for Yreka.
The monitoring station at Yreka recorded an annual average of 0.036 Parts per million for ozone in 2025.
The monitoring station at Yreka recorded an annual average of 6.6 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
Is there radon in Yreka, California?
The radon data for Yreka covers Siskiyou County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
Are there Superfund or brownfield sites near Yreka, California?
No Superfund sites were returned for this city report.
This city report shows 3 brownfield sites: 311 South Main St; County Yard; Foothill.
EPA Superfund recordsView on EPA ECHOView on EPA ECHOView on EPA ECHO
What is the life expectancy in Yreka, California?
The county data for Yreka reports a life expectancy of 74.3 years in Siskiyou County, California.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
What does the data say about premature deaths in Yreka, California?
The county data for Yreka reports 11,922 years of life lost to deaths before age 75 per 100,000 residents in Siskiyou 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.
Is there air pollution in Yreka, California?
The county data for Yreka lists fine-particle pollution (PM2.5) at 5.8 micrograms per cubic meter in Siskiyou County, California.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
What environmental incidents are recorded near Yreka, California?
Federal pipeline records list an incident involving Suburban Propane near Yreka on Sep 14, 2018. The reported release was propane gas.