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Review government records associated with Arcata, California.
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Preparing Arcata 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 Arcata, CA from EPA SDWIS.
Arcata, City of
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 20,875 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.
Jacoby Creek
Reported: Nov 2026
Health-relevant causes: Metals (other Than Mercury), Pathogens
Affected uses: Drinkingwater, Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
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.
Humboldt 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
No EPA nonattainment designation records shown for this report.
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Hoopa Valley Reservation
Annual mean: 6.4 Micrograms/cubic meter (LC)
Includes measurements flagged for exceptional events.
Observation year: 2025
Jacobs — Eureka, California
Annual mean: 0.030 Parts per million
Observation year: 2025
Annual mean: 18.1 Micrograms/cubic meter (25 C)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source query run Nov 2026
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
1234 Guintoli Lane, Arcata
Reported: Feb 2026
250 E Street, Arcata
Reported: Feb 2026
600 South G Street, Arcata
Reported: Feb 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
1220 5TH STREET, ARCATA
1.0 miles away · HUMBOLDT County
Reported: Nov 2026
1622 Old Arcata Road, Arcata
1.1 miles away · HUMBOLDT 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
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
Humboldt County, CA
EPA Radon Zone Map (June 2024 release)
Humboldt 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.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain). No base flood elevation determined.
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.
Humboldt County, CaliforniaPop. 135,010
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 | 9,032 | 6,373 | 7,972 |
| Poor or Fair Health | 17.4% | 15.8% | 14.2% |
| Poor Physical Health Days | 4.1 | 3.1 | 3.3 |
| Poor Mental Health Days | 6.2 | 4.7 | 4.8 |
| Adult Smoking | 15.6% | 8.8% | 15.0% |
| Adult Obesity | 33.2% | 27.8% | 34.0% |
| Air Pollution - Particulate Matter | 6.8 | 7.1 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 10.1% | 10.8% | 9.6% |
| Life Expectancy | 76.4 | 79.9 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Arcata.
Check with the utility that serves your address for its testing results.
The EPA drinking water records available here list no violations for the City of Arcata.
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 Arcata.
The monitoring station at Hoopa Valley Reservation recorded an annual average of 6.4 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Jacobs, Eureka, California recorded an annual average of 0.03 Parts per million for ozone in 2025.
The monitoring station at Jacobs, Eureka, California recorded an annual average of 18.1 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The radon data for Arcata covers Humboldt County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 3 brownfield sites: 1234 Guintoli Lane; 250 E Street; Arcata Butcher Slough.
EPA Superfund recordsView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Arcata reports a life expectancy of 76.4 years in Humboldt 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 Arcata reports 9,032 years of life lost to deaths before age 75 per 100,000 residents in Humboldt 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 Arcata lists fine-particle pollution (PM2.5) at 6.8 micrograms per cubic meter in Humboldt County, California.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.