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Review government records associated with Klamath Falls, Oregon.
Toxin Scout is in beta. Please verify important findings with the linked sources.
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Preparing Klamath Falls 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 Klamath Falls, OR from EPA SDWIS.
Klamath Falls Water Dept
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 40,475 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 Mar 2024 to Sep 2024.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
2 PFAS sample results above EPA limits
Sample period: Mar 2024 to Sep 2024
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 |
|---|---|---|---|---|
| PFOS | 0.0095 | 0.0040 | 2024-03-20 | Yes |
| PFOS | 0.0047 | 0.0040 | 2024-09-10 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Klamath Falls drinking-water detections. Record names come from the source database and can be broad.
Klamath Falls
Air Force · National Guard
Known detection in the DoD source record
Remedial investigation planned
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Klamath Falls-Klamath River
Reported: Nov 2026
Health-relevant causes: Mercury
Affected uses: Drinkingwater, Ecological, Fishconsumption, Other, 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
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.
Klamath 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
EPA designates an area as nonattainment when air quality does not meet federal health-based standards (NAAQS) for a specific pollutant.
Klamath Falls: 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.
Klamath County; Klamath Falls
PM10 · PM-10 (1987 Standard)
Classification: Moderate
Original designation: Nov 1990
Klamath Falls Area
CO · Carbon Monoxide (1971 Standard)
Classification: Moderate <= 12.7ppm
Original designation: Jan 1992
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Klamath Falls - Peterson Elementary School (Kfp)
Annual mean: 8.7 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
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Columbia Forest Products
Reported: 2024
Jeld-Wen
Reported: 2024
Mdu Resources Klamath Falls Concrete
Reported: 2024
EPA records for current, proposed and formerly listed Superfund sites on the National Priorities List (NPL).
Open data source: Search EPA ECHOEPA FRS Registry ID 110043437830
Reported: Nov 2021
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO1 site with active cleanup or investigation status
418 Klamath Avenue, Klamath Falls
Reported: Feb 2026
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
Reviewed: reporting year 2024
Formerly 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
Klamath County, OR
EPA Radon Zone Map (June 2024 release)
Klamath 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.
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.
Klamath County, OregonPop. 70,212
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 | 11,378 | 6,705 | 7,972 |
| Poor or Fair Health | 18.2% | 14.2% | 14.2% |
| Poor Physical Health Days | 4.1 | 3.3 | 3.3 |
| Poor Mental Health Days | 5.9 | 5.4 | 4.8 |
| Adult Smoking | 18.7% | 12.7% | 15.0% |
| Adult Obesity | 35.5% | 30.6% | 34.0% |
| Air Pollution - Particulate Matter | 10.4 | 7.7 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 10.0% | 8.3% | 9.6% |
| Life Expectancy | 73.9 | 78.7 | 77.6 |
EPA testing found PFAS in water samples from Klamath Falls Water Department. Results dated Mar 20, 2024 to Sep 10, 2024 include PFOS at 0.0047 to 0.0095 micrograms per liter and PFHxS at 0.0037 to 0.0058 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 202 violations for Klamath Falls Water Department.
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 Klamath Falls.
The monitoring station at Klamath Falls-Peterson Elementary School (Kfp) recorded an annual average of 8.7 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Klamath Falls covers Klamath County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
This city report shows 1 Superfund site: North Ridge Estates.
This city report shows 3 brownfield sites: 11th and Main; 2340 South 6th Street; 418 Klamath Ave.
View on EPA ECHOView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Klamath Falls reports a life expectancy of 73.9 years in Klamath County, Oregon.
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 Klamath Falls reports 11,378 years of life lost to deaths before age 75 per 100,000 residents in Klamath County, Oregon. 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 Klamath Falls lists fine-particle pollution (PM2.5) at 10.4 micrograms per cubic meter in Klamath County, Oregon.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.