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Review government records associated with The Dalles, Oregon.
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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 The Dalles, OR from EPA SDWIS.
The Dalles, 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 13,010 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.
Murdock-Columbia River
Reported: Nov 2026
Health-relevant causes: Dioxins, Mercury, Pathogens, Pesticides, Polychlorinated Biphenyls (pcbs)
Affected uses: Drinkingwater, Ecological, Fishconsumption, 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.
Wasco 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
No EPA nonattainment designation records shown for this report.
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.
Amerities West LLC
Reported: 2024
Hydro Extrusion Usa LLC
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 110000486778
Reported: Nov 2021
EPA FRS Registry ID 110071102527
Reported: Nov 2021
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHONo matching brownfield records with active cleanup or investigation status surfaced for this city report.
Reviewed: active/open records as of Q1 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
Toxics Release Inventory data — chemicals disposed on-site at reporting facilities.
Hood River Sand Gravel & Ready Mix - the Dalles
Open data source: View EPA TRI facility recordSites 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.
Recently updated active/intermittent sites (1)
Data from MSHA
Wasco County, OR
EPA Radon Zone Map (June 2024 release)
Wasco 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.
Wasco County, OregonPop. 26,561
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 | 8,938 | 6,705 | 7,972 |
| Poor or Fair Health | 16.5% | 14.2% | 14.2% |
| Poor Physical Health Days | 3.7 | 3.3 | 3.3 |
| Poor Mental Health Days | 5.4 | 5.4 | 4.8 |
| Adult Smoking | 16.0% | 12.7% | 15.0% |
| Adult Obesity | 37.3% | 30.6% | 34.0% |
| Air Pollution - Particulate Matter | 7.1 | 7.7 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 9.5% | 8.3% | 9.6% |
| Life Expectancy | 76.2 | 78.7 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in The Dalles.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 19 violations for the City of the Dalles.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
We don't have air monitoring measurements for The Dalles yet.
The radon data for The Dalles covers Wasco 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 2 Superfund sites: Northwest Aluminum Company Site; Union Pacific Railroad Co. Tie-Treating Plant.
This city report shows 3 brownfield sites: 200 E 2nd; 200 Union; 205 Washington Street.
View on EPA ECHOView on EPA ECHOView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for The Dalles reports a life expectancy of 76.2 years in Wasco 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 The Dalles reports 8,938 years of life lost to deaths before age 75 per 100,000 residents in Wasco 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 The Dalles lists fine-particle pollution (PM2.5) at 7.1 micrograms per cubic meter in Wasco County, Oregon.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.