Oregon · drinking water · SDWIS through latest publish

Parkdale Water Company Inc Water Quality — Parkdale, Oregon

PWSID OR4100612 · GroundwaterPrivate

867 people served. No health-based SDWIS violations recorded in the past 5 years. 31 remain unresolved. Last cited 2 years ago.

ALL SDWIS VIOLATIONS · 20202026 (annual count)
Bar chart of annual values from 2020 to 2026, in violations. Most recent year (2026): 0 violations.87 violations'20'21'22'23'24'25'260 violations
Anomaly engine

Active signals

UNRESOLVED VIOLATION · SDWIS VIOLATION

Contaminant 3028

Unresolved Drinking water rule (140) violation cited in 2024 (contaminant 3028).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Contaminant 3028

Unresolved Drinking water rule (140) violation cited in 2024 (contaminant 3028).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Endrin

Unresolved Nitrate/Nitrite violation cited in 2020 (endrin).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Lindane

Unresolved Nitrate/Nitrite violation cited in 2020 (lindane).

EPA SDWIS record

Most-cited contaminants

What This Utility Gets Cited For

  • Contaminant 50003 citations
  • Endrin3 citations
  • Lindane3 citations
  • Methoxychlor3 citations
  • Toxaphene3 citations
  • Contaminant 20313 citations
Violation history

What's On The SDWIS Record

Health-based violations exceed an MCL or treatment-technique standard. Monitoring violations are reporting failures with no measured exceedance — they tell you the system isn't fully transparent, not that the water is unsafe today.

MONITORING · CONTAMINANT 3028UNRESOLVED

2024 · Contaminant 3028 · Drinking water rule (140)

Failure to monitor as scheduled

CONTAMINANT CODE 3028

MONITORING · CONTAMINANT 3028UNRESOLVED

2024 · Contaminant 3028 · Drinking water rule (140)

Failure to monitor as scheduled

CONTAMINANT CODE 3028

MONITORING · CONTAMINANT 5000

2022 · Contaminant 5000 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 5000

MONITORING · CONTAMINANT 5000

2022 · Contaminant 5000 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 5000

MONITORING · CONTAMINANT 5000

2022 · Contaminant 5000 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 5000

MONITORING · ENDRIN

2020 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2005

MONITORING · ENDRINUNRESOLVED

2020 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2005

MONITORING · ENDRIN

2020 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2005

MONITORING · LINDANE

2020 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2010

MONITORING · LINDANEUNRESOLVED

2020 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2010

MONITORING · LINDANE

2020 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2010

MONITORING · METHOXYCHLOR

2020 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2015

MONITORING · METHOXYCHLORUNRESOLVED

2020 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2015

MONITORING · METHOXYCHLOR

2020 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2015

MONITORING · TOXAPHENE

2020 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2020

MONITORING · TOXAPHENEUNRESOLVED

2020 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2020

MONITORING · TOXAPHENE

2020 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2020

MONITORING · CONTAMINANT 2031

2020 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2031UNRESOLVED

2020 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2031

2020 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2032

2020 · Contaminant 2032 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2032

MONITORING · CONTAMINANT 2032UNRESOLVED

2020 · Contaminant 2032 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2032

MONITORING · CONTAMINANT 2032

2020 · Contaminant 2032 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2032

MONITORING · CONTAMINANT 2033

2020 · Contaminant 2033 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2033

MONITORING · CONTAMINANT 2033UNRESOLVED

2020 · Contaminant 2033 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2033

MONITORING · CONTAMINANT 2033

2020 · Contaminant 2033 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2033

MONITORING · CONTAMINANT 2034

2020 · Contaminant 2034 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2034

MONITORING · CONTAMINANT 2034UNRESOLVED

2020 · Contaminant 2034 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2034

MONITORING · CONTAMINANT 2034

2020 · Contaminant 2034 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2034

MONITORING · CONTAMINANT 2035

2020 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2035UNRESOLVED

2020 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2035

2020 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2036

2020 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2036UNRESOLVED

2020 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2036

2020 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2037

2020 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2037UNRESOLVED

2020 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2037

2020 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2039

2020 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2039UNRESOLVED

2020 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2039

2020 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2040

2020 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2040UNRESOLVED

2020 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2040

2020 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2041

2020 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2041UNRESOLVED

2020 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2041

2020 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2042

2020 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2042UNRESOLVED

2020 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2042

2020 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2046

2020 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2046UNRESOLVED

2020 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2046

2020 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2046

MONITORING · 2,4-D

2020 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2050

MONITORING · 2,4-DUNRESOLVED

2020 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2050

MONITORING · 2,4-D

2020 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2050

MONITORING · CONTAMINANT 2051

2020 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2051

MONITORING · CONTAMINANT 2051UNRESOLVED

2020 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2051

MONITORING · CONTAMINANT 2051

2020 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2051

MONITORING · 2,4,5-TP (SILVEX)

2020 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2065

MONITORING · 2,4,5-TP (SILVEX)UNRESOLVED

2020 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2065

MONITORING · 2,4,5-TP (SILVEX)

2020 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2065

MONITORING · CONTAMINANT 2067

2020 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2067

MONITORING · CONTAMINANT 2067UNRESOLVED

2020 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2067

MONITORING · CONTAMINANT 2067

2020 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2067

MONITORING · ALACHLOR

2020 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2105

MONITORING · ALACHLORUNRESOLVED

2020 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2105

MONITORING · ALACHLOR

2020 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2105

MONITORING · ATRAZINE

2020 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2110

MONITORING · ATRAZINEUNRESOLVED

2020 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2110

MONITORING · ATRAZINE

2020 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2110

MONITORING · CONTAMINANT 2274

2020 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2274

MONITORING · CONTAMINANT 2274UNRESOLVED

2020 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2274

MONITORING · CONTAMINANT 2274

2020 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2274

MONITORING · CARBOFURAN

2020 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2306

MONITORING · CARBOFURANUNRESOLVED

2020 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2306

MONITORING · CARBOFURAN

2020 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2306

MONITORING · CONTAMINANT 2326

2020 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2326

MONITORING · CONTAMINANT 2326UNRESOLVED

2020 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2326

MONITORING · CONTAMINANT 2326

2020 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2326

MONITORING · TRICHLOROETHYLENE (TCE)

2020 · Trichloroethylene (TCE) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2383

MONITORING · TRICHLOROETHYLENE (TCE)UNRESOLVED

2020 · Trichloroethylene (TCE) · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2383

MONITORING · TRICHLOROETHYLENE (TCE)

2020 · Trichloroethylene (TCE) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2383

MONITORING · CONTAMINANT 2931

2020 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2931UNRESOLVED

2020 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2931

2020 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2946

2020 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2946UNRESOLVED

2020 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2946

2020 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2959

2020 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2959

MONITORING · CONTAMINANT 2959UNRESOLVED

2020 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2959

MONITORING · CONTAMINANT 2959

2020 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2959

Equity context · ACS 2018-2022 · USEPA-clone EJ disparity

Who Drinks This Water

Hood River County, Oregon (utility's served county per SDWIS GEOGRAPHIC_AREA — city-level not yet matched): a service population of 23,965. Local disparity score for pm2.5 (fine particulate) sits moderately above the reference (118). Why we surface this →

POPULATION SHARE
6.6%

Low-income

POPULATION SHARE
37.5%

People of color

POPULATION SHARE
6.2%

Under age 5

POPULATION SHARE
17.1%

Over age 64

NATIONAL PERCENTILE · vs all US block groups (population-weighted; ranked against the national EJScreen indicator distribution)

  • PM2.5 (fine particulate)Health riskFine inhalable particles 2.5 micrometers or smaller. They travel deep into the lungs and into the bloodstream — linked to asthma, heart disease, stroke, and premature death.96in the highest 5% nationally
  • OzoneHealth riskGround-level ozone (smog) inflames the airways. Even short exposures trigger asthma attacks and worsen chronic lung and heart disease.10below the national median
  • Nitrogen dioxide (NO₂)Health riskA tailpipe and combustion gas. Concentrates near busy roads and industrial sites; raises risk of airway inflammation, asthma, and lower respiratory infections in children.21below the national median
  • Diesel particulateHealth riskSoot from diesel engines (trucks, trains, ports, construction). EPA classifies it as a likely human carcinogen and a major driver of childhood asthma near freight corridors.22below the national median
  • Toxic releases (RSEI)Health riskEPA's Risk-Screening Environmental Indicators score — weights TRI chemical releases by toxicity, where they go, and how many people are nearby. Higher means greater modeled cancer and chronic-health risk.30below the national median
  • Traffic proximityHealth riskPopulation-weighted distance to high-volume roads. Living close to heavy traffic raises exposure to PM2.5, NO₂, and diesel exhaust — and the cardiovascular and asthma risks that follow.27below the national median
  • Lead-paint risk (pre-1960 housing)Health riskShare of housing built before 1960, when lead-based paint was common. Dust from deteriorating paint is the leading cause of childhood lead poisoning, which permanently impairs cognitive development.64above the national median
  • Superfund site proximityHealth riskPopulation-weighted distance to NPL Superfund sites — the most contaminated waste sites in the country. Nearby groundwater, soil, and air can carry industrial solvents, metals, and other long-lived contaminants.56near the national median
  • RMP-facility proximityHealth riskDistance to facilities holding chemicals at quantities large enough to require an EPA Risk Management Plan (refineries, fertilizer plants, etc.). These pose acute exposure risk during accidental releases.58near the national median
  • Hazardous-waste site proximityHealth riskDistance to RCRA hazardous-waste handlers (treatment, storage, disposal facilities). Indicates potential exposure to industrial chemicals in air, soil, and groundwater.28below the national median
  • Underground storage tanksHealth riskDensity of underground tanks (gasoline, heating oil, industrial fluids). Leaking tanks are a leading source of benzene and other volatile organic compounds in groundwater drinking-water supplies.58near the national median
  • NPDES wastewater proximityHealth riskDistance to permitted industrial wastewater dischargers. Closer proximity raises exposure to pollutants released into surface waters used for fishing, recreation, and downstream drinking-water intakes.18below the national median
  • Drinking-water non-complianceHealth riskEPA score for public water systems with health-based Safe Drinking Water Act violations. Higher means more residents on systems that recently exceeded safe limits for contaminants like lead, arsenic, or nitrate.98in the highest 5% nationally
EJ disparity scores · service-area block groups (100 = national reference; higher = greater disparate burden)
IndicatorDisparity scoreReading
PM2.5 (fine particulate)118moderately above the reference
Ozone26well below the reference
Nitrogen dioxide (NO₂)29well below the reference
Diesel particulate27well below the reference
Toxic releases (RSEI)27well below the reference
Traffic proximity29well below the reference
Lead-paint risk (pre-1960 housing)67below the reference
Superfund site proximity3well below the reference
RMP-facility proximity63below the reference
Hazardous-waste site proximity31well below the reference
Underground storage tanks56below the reference
NPDES wastewater proximity19well below the reference
Drinking-water non-compliance66below the reference

Source: Census ACS 2018-2022 (5-year) + USEPA-clone EJ blockgroup stats (raw indicators + EJ disparity mirror).

Source. EPA Safe Drinking Water Information System · retrieved 2026-05-07. Reporting period 2020-01-012026-05-07.

What this is not. SDWIS records compliance against federal MCLs — not a direct readout of tap-water concentrations. Active health-based violations are not the same as a current crisis; we link to the EPA record so you can verify return-to-compliance status before forming a conclusion.