OHA Drinking Water Services
OR41
PWS ID: 90872 ---- NORTHWEST ALUMINUM COMPANY ---- INACTIVE
Violation History

Violations are displayed for the last 5 years only.
Group Abbreviations:  ARS = Arsenic, IOC = Inorganic Chemicals, NO2 = Nitrite, NO3 = Nitrate, SOC = Synthetic Organic Chemicals, TCR = Total Coliform Rule, VOC = Volatile Organic Chemicals
Gray shading indicates return to compliance. 

Hide Auto-RTC  |  Show Determination Dates  |  Return to default sort order
Go to public notices
Violation
Number
Auto-
RTC?
Monitoring Period
Begin
End
Facility
ID
Analyte
Group
Violation Type - Analyte Count
Show analytes for all violations
Enforcement Action - Date
Show history
Points
900592473YJan 01, 2021 Jan 31, 2021 TCR Routine Coliform - Did Not Report ANY - 1 No Longer Required To Comply - Feb 03, 2022 1
900592468NNov 01, 2020 Nov 30, 2020 TCR Acute MCL for E. coli - 1 No Longer Required To Comply - Feb 03, 2022 10
900592337YJan 01, 2019 Dec 31, 2019EP-B NO3 Chemical Late/Nonreporting - 1 No Longer Required To Comply - Feb 03, 2022 5
900592336YJan 01, 2019 Dec 31, 2019EP-C NO3 Chemical Late/Nonreporting - 1 No Longer Required To Comply - Feb 03, 2022 5
900592465YJan 01, 2017 Dec 31, 2019EP-C VOC Chemical Late/Nonreporting - 21  Show analytes No Longer Required To Comply - Feb 03, 2022 1
900592423YJan 01, 2017 Dec 31, 2019EP-B SOC Chemical Late/Nonreporting - 29  Show analytes No Longer Required To Comply - Feb 03, 2022 1
900592394YJan 01, 2017 Dec 31, 2019EP-C SOC Chemical Late/Nonreporting - 29  Show analytes No Longer Required To Comply - Feb 03, 2022 1
900592365YJan 01, 2011 Dec 31, 2019EP-B IOC Chemical Late/Nonreporting - 12  Show analytes No Longer Required To Comply - Feb 03, 2022 1
900592353YJan 01, 2011 Dec 31, 2019EP-C IOC Chemical Late/Nonreporting - 12  Show analytes No Longer Required To Comply - Feb 03, 2022 1
900592341YJan 01, 2011 Dec 31, 2019EP-B ARS Chemical Late/Nonreporting - 1 No Longer Required To Comply - Feb 03, 2022 1
900592340YJan 01, 2011 Dec 31, 2019EP-C ARS Chemical Late/Nonreporting - 1 No Longer Required To Comply - Feb 03, 2022 1
900592339YJan 01, 2011 Dec 31, 2019EP-B NO2 Chemical Late/Nonreporting - 1 No Longer Required To Comply - Feb 03, 2022 1
900592338YJan 01, 2011 Dec 31, 2019EP-C NO2 Chemical Late/Nonreporting - 1 No Longer Required To Comply - Feb 03, 2022 1
SYSTEM SCORE SUMMARY
Learn about system scores
System scores are not calculated for inactive systems

Violation history was last updated on 4/24/2024, 14 hours ago.

For questions regarding these violations contact either:


More information for this water system: SDWIS ID 799
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA
Corrosion Control has moved to the Lead & Copper page.

Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List

Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules

Need help? Email Drinking Water Services for assistance.Staff/Partner Login