OHA Drinking Water Services
OR41
PWS ID: 90872 ---- NORTHWEST ALUMINUM COMPANY ---- INACTIVE
Coliform fact sheet

Archived Coliform Test Results (Pre-2002)
Sample DateType # Samples Repeat of Total Pos. (1=Yes) Fecal Pos. (1=Yes) Sample Site Received on
Oct 22, 2001R100 Nov 02, 2001
Jul 16, 2001R100 Aug 06, 2001
Apr 03, 2001R100 Apr 09, 2001
Jan 03, 2001R100 Jan 08, 2001
Oct 04, 2000R100 Oct 10, 2000
Jul 05, 2000R100 Jul 11, 2000
Apr 05, 2000R100 Apr 10, 2000
Jan 05, 2000R100 Jan 21, 2000
Oct 06, 1999R100 Oct 15, 1999
Jul 07, 1999R100 Jul 12, 1999
Jun 18, 1999S100A ROOM EAST GAZEBOJun 28, 1999
Apr 07, 1999R100 Apr 12, 1999
Feb 03, 1999S100NWAS LUNCHROOMFeb 08, 1999
Jan 06, 1999R100 Jan 11, 1999



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  ::  DW Source Protection
New! Visit our new Drinking Water Source Protection 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  ::  DW Source Protection
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login