OHA Drinking Water Services
OR41
PWS ID: 00225 ---- CORVALLIS, CITY OF


Water System History Details    -   Click here for End-of-Day View
Date of
Status Change		 Record
Sequence		 Active or
Inactive		 Primary
Source		 PWS
Type		 Population PWS
Name
Current Status
10/11/2024
10ASWC61,468        CORVALLIS, CITY OF
10/11/20249ASW C 56,000        CORVALLIS, CITY OF
04/30/20208ASW C 56,000        CORVALLIS, CITY OF
04/15/20207ASW C 56,000        CORVALLIS, CITY OF
03/25/20206ASW C 56,000        CORVALLIS, CITY OF
03/25/20205ASW C 56,000        CORVALLIS, CITY OF
04/24/20174ASW C 54,998        CORVALLIS, CITY OF
01/14/20143ASW C 54,800        CORVALLIS, CITY OF
09/10/20082ASW C 52,000        CORVALLIS, CITY OF
11/10/20031ASW C 50,101        CORVALLIS, CITY OF


Annual Operating Period History
Population
Type		 Avg Daily
Population		 Start
Month		 Start
Day		 End
Month		 End
Day		 Effective
Begin Date		 Effective
End Date
Residential6146811123108/13/2024
Residential5600011123104/24/201708/12/2024
Residential5499811123110/15/201312/28/2016
Residential5480011123101/29/200810/14/2013
Residential5200011123103/25/200301/28/2008
Residential50101111231First Record03/24/2003



More information for this water system: SDWIS ID 3884
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
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
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login