OHA Drinking Water Services
OR41 00379 JOINT WATER COMMISSION Classification: COMMUNITY - Wholesale
Contact: CHRIS WILSON Phone: 503-615-6671 View on Map
150 E MAIN ST County: WASHINGTON
HILLSBORO, OR 97123 Activity Status: Active -- History
Population: 400,000 Number of Connections: 4
Operating Period: January 1 to December 31 Regulating Agency: REGION 1
Certified Operator(s) Owner Type: LOCAL GOVERNMENT
Required: Y Licensed By: N/A
Distribution class: None Last Survey Date:  Jun 16, 2024
Treatment class: 4
Filtration Endorsement Required: No Source Water Protection Status

Sources
Facility ID Facility Name Activity Status Availability Source Type
EP-A EP FOR TUALATIN RIVER A SW
SRC-AA TUALATIN RIVER A Permanent SW
Find Purchasers/Sellers


Treatment
Facility ID Facility Name Filter Type Giardia Removal
Credit		 Treatment Process Treatment Objective
WTP-A TP FOR TUALATIN RIVER Conventional Filtration 2.5-logFILTRATION, RAPID SAND PARTICULATE REMOVAL
GASEOUS CHLORINATION, POST DISINFECTION
GASEOUS CHLORINATION, PRE DISINFECTION
PH ADJ-CAUSTIC SODA CORROSION CONTROL
COAGULATION PARTICULATE REMOVAL
FLOCCULATION PARTICULATE REMOVAL
RAPID MIX PARTICULATE REMOVAL
SEDIMENTATION PARTICULATE REMOVAL
ACTIVATED CARBON, POWDERED TASTE / ODOR CONTROL

Consumer Confidence Reports (Last 5 Years)
Only non-wholesale community water systems require consumer confidence reports.

Cross Connection/Backflow Prevention Information (Last 3 Records)
Enabling Authority Received Annual Summary
Report Received		 Cross Connection
Fee Status
No 2007
  2006
  2005

More information for this water system: SDWIS ID 3889
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