OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00950
Who Was Contacted and Phone: Stephanie Weldon (503) 455-9231
Contact Date: 11/29/2007
Contacted By: HOFELD, EVAN (REGION 1)
Contact Method/Location: Letter
Reasons: Disinfection Byproducts
Details: SUMMARY: HAA5 MCL Exceeded DETAILS: A history of samples for HAA5 shows a pattern of exceeding the MCL of 0.060 mg/l. A compliance letter dates 11/29/07 details steps needed to resolve the MCL violations. Steps include quarterly monitoring for DBPs, issuing a Tier 2 public notice, completing a disinfection profile and a corrective action plan. Full compliance is expected to be demonstrated by June 30, 2009 through fulfillment of the corrective action plan and quarterly sampling showing reduced levels of HAA5. See letter for more details. ACTION NEEDED: System to conduct quarterly monitoring of DBPs, issued Tier 2 public notice, complete disinfection profile and corrective action and demonstrate full compliance by June 30, 2009.
Associated Alerts: CHEM2667 - 10/18/2007 - TOTAL HALOACETIC ACIDS (HAA5)

More information for this water system: SDWIS ID 3919
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