OHA Drinking Water Services
OR41
PWS ID: 94558 ---- COOS CO PKS - WEST LAVERNE
Surface Water Treatment Rule

MRDL Summary

Abbreviations:  CFE = Combined filter effluent, CT = Contact time, IFE = Individual filter effluent, MCL = Maximum contaminant level, MRDL = Maximum residual disinfection level, N = No (requirement was not met), WTP = Water treatment plant, Y = Yes (requirement was met).

Results not meeting criteria are outlined in red.

Monitoring
Period
Date
Received
Entry
Point
< CFE 95 %
Turbidity
MCL
< CFE Max
Turbidity
MCL
CT's
Required
Met
Chlorine
at Entry
Point
Membrane
Parameters
Met
May 01, 2024 Jun 04, 2024 WTP-AYYYY
Sep 01, 2023 Oct 02, 2023 WTP-AYYYY
Aug 01, 2023 Sep 01, 2023 WTP-AYYYY
Jul 01, 2023 Aug 01, 2023 WTP-AYYYY
Jun 01, 2023 Jul 01, 2023 WTP-AYYYY
Oct 01, 2022 Nov 09, 2022 WTP-AYYYY
Sep 01, 2022 Oct 03, 2022 WTP-AYYYY
Aug 01, 2022 Aug 31, 2022 WTP-AYYYY
Jul 01, 2022 Aug 03, 2022 WTP-AYYYY
Jun 01, 2022 Jul 05, 2022 WTP-AYYYY
May 01, 2022 Jun 06, 2022 WTP-AYYYY
Sep 01, 2021 Oct 07, 2021 WTP-AYYYY
Aug 01, 2021 Sep 07, 2021 WTP-AYYYY
Jul 01, 2021 Aug 05, 2021 WTP-AYYYY
Jun 01, 2021 Jul 07, 2021 WTP-AYYYY
May 01, 2021 Jun 08, 2021 WTP-AYYYY
Oct 01, 2020 Nov 05, 2020 WTP-AYYYY
Sep 01, 2020 Oct 06, 2020 WTP-AYYYY
Aug 01, 2020 Sep 03, 2020 WTP-AYYYY
Jul 01, 2020 Aug 02, 2020 WTP-AYYYY
Jun 01, 2020 Jul 02, 2020 WTP-AYYYY
May 01, 2020 Jun 04, 2020 WTP-AYYYY
Sep 01, 2019 Oct 07, 2019 WTP-AYYYY
Aug 01, 2019 Sep 03, 2019 WTP-AYYYY
Jul 01, 2019 Aug 04, 2019 WTP-AYYYY
Jun 01, 2019 Jun 30, 2019 WTP-AYYYY
May 01, 2019 Jun 03, 2019 WTP-AYYYY
Oct 01, 2018 Oct 31, 2018 WTP-AYYYY
Sep 01, 2018 Oct 09, 2018 WTP-AYYYY
Aug 01, 2018 Aug 31, 2018 WTP-AYYYY
Jul 01, 2018 Aug 01, 2018 WTP-AYYYY
Jun 01, 2018 Jul 05, 2018 WTP-AYYYY
Oct 01, 2017 Nov 02, 2017 WTP-AYYYY
Sep 01, 2017 Oct 01, 2017 WTP-AYYYY
Aug 01, 2017 Sep 05, 2017 WTP-AYYYY
Jul 01, 2017 Aug 06, 2017 WTP-AYYYY
Jun 01, 2017 Jul 03, 2017 WTP-AYYYY
May 01, 2017 Jun 01, 2017 WTP-AYYYY
Oct 01, 2016 Nov 02, 2016 WTP-AYYYY
Sep 01, 2016 Oct 03, 2016 WTP-AYYYY
Aug 01, 2016 Aug 30, 2016 WTP-AYYYY
Jul 01, 2016 Aug 18, 2016
Late
WTP-AYYYY
Jun 01, 2016 Jul 03, 2016 WTP-AYYYY
May 01, 2016 Jun 02, 2016 WTP-AYYYY
Sep 01, 2015 Oct 04, 2015 WTP-AYYYY
Aug 01, 2015 Aug 31, 2015 WTP-AYYYY
Jul 01, 2015 Aug 16, 2015
Late
WTP-AYYYY
May 01, 2015 Jun 01, 2015 WTP-AYYYY
Oct 01, 2014 Nov 03, 2014 WTP-AYYYY
Sep 01, 2014 Oct 01, 2014 WTP-AYYYY
Aug 01, 2014 Sep 03, 2014 WTP-AYYYY
Jul 01, 2014 Aug 05, 2014 WTP-AYYYY
Jun 01, 2014 Jun 30, 2014 WTP-AYYYY
Sep 01, 2013 Oct 10, 2013 WTP-AYYYY
Jul 01, 2013 Aug 05, 2013 WTP-AYYYY
Jun 01, 2013 Jul 09, 2013 WTP-AYYYY
May 01, 2013 Jun 10, 2013 WTP-AYYYY
Oct 01, 2012 Oct 31, 2012 WTP-AYYYY
Sep 01, 2012 Oct 05, 2012 WTP-AYYYY
Aug 01, 2012 Sep 04, 2012 WTP-AYYYY
Jul 01, 2012 Aug 01, 2012 WTP-AYYYY
Jun 01, 2012 Jul 09, 2012 WTP-AYYYY



More information for this water system: SDWIS ID 4234
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