OHA Drinking Water Services
OR41
PWS ID: 00953 ---- WILLAMINA, CITY OF
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
IFE
Triggers
Met
CT's
Required
Met
Chlorine
at Entry
Point
Oct 01, 2024 (pdf) Nov 01, 2024 WTP-AYYYYY
Sep 01, 2024 (pdf) Oct 03, 2024 WTP-AYYYYY
Aug 01, 2024 (pdf) Sep 05, 2024 WTP-AYYYYY
Jul 01, 2024 (pdf) Aug 02, 2024 WTP-AYYYYY
Jun 01, 2024 (pdf) Jul 03, 2024 WTP-AYYYYY
May 01, 2024 (pdf) Jun 03, 2024 WTP-AYYYYY
Apr 01, 2024 (pdf) May 01, 2024 WTP-AYYYYY
Mar 01, 2024 (pdf) Apr 02, 2024 WTP-AYYYYY
Feb 01, 2024 (pdf) Mar 01, 2024 WTP-AYYYYY
Jan 01, 2024 (pdf) Feb 01, 2024 WTP-AYYYYY
Dec 01, 2023 (pdf) Jan 02, 2024 WTP-AYYYYY
Nov 01, 2023 (pdf) Dec 01, 2023 WTP-AYYYYY
Oct 01, 2023 (pdf) Nov 02, 2023 WTP-AYYYYY
Sep 01, 2023 (pdf) Oct 03, 2023 WTP-AYYYYY
Aug 01, 2023 (pdf) Sep 05, 2023 WTP-AYYYYY
Jul 01, 2023 (pdf) Aug 01, 2023 WTP-AYYYYY
Jun 01, 2023 (pdf) Jul 06, 2023 WTP-AYYYYY
May 01, 2023 (pdf) Jun 02, 2023 WTP-AYYYYY
Apr 01, 2023 (pdf) May 01, 2023 WTP-AYYYYY
Mar 01, 2023 (pdf) Apr 03, 2023 WTP-AYYYYY
Feb 01, 2023 (pdf) Mar 01, 2023 WTP-AYYYYY
Jan 01, 2023 (pdf) Feb 01, 2023 WTP-AYYYYY
Dec 01, 2022 (pdf) Jan 03, 2023 WTP-AYYYYY
Nov 01, 2022 (pdf) Dec 01, 2022 WTP-AYYYYY
Oct 01, 2022 (pdf) Nov 04, 2022 WTP-AYYYYY
Sep 01, 2022 (pdf) Oct 03, 2022 WTP-AYYYYY
Aug 01, 2022 (pdf) Sep 02, 2022 WTP-AYYYYY
Jul 01, 2022 (pdf) Aug 02, 2022 WTP-AYYYYY
Jun 01, 2022 (pdf) Jul 01, 2022 WTP-AYYYYY
May 01, 2022 (pdf) Jun 02, 2022 WTP-AYYYYY
Apr 01, 2022 (pdf) May 03, 2022 WTP-AYYYYY
Mar 01, 2022 (pdf) Apr 01, 2022 WTP-AYYYYY
Feb 01, 2022 (pdf) Mar 03, 2022 WTP-AYYYYY
Jan 01, 2022 (pdf) Feb 01, 2022 WTP-AYYYYY
Dec 01, 2021 (pdf) Jan 03, 2022 WTP-AYYYYY
Nov 01, 2021 (pdf) Dec 01, 2021 WTP-AYYYYY
Oct 01, 2021 (pdf) Nov 01, 2021 WTP-AYYYYY
Sep 01, 2021 (pdf) Oct 01, 2021 WTP-AYYYYY
Aug 01, 2021 (pdf) Sep 02, 2021 WTP-AYYYYY
Jul 01, 2021 (pdf) Aug 03, 2021 WTP-AYYYYY
Jun 01, 2021 (pdf) Jul 01, 2021 WTP-AYYYYY
May 01, 2021 (pdf) Jun 01, 2021 WTP-AYYYYY
Apr 01, 2021 (pdf) May 05, 2021 WTP-AYYYYY
Mar 01, 2021 (pdf) Apr 01, 2021 WTP-AYYYYY
Feb 01, 2021 (pdf) Mar 02, 2021 WTP-AYYYYY
Jan 01, 2021 (pdf) Feb 01, 2021 WTP-AYYYYY
Dec 01, 2020 Jan 04, 2021 WTP-AYYYYY
Nov 01, 2020 Dec 01, 2020 WTP-AYYYYY
Oct 01, 2020 Nov 02, 2020 WTP-AYYYYY
Sep 01, 2020 Oct 02, 2020 WTP-AYYYYY
Aug 01, 2020 Sep 02, 2020 WTP-AYYYYY
Jul 01, 2020 Aug 03, 2020 WTP-AYYYYY
Jun 01, 2020 Jul 01, 2020 WTP-AYYYYY
May 01, 2020 Jun 01, 2020 WTP-AYYYYY
Apr 01, 2020 May 01, 2020 WTP-AYYYYY
Mar 01, 2020 Apr 01, 2020 WTP-AYYYYY
Feb 01, 2020 Mar 02, 2020 WTP-AYYYYY
Jan 01, 2020 Feb 03, 2020 WTP-AYYYYY
Dec 01, 2019 Jan 03, 2020 WTP-AYYYYY
Nov 01, 2019 Dec 03, 2019 WTP-AYYYYY
Oct 01, 2019 Nov 01, 2019 WTP-AYYYYY
Sep 01, 2019 Oct 01, 2019 WTP-AYYYYY
Aug 01, 2019 Sep 03, 2019 WTP-AYYYYY
Jul 01, 2019 Aug 01, 2019 WTP-AYYYYY
Jun 01, 2019 Jul 01, 2019 WTP-AYYYYY
May 01, 2019 Jun 03, 2019 WTP-AYYYYY
Apr 01, 2019 May 01, 2019 WTP-AYYYYY
Mar 01, 2019 Apr 01, 2019 WTP-AYYYYY
Feb 01, 2019 Mar 01, 2019 WTP-AYYYYY
Jan 01, 2019 Feb 01, 2019 WTP-AYYYYY



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