OHA Drinking Water Services
OR41
PWS ID: 00673 ---- PRAIRIE CITY
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
May 01, 2024 May 31, 2024 WTP-AYYYY
Apr 01, 2024 May 02, 2024 WTP-AYYYY
Mar 01, 2024 Apr 01, 2024 WTP-AYYYY
Feb 01, 2024 Feb 29, 2024 WTP-AYYYY
Jan 01, 2024 Feb 01, 2024 WTP-AYYYY
Dec 01, 2023 Jan 02, 2024 WTP-AYYYY
Nov 01, 2023 Dec 05, 2023 WTP-AYYYY
Oct 01, 2023 Nov 01, 2023 WTP-AYYYY
Sep 01, 2023 Oct 02, 2023 WTP-AYYYY
Aug 01, 2023 Sep 05, 2023 WTP-AYYYY
Jul 01, 2023 Aug 01, 2023 WTP-AYYYY
Jun 01, 2023 Jul 05, 2023 WTP-AYYYY
May 01, 2023 Jun 01, 2023 WTP-AYYYY
Apr 01, 2023 May 02, 2023 WTP-AYYYY
Mar 01, 2023 Mar 31, 2023 WTP-AYYYY
Feb 01, 2023 Feb 28, 2023 WTP-AYYYY
Jan 01, 2023 Feb 01, 2023 WTP-AYYYY
Dec 01, 2022 Jan 03, 2023 WTP-AYYYY
Nov 01, 2022 Dec 01, 2022 WTP-AYYYY
Oct 01, 2022 Nov 01, 2022 WTP-AYYYY
Sep 01, 2022 Oct 04, 2022 WTP-AYYYY
Aug 01, 2022 Sep 08, 2022 WTP-AYYYY
Jul 01, 2022 Aug 08, 2022 WTP-AYYYY
Jun 01, 2022 Jul 08, 2022 WTP-AYYYY
May 01, 2022 Jun 02, 2022 WTP-AYYYY
Apr 01, 2022 May 04, 2022 WTP-AYYYY
Mar 01, 2022 Apr 01, 2022 WTP-AYYYY
Feb 01, 2022 Mar 07, 2022 WTP-AYYYY
Jan 01, 2022 Feb 01, 2022 WTP-AYYYY
Dec 01, 2021 Jan 03, 2022 WTP-AYYYY
Nov 01, 2021 Dec 01, 2021 WTP-AYYYY
Oct 01, 2021 Nov 02, 2021 WTP-AYYYY
Sep 01, 2021 Oct 04, 2021 WTP-AYYYY
Aug 01, 2021 Sep 01, 2021 WTP-AYYYY
Jul 01, 2021 Aug 06, 2021 WTP-AYYYY
Jun 01, 2021 Jul 01, 2021 WTP-AYYYY
May 01, 2021 Jun 02, 2021 WTP-AYYYY
Apr 01, 2021 May 03, 2021 WTP-AYYYY
Mar 01, 2021 Apr 01, 2021 WTP-AYYYY
Feb 01, 2021 Mar 01, 2021 WTP-AYYYY
Jan 01, 2021 Feb 01, 2021 WTP-AYYYY
Dec 01, 2020 Jan 04, 2021 WTP-AYYYY
Nov 01, 2020 Nov 30, 2020 WTP-AYYYY
Oct 01, 2020 Nov 02, 2020 WTP-AYYYY
Sep 01, 2020 Oct 01, 2020 WTP-AYYYY
Aug 01, 2020 Sep 03, 2020 WTP-AYYYY
Jul 01, 2020 Aug 03, 2020 WTP-AYYYY
Jun 01, 2020 Jul 01, 2020 WTP-AYYYY
May 01, 2020 Jun 01, 2020 WTP-AYYYY
Apr 01, 2020 May 01, 2020 WTP-AYYYY
Mar 01, 2020 Apr 01, 2020 WTP-AYYYY
Feb 01, 2020 Mar 02, 2020 WTP-AYYYY
Jan 01, 2020 Feb 03, 2020 WTP-AYYYY
Dec 01, 2019 Jan 03, 2020 WTP-AYYYY
Nov 01, 2019 Dec 05, 2019 WTP-AYYYY
Oct 01, 2019 Oct 31, 2019 WTP-AYYYY
Sep 01, 2019 Sep 30, 2019 WTP-AYYYY
Aug 01, 2019 Sep 04, 2019 WTP-AYYYY
Jul 01, 2019 Aug 01, 2019 WTP-AYYYY
Jun 01, 2019 Jul 01, 2019 WTP-AYYYY
May 01, 2019 May 31, 2019 WTP-AYYYY
Apr 01, 2019 May 01, 2019 WTP-AYYYY
Mar 01, 2019 Apr 01, 2019 WTP-AYYYY
Feb 01, 2019 Mar 04, 2019 WTP-AYYYY
Jan 01, 2019 Feb 01, 2019 WTP-AYYYY
Dec 01, 2018 Dec 31, 2018 WTP-AYYYY
Nov 01, 2018 Nov 30, 2018 WTP-AYYYY
Oct 01, 2018 Oct 31, 2018 WTP-AYYYY
Sep 01, 2018 Oct 01, 2018 WTP-AYYYY
Aug 01, 2018 Aug 31, 2018 WTP-AYYYY
Jul 01, 2018 Jul 31, 2018 WTP-AYYYY
Jun 01, 2018 Jul 02, 2018 WTP-AYYYY
May 01, 2018 May 31, 2018 WTP-AYYYY
Apr 01, 2018 May 01, 2018 WTP-AYYYY
Mar 01, 2018 Apr 03, 2018 WTP-AYYYY
Feb 01, 2018 Mar 02, 2018 WTP-AYYYY
Jan 01, 2018 Jan 31, 2018 WTP-AYYYY
Dec 01, 2017 Jan 02, 2018 WTP-AYYYY
Nov 01, 2017 Dec 01, 2017 WTP-AYYYY
Oct 01, 2017 Oct 31, 2017 WTP-AYYYY
Sep 01, 2017 Oct 02, 2017 WTP-AYYYY
Aug 01, 2017 Sep 01, 2017 WTP-AYYYY
Jul 01, 2017 Aug 01, 2017 WTP-AYYYY
Jun 01, 2017 Jun 30, 2017 WTP-AYYYY
May 01, 2017 May 31, 2017 WTP-AYYYY
Apr 01, 2017 May 02, 2017 WTP-AYYYY
Mar 01, 2017 Mar 31, 2017 WTP-AYYYY
Feb 01, 2017 Mar 02, 2017 WTP-AYYYY
Jan 01, 2017 Feb 02, 2017 WTP-AYYYY
Dec 01, 2016 Jan 03, 2017 WTP-AYYYY
Nov 01, 2016 Dec 01, 2016 WTP-AYYYY
Oct 01, 2016 Nov 01, 2016 WTP-AYYYY
Sep 01, 2016 Sep 30, 2016 WTP-AYYYY
Aug 01, 2016 Aug 31, 2016 WTP-AYYYY
Jul 01, 2016 Aug 01, 2016 WTP-AYYYY
Jun 01, 2016 Jul 01, 2016 WTP-AYYYY
May 01, 2016 Jun 06, 2016 WTP-AYYYY
Apr 01, 2016 May 02, 2016 WTP-AYYYY
Mar 01, 2016 Apr 04, 2016 WTP-AYYYY
Feb 01, 2016 Mar 01, 2016 WTP-AYYYY
Jan 01, 2016 Feb 01, 2016 WTP-AYYYY
Dec 01, 2015 Jan 04, 2016 WTP-AYYYY
Nov 01, 2015 Nov 30, 2015 WTP-AYYYY
Oct 01, 2015 Nov 02, 2015 WTP-AYYYY
Sep 01, 2015 Oct 01, 2015 WTP-AYYYY
Aug 01, 2015 Sep 01, 2015 WTP-AYYYY
Jul 01, 2015 Aug 03, 2015 WTP-AYYYY
Jun 01, 2015 Jun 30, 2015 WTP-AYYYY
May 01, 2015 Jun 08, 2015 WTP-AYYYY
Apr 01, 2015 May 11, 2015
Late
WTP-AYYYY
Mar 01, 2015 Apr 10, 2015 WTP-AYYYY
Feb 01, 2015 Mar 06, 2015 WTP-AYYYY
Jan 01, 2015 Feb 09, 2015 WTP-AYYYY
Dec 01, 2014 Jan 08, 2015 WTP-AYYYY
Nov 01, 2014 Dec 08, 2014 WTP-AYYYY
Oct 01, 2014 Nov 07, 2014 WTP-AYYYY
Sep 01, 2014 Oct 06, 2014 WTP-AYYYY
Aug 01, 2014 Sep 05, 2014 WTP-AYYYY
Jul 01, 2014 Aug 07, 2014 WTP-AYYYY
Jun 01, 2014 Jul 07, 2014 WTP-AYYYY
May 01, 2014 Jun 05, 2014 WTP-AYYYY
Apr 01, 2014 May 08, 2014 WTP-AYYYY
Mar 01, 2014 Apr 04, 2014 WTP-AYYYY
Feb 01, 2014 Mar 06, 2014 WTP-AYYYY
Jan 01, 2014 Feb 06, 2014 WTP-AYYYY
Dec 01, 2013 Jan 03, 2014 WTP-AYYYY
Nov 01, 2013 Dec 05, 2013 WTP-AYYYY
Oct 01, 2013 Nov 06, 2013 WTP-AYYYY
Sep 01, 2013 Oct 04, 2013 WTP-AYYYY
Aug 01, 2013 Sep 06, 2013 WTP-AYYYY
Jul 01, 2013 Aug 05, 2013 WTP-AYYYY
Jun 01, 2013 Jul 03, 2013 WTP-AYYYY
May 01, 2013 Jun 06, 2013 WTP-AYYYY
Apr 01, 2013 May 03, 2013 WTP-AYYYY
Mar 01, 2013 Apr 03, 2013 WTP-AYYYY
Feb 01, 2013 Mar 06, 2013 WTP-AYYYY
Jan 01, 2013 Feb 06, 2013 WTP-AYYYY
Dec 01, 2012 Jan 04, 2013 WTP-AYYYY
Nov 01, 2012 Dec 05, 2012 WTP-AYYYY
Oct 01, 2012 Nov 05, 2012 WTP-AYYYY
Sep 01, 2012 Oct 08, 2012 WTP-AYYYY
Aug 01, 2012 Sep 04, 2012 WTP-AYYYY
Jul 01, 2012 Aug 02, 2012 WTP-AYYYY
Jun 01, 2012 Jul 05, 2012 WTP-AYYYY
May 01, 2012 Jun 04, 2012 WTP-AYYYY
Apr 01, 2012 May 04, 2012 WTP-AYYYY
Mar 01, 2012 Apr 09, 2012 WTP-AYYYY
Feb 01, 2012 Mar 02, 2012 WTP-AYYYY
Jan 01, 2012 Feb 06, 2012 WTP-AYYYY



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