OHA Drinking Water Services
OR41
PWS ID: 01449 ---- MARSHLAND WATER ASSOCIATION
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
Mar 01, 2026 (pdf) Apr 09, 2026 WTP-BYYYY
Feb 01, 2026 (pdf) Mar 09, 2026 WTP-BYYYY
Jan 01, 2026 Feb 09, 2026 WTP-BYYYY
Dec 01, 2025 (pdf) Jan 07, 2026 WTP-BYYYY
Nov 01, 2025 (pdf) Dec 09, 2025 WTP-BYYYY
Oct 01, 2025 (pdf) Nov 08, 2025 WTP-BYYYY
Sep 01, 2025 (pdf) Oct 10, 2025 WTP-BYYYY
Aug 01, 2025 (pdf) Sep 10, 2025 WTP-BYYYY
Jul 01, 2025 (pdf) Aug 13, 2025
Late
WTP-BYYYY
Jun 01, 2025 (pdf) Jul 09, 2025 WTP-BYYYY
May 01, 2025 (pdf) Jun 09, 2025 WTP-BYYYY
Apr 01, 2025 (pdf) May 09, 2025 WTP-BYYYY
Mar 01, 2025 (pdf) Apr 08, 2025 WTP-BYYYY
Feb 01, 2025 (pdf) Mar 12, 2025
Late
WTP-BYYYY
Jan 01, 2025 (pdf) Feb 10, 2025 WTP-BYYYY
Dec 01, 2024 (pdf) Jan 09, 2025 WTP-BYYYY
Nov 01, 2024 (pdf) Dec 04, 2024 WTP-BYYYY
Oct 01, 2024 (pdf) Nov 10, 2024 WTP-BYYYY
Sep 01, 2024 (pdf) Oct 08, 2024 WTP-BYYYY
Aug 01, 2024 (pdf) Sep 09, 2024 WTP-BYYYY
Jul 01, 2024 (pdf) Aug 09, 2024 WTP-BYYYY
Jun 01, 2024 (pdf) Jul 10, 2024 WTP-BYYYY
May 01, 2024 (pdf) Jun 07, 2024 WTP-BYYYY
Apr 01, 2024 (pdf) May 10, 2024 WTP-BYYYY
Mar 01, 2024 (pdf) Apr 09, 2024 WTP-BYYYY
Feb 01, 2024 (pdf) Mar 10, 2024 WTP-BYYYY
Jan 01, 2024 (pdf) Feb 12, 2024
Late
WTP-BYYYY
Dec 01, 2023 (pdf) Jan 08, 2024 WTP-BYYYY
Nov 01, 2023 (pdf) Dec 11, 2023
Late
WTP-BYYYY
Oct 01, 2023 (pdf) Nov 10, 2023 WTP-BYYYY
Sep 01, 2023 (pdf) Oct 10, 2023 WTP-BYYYY
Aug 01, 2023 (pdf) Sep 08, 2023 WTP-BYYYY
Jul 01, 2023 (pdf) Aug 10, 2023 WTP-BYYYY
Jun 01, 2023 (pdf) Jul 10, 2023 WTP-BYYYY
May 01, 2023 (pdf) Jun 06, 2023 WTP-BYYYY
Apr 01, 2023 (pdf) May 05, 2023 WTP-BYYYY
Mar 01, 2023 (pdf) Apr 14, 2023
Late
WTP-BYYYY
Feb 01, 2023 (pdf) Mar 10, 2023 WTP-BYYYY
Jan 01, 2023 (pdf) Mar 10, 2023
Late
WTP-BYYYY
Dec 01, 2022 (pdf) Jan 13, 2023
Late
WTP-BYYYY
Nov 01, 2022 (pdf) Dec 09, 2022 WTP-BYYYY
Oct 01, 2022 (pdf) Nov 10, 2022 WTP-BYYYY
Sep 01, 2022 (pdf) Oct 10, 2022 WTP-BYYYY
Aug 01, 2022 (pdf) Sep 09, 2022 WTP-BYYYY
Jul 01, 2022 (pdf) Aug 10, 2022 WTP-BYYYY
Jun 01, 2022 (pdf) Jul 08, 2022 WTP-BYYYY
May 01, 2022 (pdf) Jun 10, 2022 WTP-BYYYY
Apr 01, 2022 (pdf) May 10, 2022 WTP-BYYYY
Mar 01, 2022 (pdf) Apr 09, 2022 WTP-BYYYY
Feb 01, 2022 (pdf) Mar 11, 2022
Late
WTP-BYYYY
Jan 01, 2022 (pdf) Feb 10, 2022 WTP-BYYYY
Dec 01, 2021 (pdf) Jan 10, 2022 WTP-BYYYY
Nov 01, 2021 (pdf) Jan 20, 2022
Late
WTP-BYYYY
Oct 01, 2021 (pdf) Nov 10, 2021 WTP-BYYYY
Sep 01, 2021 (pdf) Oct 09, 2021 WTP-BYYYY
Aug 01, 2021 (pdf) Sep 10, 2021 WTP-BYYYY
Jul 01, 2021 (pdf) Aug 10, 2021 WTP-BYYYY
Jun 01, 2021 (pdf) Jul 13, 2021
Late
WTP-BYYYY
May 01, 2021 (pdf) Jun 10, 2021 WTP-BYYYY
Apr 01, 2021 (pdf) May 10, 2021 WTP-BYYYY
Feb 01, 2021 (pdf) Mar 10, 2021 WTP-BYYYY
Jan 01, 2021 (pdf) Feb 10, 2021 WTP-BYYYY