OHA Drinking Water Services
OR41
PWS ID: 00624 ---- PHILOMATH PUBLIC WORKS
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
Mar 01, 2026 (xls) Apr 01, 2026 WTP-AYYYYY
Feb 01, 2026 (xls) Mar 03, 2026 WTP-AYYYYY
Jan 01, 2026 (xls) Feb 03, 2026 WTP-AYYYYY
Dec 01, 2025 (xls) Jan 02, 2026 WTP-AYYYYY
Nov 01, 2025 (xls) Dec 03, 2025 WTP-AYYYYY
Oct 01, 2025 (xls) Nov 01, 2025 WTP-AYYYYY
Sep 01, 2025 (xls) Oct 01, 2025 WTP-AYYYYY
Aug 01, 2025 (xls) Sep 03, 2025 WTP-AYYYYY
Jul 01, 2025 (xls) Aug 01, 2025 WTP-AYYYYY
Jun 01, 2025 (pdf)
Jun 01, 2025 Amended (xls)
Jul 01, 2025 WTP-AYYYYY
May 01, 2025 (xls) Jun 04, 2025 WTP-AYYYYY
Apr 01, 2025 (xls) May 01, 2025 WTP-AYYYYY
Mar 01, 2025 (xls) Apr 01, 2025 WTP-AYYYYY
Feb 01, 2025 (xls) Mar 01, 2025 WTP-AYYYYY
Jan 01, 2025 (xls) Feb 01, 2025 WTP-AYYYYY
Dec 01, 2024 (xls) Jan 02, 2025 WTP-AYYYYY
Nov 01, 2024 (xls) Dec 03, 2024 WTP-AYYYYY
Oct 01, 2024 (xls) Nov 06, 2024 WTP-AYYYYY
Sep 01, 2024 (xls) Oct 02, 2024 WTP-AYYYYY
Aug 01, 2024 (xls) Sep 03, 2024 WTP-AYYYYY
Jul 01, 2024 (xls) Aug 04, 2024 WTP-AYYYYY
Jun 01, 2024 (xls) Jul 01, 2024 WTP-AYYYYY
May 01, 2024 (xls) Jun 02, 2024 WTP-AYYYYY
Apr 01, 2024 (xls) May 01, 2024 WTP-AYYYYY
Mar 01, 2024 (xls) Apr 02, 2024 WTP-AYYYYY
Feb 01, 2024 (xls) Mar 04, 2024 WTP-AYYYYY
Jan 01, 2024 (xls) Feb 04, 2024 WTP-AYYYYY
Dec 01, 2023 (xls) Jan 01, 2024 WTP-AYYYYY
Nov 01, 2023 (xls) Dec 03, 2023 WTP-AYYYYY
Oct 01, 2023 (xls) Nov 01, 2023 WTP-AYYYYY
Sep 01, 2023 (xls) Oct 01, 2023 WTP-AYYYYY
Aug 01, 2023 (xls) Sep 01, 2023 WTP-AYYYYY
Jul 01, 2023 (xls) Aug 01, 2023 WTP-AYYYYY
Jun 01, 2023 (xls) Jul 02, 2023 WTP-AYYYYY
May 01, 2023 (xls) Jun 01, 2023 WTP-AYYYYY
Apr 01, 2023 (xls) May 01, 2023 WTP-AYYYYY
Mar 01, 2023 (xls) Apr 02, 2023 WTP-AYYYYY
Feb 01, 2023 (xls) Mar 01, 2023 WTP-AYYYYY
Jan 01, 2023 (xls) Feb 01, 2023 WTP-AYYYYY
Dec 01, 2022 (xls) Jan 03, 2023 WTP-AYYYYY
Nov 01, 2022 (xls) Dec 04, 2022 WTP-AYYYYY
Oct 01, 2022 (xls) Nov 01, 2022 WTP-AYYYYY
Sep 01, 2022 (xls) Oct 03, 2022 WTP-AYYYYY
Aug 01, 2022 (xls) Sep 01, 2022 WTP-AYYYYY
Jul 01, 2022 (xls) Aug 01, 2022 WTP-AYYYYY
Jun 01, 2022 (xls) Jul 08, 2022 WTP-AYYYYY
May 01, 2022 (xls) Jun 02, 2022 WTP-AYYYYY
Apr 01, 2022 (xls) May 01, 2022 WTP-AYYYYY
Mar 01, 2022 (xls) Apr 03, 2022 WTP-AYYYYY
Feb 01, 2022 (xls) Mar 06, 2022 WTP-AYYYYY
Jan 01, 2022 (xls) Feb 01, 2022 WTP-AYYYYY
Dec 01, 2021 (xls) Jan 02, 2022 WTP-AYYYYY
Nov 01, 2021 (xls) Dec 01, 2021 WTP-AYYYYY
Oct 01, 2021 (xls) Nov 01, 2021 WTP-AYYYYY
Sep 01, 2021 (xls) Oct 02, 2021 WTP-AYYYYY
Aug 01, 2021 (xls) Sep 01, 2021 WTP-AYYYYY
Jul 01, 2021 (xls) Aug 08, 2021 WTP-AYYYYY
Jun 01, 2021 (xls) Jul 01, 2021 WTP-AYYYYY
May 01, 2021 (xls) Jun 01, 2021 WTP-AYYYYY
Apr 01, 2021 (xls) May 02, 2021 WTP-AYYYYY
Mar 01, 2021 (xls) Apr 04, 2021 WTP-AYYYYY
Feb 01, 2021 (xls) Mar 01, 2021 WTP-AYYYYY
Jan 01, 2021 (xls) Feb 01, 2021 WTP-AYYYYY