OHA Drinking Water Services
OR41
PWS ID: 00492 ---- LOWELL, 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
Mar 01, 2026 (pdf) Apr 01, 2026 WTP-BYYYYY
Feb 01, 2026 (pdf) Mar 04, 2026 WTP-BYYYYY
Jan 01, 2026 (pdf) Feb 02, 2026 WTP-BYYYYY
Dec 01, 2025 (pdf) Jan 05, 2026 WTP-BYYYYY
Nov 01, 2025 (pdf) Dec 02, 2025 WTP-BYYYYY
Oct 01, 2025 (pdf) Nov 04, 2025 WTP-BYYYYY
Sep 01, 2025 (pdf) Oct 06, 2025 WTP-BYYYYY
Aug 01, 2025 (pdf) Sep 04, 2025 WTP-BYYYYY
Jul 01, 2025 (pdf) Aug 04, 2025 WTP-BYYYYY
Jun 01, 2025 (pdf) Jul 07, 2025 WTP-BYYYYY
May 01, 2025 (pdf) Jun 10, 2025 WTP-BYYYYY
Apr 01, 2025 (pdf) May 06, 2025 WTP-BYYYYY
Mar 01, 2025 (pdf) Apr 02, 2025 WTP-BYYYYY
Feb 01, 2025 (pdf) Mar 04, 2025 WTP-BYYYYY
Jan 01, 2025 (pdf) Feb 05, 2025 WTP-BYYYYY
Nov 01, 2024 (pdf) Dec 10, 2024 WTP-BYYYYY
Oct 01, 2024 (pdf) Nov 07, 2024 WTP-BYYYYY
Sep 01, 2024 (pdf) Oct 10, 2024 WTP-BYYYYY
Aug 01, 2024 (pdf) Sep 09, 2024 WTP-BYYYYY
Jul 01, 2024 (pdf) Aug 07, 2024 WTP-BYYYYY
Jun 01, 2024 (pdf) Jul 09, 2024 WTP-BYYYYY
May 01, 2024 (pdf) Jun 10, 2024 WTP-BYYYYY
Apr 01, 2024 (pdf) May 09, 2024 WTP-BYYYYY
Mar 01, 2024 (pdf) Apr 10, 2024 WTP-BYYYYY
Feb 01, 2024 (pdf) Mar 08, 2024 WTP-BYYYYY
Jan 01, 2024 (pdf) Feb 09, 2024 WTP-BYYYYY
Dec 01, 2023 (pdf) Jan 08, 2024 WTP-BYYYYY
Nov 01, 2023 (pdf) Dec 05, 2023 WTP-BYYYYY
Oct 01, 2023 (pdf) Nov 09, 2023 WTP-BYYYYY
Sep 01, 2023 (pdf) Oct 06, 2023 WTP-BYYYYY
Aug 01, 2023 (pdf) Sep 07, 2023 WTP-BYYYYY
Jul 01, 2023 (pdf) Aug 09, 2023 WTP-BYYYYY
Jun 01, 2023 (pdf) Jul 07, 2023 WTP-BYYYYY
May 01, 2023 (pdf) Jun 07, 2023 WTP-BYYYYY
Apr 01, 2023 (pdf) May 08, 2023 WTP-BYYYYY
Mar 01, 2023 (pdf) Apr 06, 2023 WTP-BYYYYY
Feb 01, 2023 (pdf) Mar 11, 2023
Late
WTP-BYYYYY
Jan 01, 2023 (pdf) Feb 07, 2023 WTP-BYYYYY
Dec 01, 2022 (pdf) Jan 09, 2023 WTP-BYYYYY
Nov 01, 2022 (pdf) Dec 06, 2022 WTP-BYYYYY
Oct 01, 2022 (pdf) Nov 09, 2022 WTP-BYYYYY
Sep 01, 2022 (pdf) Oct 05, 2022 WTP-BYYYYY
Aug 01, 2022 (pdf) Sep 06, 2022 WTP-BYYYYY
Jul 01, 2022 (pdf) Aug 09, 2022 WTP-BYYYYY
Jun 01, 2022 (pdf) Jul 06, 2022 WTP-BYYYYY
May 01, 2022 (pdf) Jun 09, 2022 WTP-BYYYYY
Apr 01, 2022 (pdf) May 06, 2022 WTP-BYYYYY
Mar 01, 2022 (pdf) Apr 07, 2022 WTP-BYYYYY
Feb 01, 2022 (pdf) Mar 09, 2022 WTP-BYYYYY
Jan 01, 2022 (xlsx) Feb 07, 2022 WTP-BYYYYY
Dec 01, 2021 (pdf) Jan 10, 2022 WTP-BYYYYY
Nov 01, 2021 (pdf) Dec 08, 2021 WTP-BYYYYY
Oct 01, 2021 (pdf) Nov 08, 2021 WTP-BYYYYY
Sep 01, 2021 (pdf) Oct 07, 2021 WTP-BYYYYY
Aug 01, 2021 (pdf) Sep 10, 2021 WTP-BYYYYY
Jul 01, 2021 (pdf) Aug 10, 2021 WTP-BYYYYY
Jun 01, 2021 (pdf) Jul 08, 2021 WTP-BYYYYY
May 01, 2021 (pdf) Jun 09, 2021 WTP-BYYYYY
Apr 01, 2021 (pdf) May 07, 2021 WTP-BYYYYY
Mar 01, 2021 (pdf) Apr 08, 2021 WTP-BYYYYY
Feb 01, 2021 (pdf) Mar 02, 2021 WTP-BYYYYY
Jan 01, 2021 (pdf) Feb 10, 2021 WTP-BYYYYY