OHA Drinking Water Services
OR41
PWS ID: 91205 ---- MARIAL LODGE
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
Jun 01, 2025 (xls) Jul 09, 2025 WTP-AYYYY
Sep 01, 2024 (xls) Oct 02, 2024 WTP-AYYYY
May 01, 2024 (xls) Jun 09, 2024 WTP-AYYYY
Sep 01, 2023 (xls) Oct 09, 2023 WTP-AYYYY
Jul 01, 2023 (xls) Aug 13, 2023
Late
 WTP-AYYYY
May 01, 2023 (xls) Jun 05, 2023 WTP-AYYYY
Sep 01, 2022 (xls) Oct 10, 2022 WTP-AYYYY
Aug 01, 2022 (xls) Aug 31, 2022 WTP-AYYYY
Jul 01, 2022 (xls) Aug 02, 2022 WTP-AYYYY
Jun 01, 2022 (xls) Jul 07, 2022 WTP-AYYYY
Sep 01, 2021 (xls) Oct 06, 2021 WTP-AYYYY
Aug 01, 2021 (xls) Sep 08, 2021 WTP-AYYYY
Jul 01, 2021 (xls) Aug 03, 2021 WTP-AYYYY
Jun 01, 2021 (xls) Jul 09, 2021 WTP-AYYYY
May 01, 2021 (xls) Jun 03, 2021 WTP-AYYYY