OHA Drinking Water Services
OR41
PWS ID: 92786 ---- USFS WHISPERING FALLS CG
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
Sep 01, 2025 (pdf) Oct 06, 2025 WTP-AYYYY
Aug 01, 2025 (pdf) Sep 08, 2025 WTP-AYYYY
Jul 01, 2025 (pdf) Aug 07, 2025 WTP-AYYYY
Jun 01, 2025 (pdf) Jul 07, 2025 WTP-AYYYY
May 01, 2025 (pdf) Jun 05, 2025 WTP-AYYYY
Apr 01, 2025 (pdf) May 07, 2025 WTP-AYYYY
Sep 01, 2024 (pdf) Oct 07, 2024 WTP-AYYYY
Aug 01, 2024 (pdf) Sep 04, 2024 WTP-AYYYY
Jul 01, 2024 (pdf) Aug 06, 2024 WTP-AYYYY
Jun 01, 2024 (pdf) Jul 02, 2024 WTP-AYYYY
May 01, 2024 (pdf) Jun 04, 2024 WTP-AYYYY
Sep 01, 2023 (xlsx) Oct 01, 2023 WTP-AYYYY
Aug 01, 2023 (xls) Sep 05, 2023 WTP-AYYYY
Jul 01, 2023 (xls) Aug 10, 2023 WTP-AYYYY
Jun 01, 2023 (xls) Jul 07, 2023 WTP-AYYYY
May 01, 2023 (xls) Jun 11, 2023
Late
 WTP-AYYYY
Sep 01, 2022 (xls) Oct 13, 2022
Late
 WTP-AYYYY
Aug 01, 2022 (pdf) Sep 02, 2022 WTP-AYYYY
Jul 01, 2022 (xls) Aug 05, 2022 WTP-AYYYY
Jun 01, 2022 (pdf) Jul 06, 2022 WTP-AYYYY
May 01, 2022 (xls) Jun 03, 2022 WTP-AYYYY
Sep 01, 2021 (xls) Sep 14, 2021 WTP-AYYYY
Aug 01, 2021 (xls) Sep 13, 2021
Late
 WTP-AYYYY