OHA Drinking Water Services
OR41
PWS ID: 92641 ---- USFS TIMBERLINE LODGE 1
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
Nov 01, 2025 (xls) Dec 09, 2025 WTP-BYYYY
Oct 01, 2025 (xls) Nov 10, 2025 WTP-BYYYY
Sep 01, 2025 (xls) Oct 10, 2025 WTP-BYYYY
Apr 01, 2025 (xls) May 10, 2025 WTP-BYYYY
Mar 01, 2025 (xls) Apr 10, 2025 WTP-BYYYY
Feb 01, 2025 (xls) Mar 07, 2025 WTP-BYYYY
May 01, 2023 (xls) Jun 07, 2023 WTP-BYYYY
Apr 01, 2023 (xls) May 09, 2023 WTP-BYYYY
May 01, 2021 (pdf) Jun 06, 2021 WTP-BYYYY
Apr 01, 2021 (pdf) May 10, 2021 WTP-BYYYY