OHA Drinking Water Services
OR41
PWS ID: 90958 ---- BIG LAKE YOUTH CAMP
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
Feb 01, 2026 (xlsx) Mar 10, 2026 WTP-AYYYY
Jan 01, 2026 (xlsx) Feb 09, 2026 WTP-AYYYY
Dec 01, 2025 (xlsx) Jan 10, 2026 WTP-AYYYY
Nov 01, 2025 (xlsx) Dec 09, 2025 WTP-AYYYY
Oct 01, 2025 (xlsx) Nov 09, 2025 WTP-AYYYY
Sep 01, 2025 (xlsx) Oct 09, 2025 WTP-AYYYY
Aug 01, 2025 (xlsx) Sep 09, 2025 WTP-AYYYY
Jul 01, 2025 (xlsx) Aug 09, 2025 WTP-AYYYY
Jun 01, 2025 (xlsx) Jul 09, 2025 WTP-AYYYY
May 01, 2025 (xlsx) Jun 02, 2025 WTP-AYYYY
Apr 01, 2025 (xlsx) May 05, 2025 WTP-AYYYY
Mar 01, 2025 (pdf)
Mar 01, 2025 Amended (xlsx)
Apr 08, 2025 WTP-AYYYY
Feb 01, 2025 (xlsx) Mar 03, 2025 WTP-AYYYY
Jan 01, 2025 (xlsx) Feb 09, 2025 WTP-AYYYY
Dec 01, 2024 (xlsx) Jan 06, 2025 WTP-AYYYY
Nov 01, 2024 (xlsx) Dec 09, 2024 WTP-AYYYY
Oct 01, 2024 (xlsx) Nov 06, 2024 WTP-AYYYY
Sep 01, 2024 (xlsx) Oct 06, 2024 WTP-AYYYY
Aug 01, 2024 (xlsx) Sep 09, 2024 WTP-AYYYY
Jul 01, 2024 (xlsx) Aug 02, 2024 WTP-AYYYY
Jun 01, 2024 (xlsx) Jul 09, 2024 WTP-AYYYY
May 01, 2024 (xlsx) Jun 06, 2024 WTP-AYYYY
Apr 01, 2024 (xlsx) May 09, 2024 WTP-AYYYY
Mar 01, 2024 (xlsx) Apr 08, 2024 WTP-AYYYY
Feb 01, 2024 (xlsx) Mar 09, 2024 WTP-AYYYY
Jan 01, 2024 (xlsx) Feb 09, 2024 WTP-AYYYY
Dec 01, 2023 (pdf) Feb 09, 2024
Late
WTP-AYYNY
Nov 01, 2023 (xlsx) Dec 01, 2023 WTP-AYYYY
Oct 01, 2023 (xlsx) Nov 10, 2023 WTP-AYYYY
Sep 01, 2023 (xlsx) Oct 10, 2023 WTP-AYYYY
Aug 01, 2023 (xlsx) Sep 10, 2023 WTP-AYYYY
May 01, 2023 (xlsx) Jun 10, 2023 WTP-AYYYY
Mar 01, 2023 (xlsx) Apr 10, 2023 WTP-AYYYY
Jan 01, 2023 (xlsx) Feb 10, 2023 WTP-AYYYY
Dec 01, 2022 (xlsx) Jan 10, 2023 WTP-AYYYY
Nov 01, 2022 (xlsx) Dec 09, 2022 WTP-AYYYY
Oct 01, 2022 (xlsx) Nov 10, 2022 WTP-AYYYY
Sep 01, 2022 (xlsx) Oct 10, 2022 WTP-AYYYY
May 01, 2022 (xlsx) Jun 10, 2022 WTP-AYYYY
Apr 01, 2022 (xlsx) May 10, 2022 WTP-AYYYY
Jan 01, 2022 (xlsx) Feb 10, 2022 WTP-AYYYY
Nov 01, 2021 (xlsx) Dec 08, 2021 WTP-AYYYY
Oct 01, 2021 (xlsx) Nov 10, 2021 WTP-AYYYY
Sep 01, 2021 (xlsx) Oct 10, 2021 WTP-AYYYY
Aug 01, 2021 (xlsx) Sep 10, 2021 WTP-AYYYY
Jul 01, 2021 (xlsx) Sep 10, 2021
Late
WTP-AYYYY
Jun 01, 2021 (xlsx) Jul 10, 2021 WTP-AYYYY
May 01, 2021 (xlsx) Jun 11, 2021
Late
WTP-AYYYY
Feb 01, 2021 (xlsx) Mar 10, 2021 WTP-AYYYY
Jan 01, 2021 (xlsx) Feb 10, 2021 WTP-AYYYY