OHA Drinking Water Services
OR41
PWS ID: 91551 ---- CALLAHANS MOUNTAIN LODGE
Maximum Residual Disinfection Level (MRDL) Samples
MRDL Monitoring Requirements :: Excel Spreadsheet

Monitoring
Period		 Entry
Point		 Samples
Required		 Samples
Collected		 Period
Avg		 Annual
Avg		 Level
Compliance
Apr 01, 2026 DIST-A 1 0 0.6Y
Mar 01, 2026 DIST-A 1 1 1.8 0.5Y
Feb 01, 2026 DIST-A 4 4 0.8 0.3Y
Jan 01, 2026 DIST-A 1 1 1.4 0.3Y
Dec 01, 2025 DIST-A 1 1 1.6 0.1Y
Nov 01, 2025 DIST-A 1 1 0 0Y
Oct 01, 2025 DIST-A 1 1 0 0Y
Sep 01, 2025 DIST-A 1 2 0 0Y
Aug 01, 2025 DIST-A 1 0 0Y
Jul 01, 2025 DIST-A 1 1 0 0Y
Jun 01, 2025 DIST-A 1 1 0 0Y
May 01, 2025 DIST-A 1 1 0 0Y
Apr 01, 2025 DIST-A 1 1 0 0Y
Mar 01, 2025 DIST-A 1 1 0 0Y
Feb 01, 2025 DIST-A 1 1 0 0Y
Jan 01, 2025 DIST-A 1 1 0 0Y
Dec 01, 2024 DIST-A 1 2 0 0Y
Nov 01, 2024 DIST-A 1 0 0Y
Oct 01, 2024 DIST-A 1 1 0 0Y
Sep 01, 2024 DIST-A 1 1 0 0Y
Aug 01, 2024 DIST-A 1 1 0 0.6Y
Jul 01, 2024 DIST-A 1 0 1.2Y
Jun 01, 2024 DIST-A 4 0 1.2Y
May 01, 2024 DIST-A 1 0 1.2Y
Apr 01, 2024 DIST-A 1 0 1.2Y
Mar 01, 2024 DIST-A 1 0 1.2Y
Feb 01, 2024 DIST-A 1 0 1.2Y
Jan 01, 2024 DIST-A 1 0 1.2Y
Dec 01, 2023 DIST-A 1 0 1.2Y
Nov 01, 2023 DIST-A 1 0 1.2Y
Oct 01, 2023 DIST-A 1 0 1.6Y
Sep 01, 2023 DIST-A 1 1 1.16 1.8Y
Aug 01, 2023 DIST-A 1 0 2.8Y
Jul 01, 2023 DIST-A 1 0 2.5Y
Jun 01, 2023 DIST-A 1 0 2.2Y
May 01, 2023 DIST-A 1 0 2.2Y
Apr 01, 2023 DIST-A 1 0 2.2Y
Mar 01, 2023 DIST-A 1 0 2.2Y
Feb 01, 2023 DIST-A 1 0 2.2Y
Jan 01, 2023 DIST-A 1 0 2.2Y
Dec 01, 2022 DIST-A 1 0 2.2Y
Nov 01, 2022 DIST-A 1 1 2.1 2.2Y
Oct 01, 2022 DIST-A 1 1 2.2 2.2Y
Sep 01, 2022 DIST-A 1 1 4 2.2Y
Aug 01, 2022 DIST-A 1 1 1.8 1.8Y
Jul 01, 2022 DIST-A 1 2 0.9 1.8Y
Jun 01, 2022 DIST-A 1 0 2.1Y
May 01, 2022 DIST-A 1 1 2.5 2.1Y
Apr 01, 2022 DIST-A 1 1 1.94 1.9Y
Mar 01, 2022 DIST-A 1 1 1.89 1.9Y