OHA Drinking Water Services
OR41
PWS ID: 00798 ---- SEAL ROCK WATER DISTRICT
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
Jun 01, 2025 DIST-A 7 7 1.10 1.1Y
May 01, 2025 DIST-A 7 7 1.35 1.1Y
Apr 01, 2025 DIST-A 7 7 1.17 1.1Y
Mar 01, 2025 DIST-A 7 7 1.21 1.1Y
Feb 01, 2025 DIST-A 7 7 1.34 1.1Y
Jan 01, 2025 DIST-A 7 7 1.15 1.0Y
Dec 01, 2024 DIST-A 10 10 1.4 1.0Y
Nov 01, 2024 DIST-A 7 7 0.9 1.0Y
Oct 01, 2024 DIST-A 7 7 1.0 1.0Y
Sep 01, 2024 DIST-A 7 7 1.2 1.0Y
Aug 01, 2024 DIST-A 7 7 0.85 0.9Y
Jul 01, 2024 DIST-A 7 7 0.99 0.9Y
Jun 01, 2024 DIST-A 7 7 0.92 0.9Y
May 01, 2024 DIST-A 7 7 0.98 0.9Y
Apr 01, 2024 DIST-A 7 7 0.8 0.9Y
Mar 01, 2024 DIST-A 7 7 1.13 0.9Y
Feb 01, 2024 DIST-A 7 7 1.25 0.9Y
Jan 01, 2024 DIST-A 10 10 1 0.9Y
Dec 01, 2023 DIST-A 7 7 0.65 0.9Y
Nov 01, 2023 DIST-A 7 7 1.0 0.9Y
Oct 01, 2023 DIST-A 7 7 0.8 0.9Y
Sep 01, 2023 DIST-A 10 10 0.79 0.8Y
Aug 01, 2023 DIST-A 7 7 0.99 0.9Y
Jul 01, 2023 DIST-A 7 7 0.7 0.9Y
Jun 01, 2023 DIST-A 7 6 0.87 0.8Y
May 01, 2023 DIST-A 6 6 0.89 0.8Y
Apr 01, 2023 DIST-A 6 6 0.9 0.8Y
Mar 01, 2023 DIST-A 6 6 1.11 0.8Y
Feb 01, 2023 DIST-A 6 6 1.27 0.8Y
Jan 01, 2023 DIST-A 6 6 1 0.8Y
Dec 01, 2022 DIST-A 6 6 0.5 0.7Y
Nov 01, 2022 DIST-A 6 6 0.47 0.8Y
Oct 01, 2022 DIST-A 6 6 0.57 0.8Y
Sep 01, 2022 DIST-A 6 6 1 0.8Y
Aug 01, 2022 DIST-A 6 6 1 0.8Y
Jul 01, 2022 DIST-A 6 6 0.52 0.7Y
Jun 01, 2022 DIST-A 6 6 1 0.8Y
May 01, 2022 DIST-A 6 6 0.7 0.7Y
 



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