OHA Drinking Water Services
OR41
PWS ID: 00368 ---- HELIX, CITY OF
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, 2024 DIST-A 1 1 0.2 0.4Y
May 01, 2024 DIST-A 1 1 0.2 0.4Y
Apr 01, 2024 DIST-A 1 1 0.2 0.4Y
Mar 01, 2024 DIST-A 1 1 0.5 0.4Y
Feb 01, 2024 DIST-A 1 1 0.7 0.4Y
Jan 01, 2024 DIST-A 1 1 0.5 0.4Y
Dec 01, 2023 DIST-A 1 1 0.2 0.4Y
Nov 01, 2023 DIST-A 1 1 0.2 0.4Y
Oct 01, 2023 DIST-A 1 1 0.5 0.4Y
Sep 01, 2023 DIST-A 1 1 0.7 0.4Y
Aug 01, 2023 DIST-A 1 1 0.4 0.4Y
Jul 01, 2023 DIST-A 1 1 0.6 0.4Y
Jun 01, 2023 DIST-A 1 1 0.4 0.3Y
May 01, 2023 DIST-A 1 1 0.4 0.3Y
Apr 01, 2023 DIST-A 1 1 0.3 0.3Y
Mar 01, 2023 DIST-A 1 1 0.3 0.3Y
Feb 01, 2023 DIST-A 1 1 0.4 0.3Y
Jan 01, 2023 DIST-A 1 1 0.3 0.3Y
Dec 01, 2022 DIST-A 1 1 0.3 0.3Y
Nov 01, 2022 DIST-A 1 1 0.2 0.4Y
Oct 01, 2022 DIST-A 1 0 0.4Y
Sep 01, 2022 DIST-A 1 1 0.4 0.4Y
Aug 01, 2022 DIST-A 1 1 0.8 0.4Y
Jul 01, 2022 DIST-A 1 1 0.03 0Y
Jun 01, 2022 DIST-A 1 0 0Y
 



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