OHA Drinking Water Services
OR41
PWS ID: 01241 ---- ZIG ZAG WATER CO-OP
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 1 1 0.65 0.6Y
May 01, 2025 DIST-A 1 1 0.11 0.6Y
Apr 01, 2025 DIST-A 1 1 0.33 0.7Y
Mar 01, 2025 DIST-A 1 1 0.08 0.7Y
Feb 01, 2025 DIST-A 1 1 1.58 0.8Y
Jan 01, 2025 DIST-A 1 1 0.79 0.7Y
Dec 01, 2024 DIST-A 1 1 0.92 0.6Y
Nov 01, 2024 DIST-A 1 1 0.84 0.5Y
Oct 01, 2024 DIST-A 1 1 0.13 0.1Y
Dec 01, 2004 DIST-A 1 0 0Y
Nov 01, 2004 DIST-A 1 0 0Y
Oct 01, 2004 DIST-A 1 0 0Y
Sep 01, 2004 DIST-A 1 0 0Y
 



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