OHA Drinking Water Services
OR41
PWS ID: 00937 ---- WELCHES WATER COMPANY
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, 2025 DIST-A 1 1 0.18 0.2Y
Mar 01, 2025 DIST-A 1 1 0.25 0.2Y
Feb 01, 2025 DIST-A 1 1 0.19 0.2Y
Jan 01, 2025 DIST-A 1 1 0.2 0.2Y
Dec 01, 2024 DIST-A 1 0 0.3Y
Nov 01, 2024 DIST-A 1 1 0.25 0.3Y
Oct 01, 2024 DIST-A 1 1 0.25 0.3Y
 



More information for this water system: SDWIS ID 3477
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