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
Feb 01, 2026 DIST-A 1 1 0.2 0.2Y
Dec 01, 2025 DIST-A 1 1 0.22 0.2Y
Nov 01, 2025 DIST-A 1 1 0.23 0.2Y
Oct 01, 2025 DIST-A 1 1 0.22 0.2Y
Sep 01, 2025 DIST-A 1 1 0.25 0.2Y
Aug 01, 2025 DIST-A 1 1 0.21 0.2Y
Jul 01, 2025 DIST-A 1 1 0.21 0.2Y
Jun 01, 2025 DIST-A 1 1 0.24 0.2Y
May 01, 2025 DIST-A 1 1 0.2 0.2Y
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