OHA Drinking Water Services
OR41
PWS ID: 00270 ---- ECHO, 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
Mar 01, 2026 DIST-A 1 1 0.92 0.5Y
Feb 01, 2026 DIST-A 1 1 0.42 0.5Y
Jan 01, 2026 DIST-A 1 1 0.37 0.5Y
Dec 01, 2025 DIST-A 1 1 0.41 0.5Y
Nov 01, 2025 DIST-A 1 1 0.9 0.5Y
Oct 01, 2025 DIST-A 1 1 0.29 0.5Y
Sep 01, 2025 DIST-A 1 1 0.49 0.5Y
Aug 01, 2025 DIST-A 1 0 0.5Y
Jul 01, 2025 DIST-A 1 1 0.21 0.5Y
Jun 01, 2025 DIST-A 1 1 0.83 0.6Y
May 01, 2025 DIST-A 1 1 0.7 0.5Y
Apr 01, 2025 DIST-A 1 1 0.5 0.5Y
Mar 01, 2025 DIST-A 1 1 0.54 0.5Y
Feb 01, 2025 DIST-A 1 1 0.41 0.5Y
Jan 01, 2025 DIST-A 1 1 0.47 0.5Y
Dec 01, 2024 DIST-A 1 1 0.49 0.5Y
Nov 01, 2024 DIST-A 1 1 0.56 0.5Y
Oct 01, 2024 DIST-A 1 1 0.51 0.5Y