OHA Drinking Water Services
OR41
PWS ID: 92612 ---- USFS MULTNOMAH FALLS/WAHKEENA
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 3 3 0.55 0.5Y
Jan 01, 2026 DIST-A 3 3 0.45 0.5Y
Dec 01, 2025 DIST-A 3 3 0.38 0.5Y
Nov 01, 2025 DIST-A 3 3 0.38 0.5Y
Oct 01, 2025 DIST-A 3 3 0.52 0.5Y
Sep 01, 2025 DIST-A 3 3 0.42 0.5Y
Aug 01, 2025 DIST-A 3 3 0.39 0.5Y
Jul 01, 2025 DIST-A 3 2 0.67 0.6Y
Jun 01, 2025 DIST-A 3 3 0.7 0.5Y
May 01, 2025 DIST-A 3 3 0.79 0.5Y
Apr 01, 2025 DIST-A 3 3 0.47 0.5Y
Mar 01, 2025 DIST-A 3 3 0.47 0.5Y
Feb 01, 2025 DIST-A 3 3 0.56 0.5Y
Jan 01, 2025 DIST-A 3 3 0.57 0.5Y
Dec 01, 2024 DIST-A 3 4 0.5 0.5Y
Nov 01, 2024 DIST-A 3 4 0.44 0.4Y
Oct 01, 2024 DIST-A 3 4 0.43 0.4Y