OHA Drinking Water Services
OR41
PWS ID: 01329 ---- PORT OF TILLAMOOK BAY
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 0.43 0.4Y
Jan 01, 2026 DIST-A 1 1 0.68 0.4Y
Dec 01, 2025 DIST-A 1 1 0.32 0.4Y
Nov 01, 2025 DIST-A 1 1 0.39 0.4Y
Oct 01, 2025 DIST-A 1 1 0.17 0.4Y
Sep 01, 2025 DIST-A 1 1 0.25 0.4Y
Aug 01, 2025 DIST-A 1 1 0.15 0.5Y
Jul 01, 2025 DIST-A 1 1 0.38 0.5Y
Jun 01, 2025 DIST-A 1 1 0.52 0.5Y
May 01, 2025 DIST-A 1 1 0.34 0.5Y
Apr 01, 2025 DIST-A 1 1 0.58 0.5Y
Mar 01, 2025 DIST-A 1 1 0.62 0.5Y
Feb 01, 2025 DIST-A 1 1 0.48 0.5Y
Jan 01, 2025 DIST-A 1 1 0.39 0.5Y
Dec 01, 2024 DIST-A 1 1 0.51 0.5Y
Nov 01, 2024 DIST-A 1 1 0.61 0.5Y
Oct 01, 2024 DIST-A 1 1 0.43 0.4Y