OHA Drinking Water Services
OR41
PWS ID: 05426 ---- CHEHALEM TERRACE 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 0.05 0.2Y
Jan 01, 2026 DIST-A 1 2 0.08 0.2Y
Dec 01, 2025 DIST-A 1 1 0 0.3Y
Nov 01, 2025 DIST-A 1 1 0.25 0.3Y
Oct 01, 2025 DIST-A 1 1 0.29 0.3Y
Sep 01, 2025 DIST-A 1 1 0.21 0.3Y
Aug 01, 2025 DIST-A 1 1 0.2 0.3Y
Jul 01, 2025 DIST-A 1 2 0.2 0.3Y
Jun 01, 2025 DIST-A 1 1 0.05 0.3Y
May 01, 2025 DIST-A 1 1 0.08 0.3Y
Apr 01, 2025 DIST-A 1 1 0.05 0.4Y
Mar 01, 2025 DIST-A 1 3 0.4 0.4Y
Feb 01, 2025 DIST-A 1 1 0.94 0.4Y
Jan 01, 2025 DIST-A 1 1 0.39 0.3Y
Dec 01, 2024 DIST-A 1 1 0.2 0.2Y
Nov 01, 2024 DIST-A 1 1 0.32 0.3Y
Oct 01, 2024 DIST-A 4 5 0.2 0.2Y