OHA Drinking Water Services
OR41
PWS ID: 00600 ---- CHR DISTRICT IMPROVEMENT CO
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 0.4Y
Jan 01, 2026 DIST-A 1 1 0.3 0.4Y
Dec 01, 2025 DIST-A 1 1 0.2 0.5Y
Nov 01, 2025 DIST-A 1 1 0.3 0.5Y
Oct 01, 2025 DIST-A 1 1 0.5 0.5Y
Sep 01, 2025 DIST-A 1 1 0.8 0.5Y
Aug 01, 2025 DIST-A 1 1 0.4 0.4Y
Jul 01, 2025 DIST-A 1 1 0.4 0.5Y
Jun 01, 2025 DIST-A 1 1 0.2 0.5Y
May 01, 2025 DIST-A 1 1 0.4 0.5Y
Apr 01, 2025 DIST-A 1 1 0.5 0.5Y
Mar 01, 2025 DIST-A 1 1 0.6 0.5Y
Feb 01, 2025 DIST-A 1 1 0.4 0.5Y
Jan 01, 2025 DIST-A 1 1 0.9 0.5Y
Dec 01, 2024 DIST-A 1 1 0.4 0.4Y
Nov 01, 2024 DIST-A 1 1 0.5 0.3Y
Oct 01, 2024 DIST-A 1 1 0.2 0.2Y