OHA Drinking Water Services
OR41
PWS ID: 00605 ---- HILAND WC - ECHO MOUNTAIN
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 1.5 1.2Y
Jan 01, 2026 DIST-A 1 1 1.8 1.2Y
Dec 01, 2025 DIST-A 1 1 1.35 1.1Y
Nov 01, 2025 DIST-A 1 1 1.62 1.1Y
Oct 01, 2025 DIST-A 1 1 0.8 1.0Y
Sep 01, 2025 DIST-A 1 1 0.4 1.0Y
Aug 01, 2025 DIST-A 1 1 1.6 1.1Y
Jul 01, 2025 DIST-A 1 1 1.3 1.0Y
Jun 01, 2025 DIST-A 1 1 1.5 1.0Y
May 01, 2025 DIST-A 1 1 0.62 0.9Y
Apr 01, 2025 DIST-A 1 1 1.51 1.0Y
Mar 01, 2025 DIST-A 1 1 0.44 0.9Y
Feb 01, 2025 DIST-A 1 1 0.92 1.0Y
Jan 01, 2025 DIST-A 1 1 1.08 1.0Y
Dec 01, 2024 DIST-A 1 1 0.88 1.0Y
Nov 01, 2024 DIST-A 1 0 1.0Y
Oct 01, 2024 DIST-A 1 1 1.02 1.0Y