OHA Drinking Water Services
OR41
PWS ID: 91048 ---- OPRD HECETA HEAD LIGHTHOUSE
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
Mar 01, 2026 DIST-A 2 2 0.4 1.3Y
Feb 01, 2026 DIST-A 2 2 1.3 1.4Y
Jan 01, 2026 DIST-A 2 2 1.1 1.3Y
Dec 01, 2025 DIST-A 2 2 2.4 1.3Y
Nov 01, 2025 DIST-A 2 2 1 1.2Y
Oct 01, 2025 DIST-A 2 2 1.6 1.2Y
Sep 01, 2025 DIST-A 2 2 1 1.1Y
Aug 01, 2025 DIST-A 2 2 1.5 1.1Y
Jul 01, 2025 DIST-A 2 2 0.9 1.1Y
Jun 01, 2025 DIST-A 2 2 1.5 1.1Y
May 01, 2025 DIST-A 2 2 1.5 1.1Y
Apr 01, 2025 DIST-A 2 2 1.1 1.0Y
Mar 01, 2025 DIST-A 2 2 1.5 1.0Y
Feb 01, 2025 DIST-A 2 2 1 0.9Y
Jan 01, 2025 DIST-A 2 2 1 0.9Y
Dec 01, 2024 DIST-A 2 2 1.1 0.8Y
Nov 01, 2024 DIST-A 2 2 1 0.7Y
Oct 01, 2024 DIST-A 2 2 0.4 0.4Y