OHA Drinking Water Services
OR41
PWS ID: 91869 ---- SAND DUNES FRONTIER
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
Oct 01, 2025 DIST-A 1 1 0.1 0.9Y
Sep 01, 2025 DIST-A 1 1 1 1.0Y
Aug 01, 2025 DIST-A 1 0 1.0Y
Jul 01, 2025 DIST-A 4 4 1 1.0Y
Jun 01, 2025 DIST-A 1 1 1 1.0Y
May 01, 2025 DIST-A 1 1 1 1.0Y
Apr 01, 2025 DIST-A 1 1 1 1.0Y
Mar 01, 2025 DIST-A 1 1 1 1.0Y