OHA Drinking Water Services
OR41
PWS ID: 91199 ---- TU-TU-TUN LODGE/FOUR SEASONS RESORT
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 1.64 1.6Y
Jul 01, 2025 DIST-A 1 1 1.56 1.7Y
Apr 01, 2025 DIST-A 1 1 1.51 1.7Y
Jan 01, 2025 DIST-A 1 1 1.51 1.8Y
Oct 01, 2024 DIST-A 1 1 2.05 2.1Y