OHA Drinking Water Services
OR41
PWS ID: 91038 ---- OPRD COLLIER STATE PARK
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 3 0.5 0.4Y
Jul 01, 2025 DIST-A 1 3 0.20 0.3Y
Apr 01, 2025 DIST-A 1 3 0.19 0.4Y
Jan 01, 2025 DIST-A 1 2 0.8 0.5Y
Oct 01, 2024 DIST-A 1 3 0.2 0.2Y