OHA Drinking Water Services
OR41
PWS ID: 91015 ---- OPRD PRINEVILLE RESERVOIR 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
Jan 01, 2026 DIST-A 1 1 0.4 0.2Y
Oct 01, 2025 DIST-A 1 1 0.32 0.1Y
Jul 01, 2025 DIST-A 1 1 0.06 0.9Y
Apr 01, 2025 DIST-A 1 1 0.03 1.2Y
Jan 01, 2025 DIST-A 1 1 0.02 1.7Y
Oct 01, 2024 DIST-A 1 1 3.4 3.4Y