OHA Drinking Water Services
OR41
PWS ID: 91053 ---- OPRD ELLMAKER 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
Jan 01, 2026 DIST-A 1 1 0.53 0.3Y
Oct 01, 2025 DIST-A 1 1 0.15 0.2Y
Jul 01, 2025 DIST-A 1 1 0.19 0.3Y
Apr 01, 2025 DIST-A 1 1 0.45 0.3Y
Jan 01, 2025 DIST-A 1 1 0.21 0.2Y
Oct 01, 2024 DIST-A 1 1 0.22 0.2Y