OHA Drinking Water Services
OR41
PWS ID: 00831 ---- SPRAGUE RIVER WATER ASSN
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
Feb 01, 2026 DIST-A 1 1 0.5 0.8Y
Jan 01, 2026 DIST-A 1 1 0.4 0.8Y
Dec 01, 2025 DIST-A 1 1 0.4 0.8Y
Nov 01, 2025 DIST-A 1 1 0.3 0.8Y
Oct 01, 2025 DIST-A 4 1 0.4 0.8Y
Sep 01, 2025 DIST-A 1 1 0.3 0.8Y
Aug 01, 2025 DIST-A 1 1 3.2 0.8Y
Jul 01, 2025 DIST-A 1 1 1.5 0.6Y
Jun 01, 2025 DIST-A 1 1 2 0.4Y
May 01, 2025 DIST-A 1 1 0.5 0.3Y
Apr 01, 2025 DIST-A 1 1 0.3 0.2Y
Mar 01, 2025 DIST-A 1 1 0.3 0.2Y
Feb 01, 2025 DIST-A 1 1 0.2 0.2Y
Jan 01, 2025 DIST-A 1 1 0.3 0.2Y
Dec 01, 2024 DIST-A 1 1 0.2 0.1Y
Nov 01, 2024 DIST-A 1 1 0.1 0.1Y
Oct 01, 2024 DIST-A 1 1 0.1 0.1Y