OHA Drinking Water Services
OR41
PWS ID: 00490 ---- LONG CREEK, CITY OF
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 0.31 0.2Y
Dec 01, 2025 DIST-A 1 1 0.39 0.2Y
Nov 01, 2025 DIST-A 1 1 0.29 0.2Y
Oct 01, 2025 DIST-A 1 1 0.19 0.2Y
Sep 01, 2025 DIST-A 1 1 0.1 0.2Y
Aug 01, 2025 DIST-A 1 1 0.01 0.2Y
Jul 01, 2025 DIST-A 1 1 0.05 0.2Y
Jun 01, 2025 DIST-A 1 1 0.24 0.2Y
May 01, 2025 DIST-A 1 1 0.21 0.2Y
Apr 01, 2025 DIST-A 1 1 0.08 0.3Y
Mar 01, 2025 DIST-A 1 1 0.05 0.3Y
Feb 01, 2025 DIST-A 1 1 0.21 0.3Y
Jan 01, 2025 DIST-A 1 1 0.17 0.4Y
Dec 01, 2024 DIST-A 1 1 0.44 0.4Y
Nov 01, 2024 DIST-A 1 1 0.41 0.4Y
Oct 01, 2024 DIST-A 1 1 0.41 0.4Y