OHA Drinking Water Services
OR41
PWS ID: 00748 ---- HILAND WC - LOMBARD
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 0.08 0.4Y
Jan 01, 2026 DIST-A 1 1 0.14 0.4Y
Dec 01, 2025 DIST-A 1 1 0.12 0.4Y
Nov 01, 2025 DIST-A 1 1 0.2 0.4Y
Oct 01, 2025 DIST-A 1 1 0.53 0.4Y
Sep 01, 2025 DIST-A 1 0 0.4Y
Aug 01, 2025 DIST-A 1 1 0.06 0.4Y
Jul 01, 2025 DIST-A 4 3 0.9 0.4Y
Jun 01, 2025 DIST-A 4 5 0.1 0.3Y
May 01, 2025 DIST-A 1 1 0.2 0.4Y
Apr 01, 2025 DIST-A 1 1 0.69 0.4Y
Mar 01, 2025 DIST-A 1 1 0.98 0.3Y
Feb 01, 2025 DIST-A 1 1 0.34 0.2Y
Jan 01, 2025 DIST-A 1 2 0.25 0.2Y
Dec 01, 2024 DIST-A 1 1 0.18 0.2Y
Nov 01, 2024 DIST-A 4 4 0.1 0.2Y
Oct 01, 2024 DIST-A 1 2 0.2 0.2Y