OHA Drinking Water Services
OR41
PWS ID: 92508 ---- USFS SOUTH TWIN LAKE CG
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
Sep 01, 2025 DIST-A 1 1 0.05 0.2Y
Aug 01, 2025 DIST-A 1 1 0.02 0.3Y
Jul 01, 2025 DIST-A 1 0 0.5Y
Jun 01, 2025 DIST-A 1 0 0.5Y
May 01, 2025 DIST-A 1 1 0.5 0.5Y
Apr 01, 2025 DIST-A 1 0 0Y