05108 Surface Water Treatment Rule | Data Online | Oregon Drinking Water Services

OHA Drinking Water Services

PWS ID: 05108 ---- TROLLERS COVE WATER ASSN

Surface Water Treatment Rule

MRDL Summary

Abbreviations: CFE = Combined filter effluent, CT = Contact time, IFE = Individual filter effluent, MCL = Maximum contaminant level, MRDL = Maximum residual disinfection level, N = No (requirement was not met), WTP = Water treatment plant, Y = Yes (requirement was met).

Results not meeting criteria are outlined in red.

Monitoring Period	Date Received	Entry Point	< CFE 95 % Turbidity MCL	< CFE Max Turbidity MCL	CT's Required Met	Chlorine at Entry Point	Membrane Parameters Met
Feb 01, 2026 (pdf)	Mar 10, 2026	WTP-A	Y	Y	Y	Y	N Incomplete
Jan 01, 2026 (pdf)	Feb 06, 2026	WTP-A	Y	Y	Y	Y	N Incomplete
Dec 01, 2025 (pdf)	Feb 06, 2026 Late	WTP-A	Y	Y	Y	Y	N
Nov 01, 2025 (pdf)	Dec 08, 2025	WTP-A	Y	Y	Y	Y	Y
Sep 01, 2025 (pdf)	Oct 15, 2025 Late	WTP-A	Y	Y	Y	Y	Y
Aug 01, 2025 (pdf)	Oct 15, 2025 Late	WTP-A	Y	Y	Y	Y	Y
Jul 01, 2025 (xlsx)	Aug 11, 2025 Late	WTP-A	Y	Y	Y	Y	Y
Jun 01, 2025 (pdf)	Jul 08, 2025	WTP-A	N	Y	Y	Y	Y
May 01, 2025 (pdf)	Jun 08, 2025	WTP-A	Y	Y	N	Y	Y Incomplete