OHA Drinking Water Services
Introduction
Data Search Options
Water System Search
DWS Home
DWS Rules
Quick Data Links
OR41
PWS ID:
06240
---- USFWS TUALATIN RIVER NWLR DENNIS UNIT ----
INACTIVE
Maximum Residual Disinfection Level (MRDL) Samples
MRDL Monitoring Requirements
::
Excel Spreadsheet
No MRDL data for this system
More information for this water system:
SDWIS ID 5365
System Info
Report for Lenders
Alerts
Violations
Compliance & Enforcement
Contacts & Advisories
Site Visits
Public Notice
Coliform Summary
Coliform Results
Coliform Schedules
LT2
GW/GWUDI Source Details
Plan Review
Annual Fee
Chemical Summary
Chemical Results
Chemical Schedules
Chemical Schedule Summary
Arsenic RAA
Cyanotoxins
PFAS
Lead & Copper
DBP Sample Sites
FANLs
MRDL
GWR 4-Log
Turbidity
SWTR
LRAA
DW Source Protection
Information for all water systems:
Water System Inventory
Water System Surveys
Outstanding Performers
Treatment Plant Inspections
Treatment
Plan Reviews
Alerts
Violations
Compliance & Enforcement
Deficiencies
System Scores
Exceedances
Public Notices
Service Lines
Water Advisories
Contact Reports
Cyanotoxins
PFAS
Post-wildfire VOCs
Fluoride
Certification List
DW Source Protection
Main menu:
Introduction
Data Search Options
Water System Search
DWS Home
DWS Rules
Need help?
Email Drinking Water Services
for assistance.
Staff/Partner Login
