OHA Drinking Water Services
OR41
PWS ID: 00932 ---- WARRENTON, CITY OF
Lead & Copper

More Information
Summary Results
Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
9/10/2021  -  9/13/20219/24/2021 20 3 years 0.0110 0.378
8/8/2018  -  8/15/20189/17/2018 22 3 years 0.0080 0.348
9/22/2015  -  9/23/201510/6/2015 20 3 years 0.0100 0.450
6/12/2012  -  9/19/201210/1/2012 40 3 years 0.0030 0.372
9/29/2009  -  9/30/200910/29/2009 20 3 years 0.0070 0.400
6/28/2006  7/20/2006 20 3 years 0.0070 0.380
9/23/2003  -  9/25/200310/20/2003 20 6 months 0.0020 0.220
3/14/2003  -  3/18/20034/11/2003 20 6 months 0.0050 0.200
1/1/1999  -  8/16/20011/31/2002 20 3 years 0.0090 0.820
1/1/1998  -  6/23/19989/16/1998 20 1 year 0.0050 0.530
1/1/1995  -  9/7/19959/16/1998 20 1 year 0.0050 0.510
1/1/1994  -  7/14/19949/13/1994 20 1 year 0.0100 0.630
1/1/1993  -  5/11/19936/11/1993 40 6 months 0.0100 0.490
7/1/1992  -  11/24/199212/24/1992 40 6 months 0.0140 0.997


More information for this water system: SDWIS ID 3918
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
New! Visit our new Drinking Water Source Protection page.
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
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login