OHA Drinking Water Services
OR41
PWS ID: 91920 ---- REDWOOD ELEMENTARY SD 7
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
8/23/2023  5 3 years 0 0.107
8/23/2023  9/8/2023 5 3 years 0 0.107
7/2/2020  5 3 years 0 0.102
7/2/2020  7/9/2020 5 3 years 0 0.102
7/12/2017  5 3 years 0 0.091
7/12/2017  8/7/2017 5 3 years 0 0.091
9/3/2014  5 3 years 0 0.106
9/3/2014  10/10/2014 5 3 years 0 0.106
8/18/2011  9/2/2011 5 3 years 0.0006 0.140
10/28/2008  12/11/2008 5 3 years 0.0015 0.097
6/19/2002  8/2/2002 10 1 year 0.0020 0.099
1/1/1999  -  10/14/199912/6/1999 5 1 year 0.0015 0.082
1/1/1998  -  11/2/199812/7/1998 5 1 year 0.0024 0.120
7/1/1996  -  10/10/19961/3/1997 10 6 months 0.0064 0.110
1/1/1994  -  5/24/19946/27/1994 10 6 months 0 0.140


More information for this water system: SDWIS ID 1097
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
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
PFAS data are now located on the Chemical Results 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
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login