OHA Drinking Water Services
OR41
PWS ID: 00581 ---- OAKLAND, CITY OF
Lead & Copper

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

Sample Dates Date
Received
Sample
Count
Frequency Lead
(mg/L)
Copper
(mg/L)
Consumer
Notice Date
7/20/2021  7/21/20218/12/2021 14 3 years 0 0.079 10/7/2021
9/2/2020  9/15/2020 11 1 year 0.0030 0.261 10/4/2020
7/30/2019  8/22/2019 13 1 year 0.0020 0.623
8/9/2018  8/23/2018 12 1 year 0 0.166
9/6/2017  10/5/2017 18 1 year 0 0.237 10/19/2017
10/13/2016  11/3/2016 28 6 months 0 0.201
5/19/2016  6/23/20167/10/2016 60 6 months 0.0020 0.277 6/28/2016
8/8/2013  8/27/2013 10 3 years 0.0160 0.115
6/4/2010  7/9/2010 14 3 years 0.0060 0.475
8/11/2005  9/9/2005 10 3 years 0.0030 0.081
1/1/1999  8/29/200111/13/2001 10 3 years 0.0140 0.381
1/1/1998  10/28/199811/16/1998 10 1 year 0 0.984
1/1/1997  8/27/19974/20/1998 10 1 year 0.0120 0.976
1/1/1996  9/28/199611/13/1996 10 1 year 0.0040 0.598
1/1/1995  6/29/19955/15/1996 20 6 months 0.0070 0.130
1/1/1994  3/23/19946/10/1994 20 6 months 0.0030 0.760



More information for this water system: SDWIS ID 3979
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  ::  Corrosion Control (LCR)  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA
Something missing? The new Chemical Results page replaces many pages, including arsenic and nitrate.

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

Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules

Need help? Email Drinking Water Services for assistance.Staff/Partner Login