OHA Drinking Water Services
OR41
PWS ID: 01172 ---- WESTERN HILLS MH ESTATES
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
4/11/2023  5/5/20236/26/2023 11 6 months 0.0030 0.821 6/14/2023
9/27/2022  9/29/202212/16/2022 10 6 months 0 0 10/14/2022
6/25/2022  6/30/2022 7 3 years 0.0020 0
8/8/2020  8/27/20209/25/2020 5 3 years 0.0250 0.133 9/21/2020
8/23/2017  11/13/2017 5 3 years 0.0020 0.139
9/1/2014  1/15/2015 5 3 years 0.0050 0.140
6/14/2011  7/26/20117/7/2011 5 3 years 0.0030 0.207
8/23/2007  12/11/2007 5 3 years 0.0020 0
9/9/2004  12/23/2004 5 3 years 0.0035 0.030
1/1/2001  8/23/200110/9/2001 5 1 year 0.0070 0.050
1/1/2000  5/4/20001/30/2001 5 1 year 0.0150 0.070
1/1/1997  11/19/199712/11/1997 5 1 year 0.0020 0.060
1/1/1994  6/21/19945/9/1995 10 6 months 0 0.030
7/1/1993  12/7/19936/21/1994 10 6 months 0.0020 0.050



More information for this water system: SDWIS ID 3566
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