OHA Drinking Water Services
OR41
PWS ID: 01470 ---- LONE OAK 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
8/4/2025  9/8/2025 5 3 years 0 0.073
7/11/2022  7/19/2022 5 3 years 0.0007 0.068
8/13/2019  8/26/2019 5 3 years 0 0.094
8/25/2016  -  8/26/20169/14/2016 5 3 years 0 0.132 9/24/2016
6/25/2013  7/2/2013 5 3 years 0 0.189
8/10/2010  8/19/2010 5 3 years 0 0.360
1/3/2006  -  1/9/20061/23/2006 5 3 years 0 0.084
1/1/2000  -  9/28/20003/5/2001 5 1 year 0.0087 0.117
1/1/1999  -  8/27/199912/10/1999 5 1 year 0 0.220
1/1/1998  -  9/28/199811/23/1998 5 1 year 0 0.114
1/1/1997  -  1/13/19972/20/1997 10 6 months 0 0.528
1/1/1996  -  6/28/19967/17/1996 10 6 months 0 0.432


More information for this water system: SDWIS ID 4149
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