OHA Drinking Water Services
OR41
PWS ID: 00958 ---- YONCALLA, 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
6/20/2023  6/28/2023 10 3 years 0.0030 0.087
7/21/2020  -  7/22/20208/3/2020 10 3 years 0.0050 0.045
7/12/2017  -  7/13/20177/20/2017 10 3 years 0 0.028
9/4/2014  10/9/2014 10 3 years 0.0020 0.088
9/15/2011  -  9/16/20119/30/2011 10 3 years 0 0.048
9/27/2008  -  9/28/200811/18/2008 10 3 years 0.0063 0.033
9/22/2005  -  9/23/200511/7/2005 10 3 years 0.0085 0.044
1/1/1998  -  10/14/19984/20/1999 10 1 year 0.0022 0.120
1/1/1997  -  8/27/19971/8/1998 10 1 year 0.0100 0.120
1/1/1996  -  8/15/199612/18/1996 10 1 year 0.0028 0.065
7/1/1995  -  7/28/199510/10/1995 20 6 months 0.0090 0.159
7/1/1994  -  7/7/19947/31/1996 20 6 months 0.0046 0.052
1/1/1994  -  2/16/19945/24/1994 20 6 months 0.0190 0.084


More information for this water system: SDWIS ID 4130
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