OHA Drinking Water Services
OR41
PWS ID: 93921 ---- TRI-COUNTY INDUSTRIAL PARK #1
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
8/30/2023  5 3 years 0 0.279
8/30/2023  9/15/2023 5 3 years 0.0010 0.279
8/21/2018  -  8/22/2018 5 3 years 0 0.263
8/21/2018  -  8/22/20189/27/2018 5 3 years 0 0.263
9/11/2015  5 3 years 0 0.780
9/11/2015  9/21/2015 5 3 years 0 0.780
9/13/2012  10/3/2012 5 3 years 0 0.506
10/9/2003  10/27/2003 5 3 years 0 0
1/1/2000  -  8/9/20008/31/2000 5 1 year 0.0040 0.810
1/1/1999  -  10/14/199911/2/1999 5 1 year 0.0030 0.070
1/1/1998  -  6/29/199810/8/1999 5 1 year 0.0020 0.040
7/1/1997  -  12/5/199710/8/1999 5 6 months 0 0.030
7/1/1993  -  9/28/199310/8/1999 5 6 months 0.0100 0.820


More information for this water system: SDWIS ID 1483
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