OHA Drinking Water Services
OR41
PWS ID: 90550 ---- BONANZA HIGH/ELEM SCHOOLS
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
9/19/2023  10/2/2023 5 3 years 0.0012 0.055
9/29/2020  10/7/2020 5 3 years 0.0019 0.058
9/27/2017  10 3 years 0.0048 0.035
8/26/2014  10 3 years 0.0044 0.052
9/30/2011  10/21/2011 10 3 years 0.0031 0.022
3/1/2004  4/5/2004 5 3 years 0.0035 0.010
1/1/2001  -  7/17/20018/6/2001 10 1 year 0 0
1/1/1998  -  9/29/199811/3/1998 10 1 year 0 0.050
1/1/1994  -  6/8/19947/11/1994 20 6 months 0.0020 0.050
7/1/1993  -  11/17/19937/11/1994 20 6 months 0.0030 0.130


More information for this water system: SDWIS ID 698
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