OHA Drinking Water Services
OR41
PWS ID: 93741 ---- TEEN CHALLENGE

See also: Coliform Schedules

Chemical Sampling Schedule Status
Facility
ID		 Analyte or Group   Sampling
Interval		 Monitoring Period Days
Until
End		 Samples
Required		 Samples
Received		 Last
Sample
Date
Start End
DIST-A  Distribution System ASBESTOS, DIST  9 Years 01/01/2020 - 12/31/2028 1,023 1 incomplete11/05/2019
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   5 08/07/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete08/20/2025
EP-A  EP for WELL IOC notes9 Years 01/01/2023 - 12/31/2031 2,118 1 incomplete05/03/2022
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 292 1 incomplete08/20/2025
EP-A  EP for WELL NITRITE notes9 Years 01/01/2023 - 12/31/2031 2,118 1 incomplete05/03/2022
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 108 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete11/18/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,023 1 incomplete11/18/2025

6  secs
Show Only Active

Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200912/31/20095Sample Between June 1 and Sept 30
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/200506/30/20085
EP-A  EP for WELLIOC  3 Years01/01/200812/31/20131
EP-A  EP for WELLNITRITE  3 Years01/01/200812/31/20131

Show Only Active


More information for this water system: SDWIS ID 1430
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