OHA Drinking Water Services
Related:  Coliform Schedules

PWS ID: 91894 ---- WILLAMETTANS, THE

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 LEAD & COPPER  6 Months01/01/2023 - 06/30/2023 144 5 incomplete09/24/2020
EP-A  EP FOR WELLS ARSENIC  3 Years01/01/2023 - 12/31/2025 1,059 1 incomplete10/10/2016
EP-A  EP FOR WELLS IOC  3 Years01/01/2023 - 12/31/2025 1,059 1 incomplete10/10/2016
EP-A  EP FOR WELLS NITRATE  Yearly01/01/2023 - 12/31/2023 328 1 incomplete03/11/2022
EP-A  EP FOR WELLS NITRITE  3 Years01/01/2023 - 12/31/2025 1,059 1 incomplete10/10/2016
EP-A  EP FOR WELLS RAD - GROSS ALPHA  Quarterly01/01/2023 - 03/31/2023 53 1 incomplete10/10/2016
EP-A  EP FOR WELLS RAD - RADIUM 226/228 Quarterly01/01/2023 - 03/31/2023 53 1 incomplete10/10/2016
EP-A  EP FOR WELLS RAD - URANIUM  Quarterly01/01/2023 - 03/31/2023 53 1 incomplete10/10/2016
EP-A  EP FOR WELLS SOC  Yearly01/01/2023 - 12/31/2023 328 1 incomplete07/15/2020
EP-A  EP FOR WELLS VOLATILE ORGANICS  Yearly01/01/2023 - 12/31/2023 328 1 incomplete12/12/2022

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200809/30/20225Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/200206/30/20025
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200312/31/20055Sample Between June 1st and Sept 30th
EP-A  EP FOR WELLSARSENIC  3 Years01/01/200212/31/20101
EP-A  EP FOR WELLSARSENIC  9 Years01/01/201112/31/20221
EP-A  EP FOR WELLSDI(2-ETHYLHEXYL) PHTHALATE   Quarterly10/01/201003/31/20111
EP-A  EP FOR WELLSDI(2-ETHYLHEXYL) PHTHALATE   Yearly01/01/201212/31/20221
EP-A  EP FOR WELLSIOC  3 Years01/01/200212/31/20101
EP-A  EP FOR WELLSIOC  9 Years01/01/201112/31/20221
EP-A  EP FOR WELLSNITRITE  3 Years01/01/200212/31/20071
EP-A  EP FOR WELLSNITRITE  9 Years01/01/200812/31/20221
EP-A  EP FOR WELLSRAD - GROSS ALPHA  9 Years01/01/200812/31/20221
EP-A  EP FOR WELLSRAD - RADIUM 226/228  9 Years01/01/200812/31/20221
EP-A  EP FOR WELLSRAD - URANIUM  9 Years01/01/200812/31/20221
EP-A  EP FOR WELLSSOC  3 Years01/01/200212/31/20221
EP-A  EP FOR WELLSVOLATILE ORGANICS  3 Years01/01/200212/31/20221

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For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 1079