OHA Drinking Water Services
Related:  Coliform Schedules

PWS ID: 94200 ---- COE DALLES/JD-THE DALLES DAM

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 notes3 Years01/01/2024 - 12/31/2024   5 07/08/2021
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE) ARSENIC  3 Years01/01/2020 - 12/31/2022 188 1 done 01/11/2022
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE) IOC  3 Years01/01/2020 - 12/31/2022 188 1 done 01/11/2022
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE) NITRATE  Yearly01/01/2022 - 12/31/2022 188 1 done 01/11/2022
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE) NITRITE  3 Years01/01/2020 - 12/31/2022 188 1 done 01/11/2022
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE) SOC  3 Years01/01/2020 - 12/31/2022 188 1 done 01/11/2022
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE) VOLATILE ORGANICS  3 Years01/01/2020 - 12/31/2022 188 1 done 01/11/2022
EP-C  EP for WELL #3 (IN OREGON) ARSENIC notes9 Years01/01/2017 - 12/31/2025 1,284 1 incomplete07/19/2016
EP-C  EP for WELL #3 (IN OREGON) IOC  9 Years01/01/2014 - 12/31/2022 188 1 incomplete09/22/2011
EP-C  EP for WELL #3 (IN OREGON) NITRATE  Yearly01/01/2022 - 12/31/2022 188 1 incomplete08/09/2021
EP-C  EP for WELL #3 (IN OREGON) NITRITE notes9 Years01/01/2014 - 12/31/2022 188 1 incomplete09/22/2011
EP-C  EP for WELL #3 (IN OREGON) SOC  3 Years01/01/2020 - 12/31/2022 188 1 incomplete09/17/2019
EP-C  EP for WELL #3 (IN OREGON) VOLATILE ORGANICS  3 Years01/01/2020 - 12/31/2022 188 1 incomplete09/17/2019

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200209/07/20045Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200512/31/20115Sample between June 1 and Sept 30
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)ARSENIC  3 Years01/01/200209/19/20051Out of service per the 09/07/04 SS Deactivated 09/26/05 AH
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)ARSENIC  3 Years01/01/200509/19/20051
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)IOC  3 Years01/01/200209/19/20051Out of service per the 09/07/04 SS Deactivated 09/26/05 AH
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)IOC  3 Years01/01/200509/19/20051
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)NITRATE  Yearly01/01/200209/19/20051Out of service per the 09/07/04 SS Deactivated 09/26/05 AH
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)NITRATE  Yearly01/01/200509/19/20051
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)NITRITE  3 Years01/01/200209/19/20051Out of service per the 09/07/04 SS Deactivated 09/26/05 AH
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)SOC  3 Years01/01/200209/19/20051Out of service per the 09/07/04 SS Deactivated 09/26/05 AH
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)SOC  3 Years01/01/200509/19/20051
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)VOLATILE ORGANICS  3 Years01/01/200209/19/20051
EP-A  EP FOR WELL #1 (IN WASHINGTON STATE)VOLATILE ORGANICS  3 Years01/01/200509/19/20051
EP-C  EP for WELL #3 (IN OREGON)ARSENIC  3 Years01/01/200209/07/20041Out of service per the 09/07/04 SS Deactivated 09/26/05 AH
EP-C  EP for WELL #3 (IN OREGON)ARSENIC  3 Years01/01/200512/31/20161
EP-C  EP for WELL #3 (IN OREGON)IOC  9 Years01/01/200209/07/20041Schedule Reflects Monitoring Reduction Granted
EP-C  EP for WELL #3 (IN OREGON)NITRATE  Yearly01/01/200209/07/20041
EP-C  EP for WELL #3 (IN OREGON)NITRITE  9 Years01/01/200209/07/20041Schedule Reflects Monitoring Reduction Granted
EP-C  EP for WELL #3 (IN OREGON)SOC  3 Years01/01/200209/07/20041
EP-C  EP for WELL #3 (IN OREGON)VOLATILE ORGANICS  3 Years01/01/200209/07/20041

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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: 1640