OHA Drinking Water Services
Related:  Coliform Schedules  ::  LT2 Schedules

PWS ID: 00379 ---- JOINT WATER COMMISSION

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
CH-A  COMMON HEADER FOR WTP-A TOC & ALKALINITY notesQuarterly10/01/2023 - 12/31/2023 24 1 done 10/09/2023
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly01/01/2023 - 12/31/2023 24 1 done 07/12/2023
 Seasonal sampling period:  07/01  thru  07/31
EP-A  EP FOR TUALATIN RIVERHEXACHLOROCYCLOPENTADIENE notesYearly01/01/2023 - 12/31/2023 24 1 done 04/10/2023
EP-A  EP FOR TUALATIN RIVER ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,851 1 done 11/06/2023
EP-A  EP FOR TUALATIN RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,851 1 done 11/06/2023
EP-A  EP FOR TUALATIN RIVER NITRATE  Yearly01/01/2023 - 12/31/2023 24 1 done 04/10/2023
EP-A  EP FOR TUALATIN RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,851 1 done 04/10/2023
EP-A  EP FOR TUALATIN RIVER RAD - GROSS ALPHA notes9 Years01/01/2017 - 12/31/2025 755 1 done 04/07/2021
EP-A  EP FOR TUALATIN RIVER RAD - RADIUM 226/228 9 Years01/01/2023 - 12/31/2031 2,946 1 incomplete04/07/2021
EP-A  EP FOR TUALATIN RIVER RAD - URANIUM notes9 Years01/01/2017 - 12/31/2025 755 1 done 04/07/2021
EP-A  EP FOR TUALATIN RIVER SOC notes3 Years01/01/2023 - 12/31/2025 755 2 incomplete04/10/2023
EP-A  EP FOR TUALATIN RIVER VOLATILE ORGANICS  Yearly01/01/2023 - 12/31/2023 24 1 done 04/10/2023
SRC-AA  TUALATIN RIVER CYANOTOXINS  2 Weeks-- -- -- -- --10/30/2023
 Seasonal sampling period:  05/01  thru  10/31
WTP-A  TP FOR TUALATIN RIVERTOTAL ORGANIC CARBONnotesMonthly12/01/2023 - 12/31/2023 24 1 incomplete 10/09/2023

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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: 3889

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