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

PWS ID: 00225 ---- CORVALLIS, CITY OF

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  Quarterly10/01/2022 - 12/31/2022 30 1 incomplete08/17/2022
CH-B  COMMON HEADER FOR WTP-B TOC & ALKALINITY  Quarterly10/01/2022 - 12/31/2022 30 1 incomplete08/17/2022
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2023 - 12/31/2023   30 09/03/2020
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesQuarterly10/01/2022 - 12/31/2022 30 4 incomplete08/09/2022
EP-A  EP FOR TAYLOR WTP ARSENIC notes9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/26/2020
EP-A  EP FOR TAYLOR WTP IOC notes9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/26/2020
EP-A  EP FOR TAYLOR WTP NITRATE  Yearly01/01/2022 - 12/31/2022 30 1 done 08/17/2022
EP-A  EP FOR TAYLOR WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/18/2021
EP-A  EP FOR TAYLOR WTP RAD - GROSS ALPHA  9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/12/2020
EP-A  EP FOR TAYLOR WTP RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/12/2020
EP-A  EP FOR TAYLOR WTP RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/12/2020
EP-A  EP FOR TAYLOR WTP SOC notes3 Years01/01/2020 - 12/31/2022 30 2 done 08/26/2020
EP-A  EP FOR TAYLOR WTP VOLATILE ORGANICS  Yearly01/01/2022 - 12/31/2022 30 1 done 08/17/2022
EP-B  EP FOR ROCK CREEK WTP ARSENIC notes9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/26/2020
EP-B  EP FOR ROCK CREEK WTP IOC notes9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/26/2020
EP-B  EP FOR ROCK CREEK WTP NITRATE  Yearly01/01/2022 - 12/31/2022 30 1 done 08/17/2022
EP-B  EP FOR ROCK CREEK WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/18/2021
EP-B  EP FOR ROCK CREEK WTP RAD - GROSS ALPHA  9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/12/2020
EP-B  EP FOR ROCK CREEK WTP RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/12/2020
EP-B  EP FOR ROCK CREEK WTP RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 2,222 1 done 08/12/2020
EP-B  EP FOR ROCK CREEK WTP SOC notes3 Years01/01/2020 - 12/31/2022 30 2 done 08/26/2020
EP-B  EP FOR ROCK CREEK WTP VOLATILE ORGANICS  Yearly01/01/2022 - 12/31/2022 30 1 done 08/17/2022
WTP-A  TP FOR TAYLOR WTPTOTAL ORGANIC CARBON Quarterly10/01/2022 - 12/31/2022 30 1 incomplete 08/17/2022
WTP-B  TP FOR ROCK CREEK WTPTOTAL ORGANIC CARBON Quarterly10/01/2022 - 12/31/2022 30 1 incomplete 08/17/2022

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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: 3884