OHA Drinking Water Services
OR41
PWS ID: 00225 ---- CORVALLIS, CITY OF

See also: Coliform Schedules  ::  LT2 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
CH-A  COMMON HEADER FOR WTP-A TOC & ALKALINITY  Quarterly04/01/2024 - 06/30/2024 66 1 incomplete02/21/2024
CH-B  COMMON HEADER FOR WTP-B TOC & ALKALINITY  Quarterly04/01/2024 - 06/30/2024 66 1 incomplete02/21/2024
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   30 09/20/2023
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesQuarterly04/01/2024 - 06/30/2024 66 4 incomplete02/20/2024
EP-A  EP FOR TAYLOR WTP ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/26/2020
EP-A  EP FOR TAYLOR WTP IOC notes9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/26/2020
EP-A  EP FOR TAYLOR WTP NITRATE  Yearly01/01/2024 - 12/31/2024 250 1 incomplete08/16/2023
EP-A  EP FOR TAYLOR WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/16/2023
EP-A  EP FOR TAYLOR WTP RAD - GROSS ALPHA  9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/12/2020
EP-A  EP FOR TAYLOR WTP RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/12/2020
EP-A  EP FOR TAYLOR WTP RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/12/2020
EP-A  EP FOR TAYLOR WTP SOC notes3 Years01/01/2023 - 12/31/2025 615 2 done 08/16/2023
EP-A  EP FOR TAYLOR WTP VOLATILE ORGANICS  Yearly01/01/2024 - 12/31/2024 250 1 incomplete08/16/2023
EP-B  EP FOR ROCK CREEK WTP ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/26/2020
EP-B  EP FOR ROCK CREEK WTP IOC notes9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/26/2020
EP-B  EP FOR ROCK CREEK WTP NITRATE  Yearly01/01/2024 - 12/31/2024 250 1 incomplete08/16/2023
EP-B  EP FOR ROCK CREEK WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/16/2023
EP-B  EP FOR ROCK CREEK WTP RAD - GROSS ALPHA  9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/12/2020
EP-B  EP FOR ROCK CREEK WTP RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/12/2020
EP-B  EP FOR ROCK CREEK WTP RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 1,711 1 done 08/12/2020
EP-B  EP FOR ROCK CREEK WTP SOC notes3 Years01/01/2023 - 12/31/2025 615 2 done 08/16/2023
EP-B  EP FOR ROCK CREEK WTP VOLATILE ORGANICS  Yearly01/01/2024 - 12/31/2024 250 1 incomplete08/16/2023
WTP-A  TP FOR TAYLOR WTPTOTAL ORGANIC CARBON Quarterly04/01/2024 - 06/30/2024 66 1 incomplete 02/21/2024
WTP-B  TP FOR ROCK CREEK WTPTOTAL ORGANIC CARBON Quarterly04/01/2024 - 06/30/2024 66 1 incomplete 02/21/2024

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More information for this water system: SDWIS ID 3884
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