OHA Drinking Water Services
OR41
PWS ID: 00954 ---- WILSONVILLE, 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-H  COMMON HEADER FOR WTP-H TOC & ALKALINITY notesQuarterly 07/01/2024 - 09/30/2024 75 1 incomplete04/03/2024
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2024 - 12/31/2024   30incomplete08/24/2021
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 07/01/2024 - 09/30/2024 75 4 incomplete05/07/2024
EP-H  EP FOR WILLAMETTE RIVERBROMATE notesQuarterly07/01/2024 - 09/30/2024 75 1 incomplete 04/01/2024
EP-H  EP FOR WILLAMETTE RIVER ARSENIC notes9 Years01/01/2017 - 12/31/2025 532 1 done 01/11/2023
EP-H  EP FOR WILLAMETTE RIVER CYANOTOXINS  Weekly 07/14/2024 - 07/20/2024 3 1 incomplete07/08/2024
 Seasonal sampling period:  05/01  thru  10/31
EP-H  EP FOR WILLAMETTE RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,628 1 done 01/11/2023
EP-H  EP FOR WILLAMETTE RIVER NITRATE  Yearly01/01/2024 - 12/31/2024 167 1 done 01/29/2024
EP-H  EP FOR WILLAMETTE RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,628 1 done 01/29/2024
EP-H  EP FOR WILLAMETTE RIVER RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,723 1 incomplete04/25/2022
EP-H  EP FOR WILLAMETTE RIVER RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,723 1 incomplete04/25/2022
EP-H  EP FOR WILLAMETTE RIVER RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,723 1 incomplete04/25/2022
EP-H  EP FOR WILLAMETTE RIVER SOC notes3 Years01/01/2023 - 12/31/2025 532 1 done 01/11/2023
EP-H  EP FOR WILLAMETTE RIVER VOLATILE ORGANICS  Yearly01/01/2024 - 12/31/2024 167 1 done 01/30/2024
SRC-HA  WILLAMETTE RIVER CYANOTOXINS  Weekly 07/14/2024 - 07/20/2024 3 1 incomplete07/08/2024
 Seasonal sampling period:  05/01  thru  10/31
WTP-H  TP FOR WILLAMETTE RIVERTOTAL ORGANIC CARBON Quarterly07/01/2024 - 09/30/2024 75 1 incomplete 04/03/2024

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More information for this water system: SDWIS ID 4377
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