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 notesQuarterly04/01/2024 - 06/30/2024 75 1 incomplete01/10/2024
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 notesQuarterly04/01/2024 - 06/30/2024 75 4 incomplete02/08/2024
EP-H  EP FOR WILLAMETTE RIVERBROMATE notesQuarterly04/01/2024 - 06/30/2024 75 1 incomplete 01/09/2024
EP-H  EP FOR WILLAMETTE RIVER ARSENIC notes9 Years01/01/2017 - 12/31/2025 624 1 done 01/11/2023
EP-H  EP FOR WILLAMETTE RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,720 1 done 01/11/2023
EP-H  EP FOR WILLAMETTE RIVER NITRATE  Yearly01/01/2024 - 12/31/2024 259 1 done 01/29/2024
EP-H  EP FOR WILLAMETTE RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,720 1 done 01/29/2024
EP-H  EP FOR WILLAMETTE RIVER RAD - GROSS ALPHA  9 Years01/01/2023 - 12/31/2031 2,815 1 incomplete04/25/2022
EP-H  EP FOR WILLAMETTE RIVER RAD - RADIUM 226/228 9 Years01/01/2023 - 12/31/2031 2,815 1 incomplete04/25/2022
EP-H  EP FOR WILLAMETTE RIVER RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,815 1 incomplete04/25/2022
EP-H  EP FOR WILLAMETTE RIVER SOC notes3 Years01/01/2023 - 12/31/2025 624 1 done 01/11/2023
EP-H  EP FOR WILLAMETTE RIVER VOLATILE ORGANICS  Yearly01/01/2024 - 12/31/2024 259 1 done 01/30/2024
SRC-HA  WILLAMETTE RIVER CYANOTOXINS  2 Weeks-- -- -- -- --10/30/2023
 Seasonal sampling period:  05/01  thru  10/31
WTP-H  TP FOR WILLAMETTE RIVERTOTAL ORGANIC CARBON Quarterly04/01/2024 - 06/30/2024 75 1 incomplete 01/10/2024

8  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-H  COMMON HEADER FOR WTP-HTOC & ALKALINITY  Monthly01/01/200203/31/20081Raw and filtered TOC and alkalinity
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200209/30/20131Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR ELLIGSEN (STAFFORD) WELLNITRATE  Yearly01/01/200205/21/20021
EP-A  EP FOR ELLIGSEN (STAFFORD) WELLVOLATILE ORGANICS  3 Years01/01/200205/21/20021
EP-B  EP FOR WEIDMAN WELLNITRATE  Yearly01/01/200205/21/20021
EP-B  EP FOR WEIDMAN WELLVOLATILE ORGANICS  3 Years01/01/200205/21/20021
EP-C  EP FOR CHARBONNEAU WELLSNITRATE  Yearly01/01/200205/21/20021
EP-C  EP FOR CHARBONNEAU WELLSVOLATILE ORGANICS  3 Years01/01/200205/21/20021
EP-D  EP FOR GESELLSHAFT WELLNITRATE  Yearly01/01/200205/21/20021
EP-D  EP FOR GESELLSHAFT WELLVOLATILE ORGANICS  3 Years01/01/200205/21/20021
EP-E  EP FOR NIKE WELLNITRATE  Yearly01/01/200205/21/20021
EP-E  EP FOR NIKE WELLVOLATILE ORGANICS  3 Years01/01/200205/21/20021
EP-F  EP FOR CANYON CREEKNITRATE  Yearly01/01/200205/21/20021
EP-F  EP FOR CANYON CREEKVOLATILE ORGANICS  3 Years01/01/200205/21/20021
EP-G  EP FOR BOECKMAN WELLNITRATE  Yearly01/01/200205/21/20021
EP-G  EP FOR BOECKMAN WELLVOLATILE ORGANICS  3 Years01/01/200205/21/20021
EP-H  EP FOR WILLAMETTE RIVERARSENIC  Yearly01/01/200201/01/20071
EP-H  EP FOR WILLAMETTE RIVERBROMATE   Monthly01/01/200206/30/20111Sample at the Entry Point
EP-H  EP FOR WILLAMETTE RIVERDI(2-ETHYLHEXYL) PHTHALATE   Quarterly07/01/201509/30/20161
EP-H  EP FOR WILLAMETTE RIVERRAD - GROSS ALPHA  6 Years01/01/200812/31/20131
EP-H  EP FOR WILLAMETTE RIVERRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-H  EP FOR WILLAMETTE RIVERRAD - URANIUM  6 Years01/01/200812/31/20131
EP-H  EP FOR WILLAMETTE RIVERSOC  3 Years01/01/200212/31/201622 Consec. QT Samples
SRC-HA  WILLAMETTE RIVERCYANOTOXINS  2 Weeks07/15/201801/24/20191

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More information for this water system: SDWIS ID 4377
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