OHA Drinking Water Services
OR41
PWS ID: 93750 ---- WILLOWCREEK ELEM SD #84

See also: Coliform 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
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   5 09/28/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2024 - 12/31/2024   1incomplete09/29/2021
 Seasonal sampling period:  09/01  thru  09/30
EP-B  EP FOR WELLS ARSENIC  Yearly01/01/2024 - 12/31/2024 238 1 done 03/13/2024
EP-B  EP FOR WELLS IOC notes9 Years01/01/2017 - 12/31/2025 603 1 incomplete06/15/2016
EP-B  EP FOR WELLS NITRATE  Yearly01/01/2024 - 12/31/2024 238 1 incomplete02/15/2023
EP-B  EP FOR WELLS NITRITE notes9 Years01/01/2017 - 12/31/2025 603 1 done 03/16/2022
EP-B  EP FOR WELLS SOC  3 Years01/01/2023 - 12/31/2025 603 1 incomplete11/02/2022
EP-B  EP FOR WELLS VOLATILE ORGANICS  3 Years01/01/2023 - 12/31/2025 603 1 incomplete11/02/2022

7  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/200912/31/20131Sample between June 1 and Sept. 30. Monioring reduction granted.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200812/31/20081Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/20125Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/201312/31/20165
EP-A  EP FOR IRRIGATION WELLARSENIC  3 Years01/01/200212/17/20041
EP-A  EP FOR IRRIGATION WELLIOC  3 Years01/01/200212/17/20041
EP-A  EP FOR IRRIGATION WELLNITRATE  Yearly01/01/200212/17/20041
EP-A  EP FOR IRRIGATION WELLNITRITE  3 Years01/01/200212/17/20041
EP-A  EP FOR IRRIGATION WELLSOC  3 Years01/01/200212/17/20041
EP-A  EP FOR IRRIGATION WELLVOLATILE ORGANICS  3 Years01/01/200212/17/20041
EP-B  EP FOR WELLSARSENIC  3 Years01/01/200512/31/20101
EP-B  EP FOR WELLSARSENIC  Monthly10/01/201809/30/20191
EP-B  EP FOR WELLSARSENIC  Quarterly01/01/201809/30/20181
EP-B  EP FOR WELLSARSENIC  Quarterly10/01/201312/31/20141
EP-B  EP FOR WELLSARSENIC  Quarterly10/01/201912/31/20221
EP-B  EP FOR WELLSARSENIC  Yearly01/01/201109/30/20131
EP-B  EP FOR WELLSARSENIC  Yearly01/01/201512/31/20171
EP-B  EP FOR WELLSIOC  3 Years01/01/200512/31/20071
EP-B  EP FOR WELLSNITRITE  3 Years01/01/200512/31/20071

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More information for this water system: SDWIS ID 3081
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