OHA Drinking Water Services
OR41
PWS ID: 05094 ---- THE MARYLHURST SCHOOL

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 Years01/01/2027 - 12/31/2027   5 06/15/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC  9 Years01/01/2020 - 12/31/2028 1,022 1 done 02/09/2022
EP-A  EP for WELL IOC  9 Years01/01/2020 - 12/31/2028 1,022 1 done 02/09/2022
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 291 1 incomplete11/07/2025
EP-A  EP for WELL NITRITE  9 Years01/01/2020 - 12/31/2028 1,022 1 done 02/09/2022
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 107 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,022 1 incomplete11/18/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,022 1 incomplete11/07/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200512/13/20175Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20045Sample Between June 1st and Sept 30th
EP-A  EP for WELLARSENIC  3 Years01/01/200212/31/20111
EP-A  EP for WELLARSENIC  9 Years01/01/201412/13/20171
EP-A  EP for WELLIOC  3 Years01/01/200212/31/20111
EP-A  EP for WELLIOC  9 Years01/01/201412/13/20171
EP-A  EP for WELLNITRATE  Yearly01/01/200211/05/20201
EP-A  EP for WELLNITRITE  3 Years01/01/200212/31/20111
EP-A  EP for WELLNITRITE  9 Years01/01/201412/13/20171
EP-A  EP for WELLSOC  3 Years01/01/200212/13/20171
EP-A  EP for WELLVOLATILE ORGANICS  3 Years01/01/200212/13/20171

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