OHA Drinking Water Services
OR41
PWS ID: 93593 ---- PORTLAND TRAVEL CENTER

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   5done 09/25/2025
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP for WELL ARSENIC notes9 Years01/01/2017 - 12/31/2025 12 1 done 10/22/2024
EP-A  EP for WELL IOC notes9 Years01/01/2017 - 12/31/2025 12 1 done 10/22/2024
EP-A  EP for WELL NITRATE  Yearly01/01/2025 - 12/31/2025 12 1 done 07/08/2025
EP-A  EP for WELL NITRITE notes9 Years01/01/2017 - 12/31/2025 12 1 done 10/22/2024
EP-A  EP for WELL SOC  3 Years01/01/2023 - 12/31/2025 12 1 done 07/08/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years01/01/2023 - 12/31/2025 12 1 done 07/08/2025

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200212/31/20105Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/201112/31/20115
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/201212/31/20215sample between June 1 and Sept 30
EP-A  EP for WELLARSENIC  3 Years01/01/200212/31/20161
EP-A  EP for WELLIOC  3 Years01/01/201112/31/20161
EP-A  EP for WELLIOC  9 Years01/01/200212/31/20101Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLNITRITE  3 Years01/01/201112/31/20161
EP-A  EP for WELLNITRITE  9 Years01/01/200212/31/20101Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLSOC  3 Years01/01/200212/31/20101
EP-A  EP for WELLSOC  Yearly01/01/201112/31/20131
EP-A  EP for WELLTOLUENE   Quarterly01/01/201112/31/20111
EP-A  EP for WELLTOLUENE   Yearly01/01/201212/31/20141
EP-A  EP for WELLVOLATILE ORGANICS  3 Years01/01/200212/31/20101
EP-A  EP for WELLVOLATILE ORGANICS  Yearly01/01/201112/31/20141

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More information for this water system: SDWIS ID 1385
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