OHA Drinking Water Services
OR41
PWS ID: 00670 ---- PORT ORFORD, 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
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,015 1 done 11/29/2021
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   10 08/05/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 9 1 incomplete11/12/2025
EP-A  EP FOR WTP ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,015 1 done 07/17/2025
EP-A  EP FOR WTP IOC notes9 Years01/01/2020 - 12/31/2028 1,015 1 done 07/17/2025
EP-A  EP FOR WTP NITRATE  Yearly 01/01/2026 - 12/31/2026 284 1 incomplete07/17/2025
EP-A  EP FOR WTP NITRITE notes9 Years01/01/2020 - 12/31/2028 1,015 1 done 07/17/2025
EP-A  EP FOR WTP PFAS notesQuarterly 01/01/2026 - 03/31/2026 9 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR WTP RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete07/28/2025
EP-A  EP FOR WTP RAD - RADIUM 226/228notes9 Years01/01/2020 - 12/31/2028 1,015 1 done 07/28/2025
EP-A  EP FOR WTP RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete07/28/2025
EP-A  EP FOR WTP SOC  3 Years 01/01/2026 - 12/31/2028 1,015 1 incomplete07/17/2025
EP-A  EP FOR WTP VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 284 1 incomplete07/17/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly01/01/200412/31/20111Raw Water TOC Only Required for Reduction in DBP Monitoring
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly03/01/201204/05/20121TOC not req'd for 2-log WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200406/30/20081Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/201209/30/20131
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200912/31/20111Sample between June 1 and Sept. 30.
EP-A  EP FOR WTPARSENIC  Yearly01/01/200212/31/20101
EP-A  EP FOR WTPRAD - RADIUM 226/228  6 Years01/01/200812/31/20101

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