OHA Drinking Water Services
OR41
PWS ID: 00609 ---- PACIFIC CITY JOINT WATER - SAN AUTH

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-C  COMMON HEADER FOR WTP-CTOTAL ORGANIC CARBONnotesQuarterly04/01/2026 - 06/30/2026 75 1 incomplete 11/10/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST  9 Years 01/01/2026 - 12/31/2034 3,181 1 incomplete04/02/2025
DIST-A  DISTRIBUTION SYSTEM DBP2 HAA5 ONLY notesQuarterly 04/01/2026 - 06/30/2026 75 1 incomplete11/10/2025
DIST-A  DISTRIBUTION SYSTEM DBP2 TTHM ONLY notesQuarterly 04/01/2026 - 06/30/2026 75 1 incomplete11/10/2025
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   10 08/26/2024
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,181 1 incomplete08/19/2025
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) IOC notes9 Years01/01/2020 - 12/31/2028 990 1 done 08/19/2025
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) NITRATE  Yearly 01/01/2026 - 12/31/2026 259 1 incomplete08/19/2025
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) NITRITE notes9 Years01/01/2020 - 12/31/2028 990 1 done 08/19/2025
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) PFAS notes6 Months 01/01/2026 - 06/30/2026 75 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,181 1 incomplete08/19/2025
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,181 1 incomplete08/19/2025
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 990 1 done 08/19/2025
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) SOC  3 Years 01/01/2026 - 12/31/2028 990 1 incomplete06/02/2025
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 990 1 incomplete05/05/2025
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) ARSENIC  9 Years01/01/2023 - 12/31/2031 2,085 1 done 08/19/2025
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) IOC notes9 Years01/01/2020 - 12/31/2028 990 1 done 08/19/2025
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) NITRATE  Yearly 01/01/2026 - 12/31/2026 259 1 incomplete08/19/2025
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) NITRITE notes9 Years01/01/2020 - 12/31/2028 990 1 done 08/19/2025
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) PFAS notes6 Months 01/01/2026 - 06/30/2026 75 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,181 1 incomplete08/19/2025
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,181 1 incomplete08/19/2025
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 990 1 done 08/19/2025
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) SOC  3 Years 01/01/2026 - 12/31/2028 990 1 incomplete04/29/2025
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 990 1 incomplete05/05/2025
EP-C  EP FOR HORN CREEK WTP ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,181 1 incomplete05/05/2025
EP-C  EP FOR HORN CREEK WTP IOC notes9 Years 01/01/2026 - 12/31/2034 3,181 1 incomplete05/05/2025
EP-C  EP FOR HORN CREEK WTP NITRATE  Yearly 01/01/2026 - 12/31/2026 259 1 incomplete05/05/2025
EP-C  EP FOR HORN CREEK WTP NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,181 1 incomplete05/05/2025
EP-C  EP FOR HORN CREEK WTP PFAS notesQuarterly 04/01/2026 - 06/30/2026 75 1 incomplete
  Initial monitoring - 4 quarters only
EP-C  EP FOR HORN CREEK WTP RAD - GROSS ALPHA  6 Years 01/01/2026 - 12/31/2031 2,085 1 incomplete08/19/2025
EP-C  EP FOR HORN CREEK WTP RAD - RADIUM 226/228 6 Years01/01/2023 - 12/31/2028 990 1 done 08/19/2025
EP-C  EP FOR HORN CREEK WTP RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,085 1 done 08/19/2025
EP-C  EP FOR HORN CREEK WTP SOC  3 Years 01/01/2026 - 12/31/2028 990 1 incomplete04/15/2025
EP-C  EP FOR HORN CREEK WTP VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 259 1 incomplete05/05/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
CH-C  COMMON HEADER FOR WTP-CTOTAL ORGANIC CARBON  Monthly04/01/201504/30/20161Raw Water TOC Only Required for Reduction in DBP Monitoring
DIST-A  DISTRIBUTION SYSTEMASBESTOS, DIST  3 Years01/01/200212/31/20071
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/200512/31/20102Sample between June 1 and Sept. 30. One perWTP.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly07/01/201109/30/20143
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200205/31/201110Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/201506/30/201520
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/201112/31/201120
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201212/31/201410Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201612/31/201810Sample between June 1 and September 30.
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS)ARSENIC  3 Years01/01/200212/31/20161
EP-A  EP FOR NORTH WELLFIELD (DUNE WELLS)RAD - URANIUM  6 Years01/01/200812/31/20191
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS)ARSENIC  3 Years01/01/200212/31/20131
EP-B  EP FOR SOUTH WELLFIELD (SPIT WELLS)RAD - URANIUM  6 Years01/01/200812/31/20191
EP-C  EP FOR HORN CREEK WTPARSENIC  Yearly01/01/201112/31/20141
EP-C  EP FOR HORN CREEK WTPETHYLBENZENE   Quarterly07/01/201103/31/20121
EP-C  EP FOR HORN CREEK WTPIOC  Yearly01/01/201112/31/20161
EP-C  EP FOR HORN CREEK WTPNITRITE  Yearly01/01/201112/31/20161
EP-C  EP FOR HORN CREEK WTPRAD - GROSS ALPHA  Quarterly04/01/201103/31/20121
EP-C  EP FOR HORN CREEK WTPRAD - RADIUM 226/228  9 Years01/01/201412/31/20161
EP-C  EP FOR HORN CREEK WTPRAD - RADIUM 226/228  Quarterly04/01/201103/31/20121
EP-C  EP FOR HORN CREEK WTPRAD - URANIUM  Quarterly04/01/201103/31/20121
EP-C  EP FOR HORN CREEK WTPVOLATILE ORGANICS  Yearly01/01/201112/31/20121
EP-C  EP FOR HORN CREEK WTPXYLENES, TOTAL   Quarterly07/01/201103/31/20121

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