OHA Drinking Water Services
OR41
PWS ID: 00731 ---- SALEM PUBLIC WORKS

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-A  CH FOR GEREN ISLANDTOTAL ORGANIC CARBONnotesQuarterly01/01/2026 - 03/31/2026 27 1 incomplete 07/22/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,033 1 done 02/03/2020
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   50 09/21/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 27 8 incomplete10/30/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)BROMATE  Quarterly01/01/2026 - 03/31/2026 27 1 incomplete 10/06/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) ARSENIC  Yearly 01/01/2026 - 12/31/2026 302 1 incomplete02/26/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) IOC  Yearly 01/01/2026 - 12/31/2026 302 1 incomplete02/26/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) NITRATE  Quarterly 01/01/2026 - 03/31/2026 27 1 incomplete10/13/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) NITRITE  Yearly 01/01/2026 - 12/31/2026 302 1 incomplete10/13/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) PFAS notesQuarterly 01/01/2026 - 03/31/2026 27 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,224 1 incomplete07/09/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,224 1 incomplete10/13/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,224 1 incomplete10/13/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) SOC  Quarterly 01/01/2026 - 03/31/2026 27 1 incomplete10/13/2025
EP-A  EP FOR GEREN ISLAND (ALDERSGATE) VOLATILE ORGANICS  Quarterly 01/01/2026 - 03/31/2026 27 1 incomplete10/13/2025
EP-B  EP FOR ASR WELLS ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,224 1 incomplete04/27/2023
EP-B  EP FOR ASR WELLS IOC notes9 Years 01/01/2026 - 12/31/2034 3,224 1 incomplete04/27/2023
EP-B  EP FOR ASR WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 302 1 incomplete06/17/2025
EP-B  EP FOR ASR WELLS NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,224 1 incomplete06/17/2025
EP-B  EP FOR ASR WELLS PFAS notesQuarterly 01/01/2026 - 03/31/2026 27 1 incomplete
  Initial monitoring - 4 quarters only
EP-B  EP FOR ASR WELLS RAD - GROSS ALPHA notes9 Years01/01/2020 - 12/31/2028 1,033 1 done 06/17/2025
EP-B  EP FOR ASR WELLS RAD - RADIUM 226/228notes9 Years01/01/2020 - 12/31/2028 1,033 1 done 06/17/2025
EP-B  EP FOR ASR WELLS RAD - URANIUM notes9 Years01/01/2020 - 12/31/2028 1,033 1 done 04/27/2023
EP-B  EP FOR ASR WELLS SOC notes3 Years 01/01/2026 - 12/31/2028 1,033 2 incomplete06/17/2025
EP-B  EP FOR ASR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,033 1 incomplete06/17/2025
SRC-AA  NORTH SANTIAM RIVER CYANOTOXINS  2 Weeks-- -- -- -- --10/28/2025
  Seasonal sampling period:   05/01   thru   10/31

5  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  CH FOR GEREN ISLANDCYANOTOXINS  2 Weeks07/15/201807/15/20181
CH-A  CH FOR GEREN ISLANDCYANOTOXINS  WK 07/16/201809/10/20181
DIST-A  DISTRIBUTION SYSTEMASBESTOS, DIST  3 Years01/01/200504/01/20071Lead Exceedance 2003
DIST-A  DISTRIBUTION SYSTEMASBESTOS, DIST  9 Years01/01/200212/31/20041Schedule Reflects Monitoring Reduction Granted - 2003 Lead Exceedance
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200201/01/20101Schedule Reflects Monitoring Reduction Granted
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/201103/31/201244 per WTP per QT
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200206/30/200650Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200806/30/202150Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/202212/31/2022100
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/200612/31/2007100
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/202312/31/202550Collect samples between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly04/01/201209/30/20238Sample in Jan, April, July & Oct
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)2,4-D   Quarterly10/01/201609/30/20171
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)2,4-D   Yearly01/01/201812/31/20201
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)ARSENIC  9 Years01/01/201412/31/20231Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)ARSENIC  Yearly01/01/200212/31/20111
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)BROMATE   Monthly03/01/202204/30/20231
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)CYANOTOXINS  WK 06/16/202409/09/20241
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)CYANOTOXINS  WK 07/02/201908/03/20191
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)CYANOTOXINS  WK 07/13/202507/25/20251
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)CYANOTOXINS  WK 07/16/201809/10/20181
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)CYANOTOXINS  WK 10/10/202110/16/20211
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)IOC  9 Years01/01/200212/31/20231Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)NITRATE  Yearly01/01/200203/31/20241
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)NITRITE  9 Years01/01/200212/31/20231Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)RAD - GROSS ALPHA  9 Years01/01/200803/31/20241Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)RAD - GROSS ALPHA  Quarterly04/01/202409/30/20251
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)RAD - RADIUM 226/228  6 Years01/01/201412/31/20191
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)RAD - RADIUM 226/228  9 Years01/01/200812/31/20131Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)RAD - RADIUM 226/228  9 Years01/01/202003/31/20241
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)RAD - RADIUM 226/228  Quarterly04/01/202409/30/20251
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)RAD - URANIUM  9 Years01/01/200803/31/20241Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)RAD - URANIUM  Quarterly04/01/202409/30/20251
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)SOC  3 Years01/01/200212/31/202222 Consec. QT Samples
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)SOC  3 Years01/01/202303/31/202422 Consec. QT Samples
EP-A  EP FOR GEREN ISLAND (ALDERSGATE)VOLATILE ORGANICS  Yearly01/01/200203/31/20241
EP-B  EP FOR ASR WELLSARSENIC  3 Years01/01/201112/31/20161
EP-B  EP FOR ASR WELLSARSENIC  Yearly01/01/200812/31/20101
EP-B  EP FOR ASR WELLSDI(2-ETHYLHEXYL) PHTHALATE   Yearly01/01/201112/31/20131
EP-B  EP FOR ASR WELLSHEXACHLOROCYCLOPENTADIENE   Yearly01/01/201112/31/20131
EP-B  EP FOR ASR WELLSIOC  3 Years01/01/200812/31/20161
EP-B  EP FOR ASR WELLSNITRITE  3 Years01/01/200812/31/20161
EP-B  EP FOR ASR WELLSSOC  3 Years01/01/200812/31/20132
EP-C  EP FOR HEMLOCK WELLARSENIC  3 Years01/01/200812/31/20111
EP-C  EP FOR HEMLOCK WELLIOC  3 Years01/01/200812/31/20111
EP-C  EP FOR HEMLOCK WELLNITRATE  Yearly01/01/200812/31/20111
EP-C  EP FOR HEMLOCK WELLNITRITE  3 Years01/01/200812/31/20111
EP-C  EP FOR HEMLOCK WELLRAD - GROSS ALPHA  9 Years01/01/201112/31/20111Schedule Reflects Monitoring Reduction Granted
EP-C  EP FOR HEMLOCK WELLRAD - RADIUM 226/228  6 Years01/01/201112/31/20111
EP-C  EP FOR HEMLOCK WELLRAD - URANIUM  9 Years01/01/201112/31/20111Schedule Reflects Monitoring Reduction Granted
EP-C  EP FOR HEMLOCK WELLSOC  3 Years01/01/200812/31/201122 Consec. QT Samples
EP-C  EP FOR HEMLOCK WELLVOLATILE ORGANICS  3 Years01/01/200812/31/20111
SRC-AA  NORTH SANTIAM RIVERCYANOTOXINS  2 Weeks01/27/201907/01/20191
SRC-AA  NORTH SANTIAM RIVERCYANOTOXINS  2 Weeks09/01/201910/07/20211
SRC-AA  NORTH SANTIAM RIVERCYANOTOXINS  2 Weeks09/15/202407/12/20251
SRC-AA  NORTH SANTIAM RIVERCYANOTOXINS  2 Weeks09/24/201801/24/20191
SRC-AA  NORTH SANTIAM RIVERCYANOTOXINS  2 Weeks10/17/202106/12/20241
SRC-AA  NORTH SANTIAM RIVERCYANOTOXINS  WK 06/16/202409/09/20241
SRC-AA  NORTH SANTIAM RIVERCYANOTOXINS  WK 07/02/201908/30/20191
SRC-AA  NORTH SANTIAM RIVERCYANOTOXINS  WK 07/13/202507/18/20251
SRC-AA  NORTH SANTIAM RIVERCYANOTOXINS  WK 10/10/202110/16/20211

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