OHA Drinking Water Services
OR41
PWS ID: 00724 ---- ST HELENS, 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
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON Quarterly04/01/2024 - 06/30/2024 51 1 incomplete 02/14/2024
CH-A  COMMON HEADER FOR WTP-A CYANOTOXINS  2 Weeks05/05/2024 - 05/18/2024 8 1 incomplete10/23/2023
 Seasonal sampling period:  05/01  thru  10/31
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   30 09/15/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly04/01/2024 - 06/30/2024 51 2 incomplete02/24/2024
EP-A  EP FOR RANNEY COLLECTORS ARSENIC notes9 Years01/01/2017 - 12/31/2025 600 1 done 09/15/2021
EP-A  EP FOR RANNEY COLLECTORS IOC notes9 Years01/01/2020 - 12/31/2028 1,696 1 done 09/15/2021
EP-A  EP FOR RANNEY COLLECTORS NITRATE  Yearly01/01/2024 - 12/31/2024 235 1 incomplete09/06/2023
EP-A  EP FOR RANNEY COLLECTORS NITRITE notes9 Years01/01/2020 - 12/31/2028 1,696 1 done 09/15/2021
EP-A  EP FOR RANNEY COLLECTORS RAD - GROSS ALPHA notes9 Years01/01/2017 - 12/31/2025 600 1 done 09/15/2021
EP-A  EP FOR RANNEY COLLECTORS RAD - RADIUM 226/228notes9 Years01/01/2017 - 12/31/2025 600 1 done 09/15/2021
EP-A  EP FOR RANNEY COLLECTORS RAD - URANIUM notes9 Years01/01/2020 - 12/31/2028 1,696 1 done 09/15/2021
EP-A  EP FOR RANNEY COLLECTORS SOC notes3 Years01/01/2023 - 12/31/2025 600 2 done 10/18/2023
EP-A  EP FOR RANNEY COLLECTORS VOLATILE ORGANICS  Yearly01/01/2024 - 12/31/2024 235 1 incomplete09/06/2023

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ACYANOTOXINS  WK 07/30/202309/15/20231
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200212/31/20058Reflects 4 RT Samples Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200612/31/20061Schedule Reflects Monitoring Reduction Granted
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200709/30/20131Schedule Reflects Monitoring Reduction Granted
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/200606/30/200760
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201312/31/20164Sample During November, February, May, and August.
EP-A  EP FOR RANNEY COLLECTORSARSENIC  3 Years01/01/200212/31/20071
EP-A  EP FOR RANNEY COLLECTORSRAD - URANIUM  3 Years01/01/200812/31/20101
EP-A  EP FOR RANNEY COLLECTORSVOLATILE ORGANICS  3 Years01/01/200212/31/20091
EP-B  EP FOR BAYPORT WELLARSENIC  3 Years01/01/200212/31/20071Last Sampled in 2006
EP-B  EP FOR BAYPORT WELLIOC  9 Years01/01/200212/31/20101Last Sampled in 2003
EP-B  EP FOR BAYPORT WELLNITRATE  Yearly01/01/200212/31/20081Last Sampled in 2008
EP-B  EP FOR BAYPORT WELLNITRATE  Yearly01/01/200912/31/20091Temporary Schedule During Emergency Use - Last Sampled 2008
EP-B  EP FOR BAYPORT WELLNITRITE  9 Years01/01/200212/31/20101Last Sampled in 2003
EP-B  EP FOR BAYPORT WELLRAD - GROSS ALPHA  9 Years01/01/200812/31/20101Schedule Reflects Monitoring Reduction Granted. Temporary Schedule During Emergency Use - Last Sampled 2003
EP-B  EP FOR BAYPORT WELLRAD - RADIUM 226/228  9 Years01/01/200812/31/20101Schedule Reflects Monitoring Reduction Granted. Temporary Schedule During Emergency Use - Last Sampled 2003
EP-B  EP FOR BAYPORT WELLRAD - URANIUM  6 Years01/01/200812/31/20101Temporary Schedule During Emergency Use - Last sampled 2003
EP-B  EP FOR BAYPORT WELLSOC  3 Years01/01/200212/31/20072Last Sampled in 2006
EP-B  EP FOR BAYPORT WELLSOC  3 Years01/01/200812/31/20102Temporary Schedule During Emergency Use - Last Sampled 2006
EP-B  EP FOR BAYPORT WELLVOLATILE ORGANICS  3 Years01/01/200212/31/20071Last Sampled in 2005
EP-B  EP FOR BAYPORT WELLVOLATILE ORGANICS  3 Years01/01/200812/31/20101Temporary Schedule During Emergency Use - Last Sampled 2008

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More information for this water system: SDWIS ID 4242
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