OHA Drinking Water Services
OR41
PWS ID: 01518 ---- CSWA CHEHALEM SPRINGS

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   5 06/24/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1  08/22/2023
 Seasonal sampling period:  08/01  thru  08/31
EP-A  EP FOR SKELTON SPRINGDIQUAT  Quarterly10/01/2024 - 12/31/2024 5 1 done 10/08/2024
EP-A  EP FOR SKELTON SPRING ARSENIC notes9 Years 01/01/2017 - 12/31/2025 370 1 incomplete09/15/2014
EP-A  EP FOR SKELTON SPRING IOC notes9 Years 01/01/2020 - 12/31/2028 1,466 1 incomplete03/09/2011
EP-A  EP FOR SKELTON SPRING NITRATE  Yearly 01/01/2024 - 12/31/2024 5 1 incomplete03/13/2023
EP-A  EP FOR SKELTON SPRING NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,466 1 incomplete03/09/2011
EP-A  EP FOR SKELTON SPRING RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,466 1 incomplete12/01/2022
EP-A  EP FOR SKELTON SPRING RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,561 1 incomplete12/01/2022
EP-A  EP FOR SKELTON SPRING RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,561 1 incomplete12/01/2022
EP-A  EP FOR SKELTON SPRING SOC  3 Years01/01/2023 - 12/31/2025 370 1 done 09/19/2023
EP-A  EP FOR SKELTON SPRING VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 370 1 incomplete12/01/2022
EP-B  EP FOR SNYDER SPRING ARSENIC notes9 Years 01/01/2017 - 12/31/2025 370 1 incomplete09/15/2014
EP-B  EP FOR SNYDER SPRING IOC notes9 Years 01/01/2020 - 12/31/2028 1,466 1 incomplete03/09/2011
EP-B  EP FOR SNYDER SPRING NITRATE  Yearly 01/01/2024 - 12/31/2024 5 1 incomplete03/13/2023
EP-B  EP FOR SNYDER SPRING NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,466 1 incomplete03/09/2011
EP-B  EP FOR SNYDER SPRING RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,466 1 incomplete12/01/2022
EP-B  EP FOR SNYDER SPRING RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,561 1 incomplete12/01/2022
EP-B  EP FOR SNYDER SPRING RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,561 1 incomplete12/01/2022
EP-B  EP FOR SNYDER SPRING SOC  3 Years01/01/2023 - 12/31/2025 370 1 done 09/19/2023
EP-B  EP FOR SNYDER SPRING VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 370 1 incomplete12/01/2022

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/200912/31/20131Sample between June 1 and September 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/200906/30/201010Sample schedule closed because of exceedance
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/201006/30/201510Sampling does not begin until treatment is installed and shown to be effective
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201612/31/20195Sample between June 1st and September 30th
EP-A  EP FOR SKELTON SPRINGARSENIC  3 Years01/01/200212/31/20161
EP-A  EP FOR SKELTON SPRINGRAD - GROSS ALPHA  9 Years01/01/200812/31/20161Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR SKELTON SPRINGRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-A  EP FOR SKELTON SPRINGRAD - URANIUM  6 Years01/01/200812/31/20131
EP-A  EP FOR SKELTON SPRINGSOC  3 Years01/01/200212/31/200922 Consec. QT Samples
EP-A  EP FOR SKELTON SPRINGSOC  3 Years01/01/201012/31/20161
EP-B  EP FOR SNYDER SPRINGARSENIC  3 Years01/01/200212/31/20161
EP-B  EP FOR SNYDER SPRINGRAD - GROSS ALPHA  9 Years01/01/200812/31/20161Schedule Reflects Monitoring Reduction Granted
EP-B  EP FOR SNYDER SPRINGRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-B  EP FOR SNYDER SPRINGRAD - URANIUM  6 Years01/01/200812/31/20131
EP-B  EP FOR SNYDER SPRINGSOC  3 Years01/01/200212/31/200922 Consec. QT Samples
EP-B  EP FOR SNYDER SPRINGSOC  3 Years01/01/201012/31/20161
EP-D  EP ATKINSON SPRINGRAD - GROSS ALPHA  9 Years01/01/200812/31/20071Schedule Reflects Monitoring Reduction Granted
EP-D  EP ATKINSON SPRINGRAD - RADIUM 226/228  6 Years01/01/200812/31/20071
EP-D  EP ATKINSON SPRINGRAD - URANIUM  6 Years01/01/200812/31/20071

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