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 Years01/01/2028 - 12/31/2028   5 09/24/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1incomplete08/22/2023
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR SKELTON SPRING ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete03/03/2025
EP-A  EP FOR SKELTON SPRING IOC notes9 Years 01/01/2020 - 12/31/2028 1,024 1 incomplete03/09/2011
EP-A  EP FOR SKELTON SPRING NITRATE  Yearly 01/01/2026 - 12/31/2026 293 1 incomplete04/15/2025
EP-A  EP FOR SKELTON SPRING NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,024 1 incomplete03/09/2011
EP-A  EP FOR SKELTON SPRING PFAS notes6 Months 01/01/2026 - 06/30/2026 109 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR SKELTON SPRING RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,024 1 incomplete12/01/2022
EP-A  EP FOR SKELTON SPRING RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,119 1 incomplete12/01/2022
EP-A  EP FOR SKELTON SPRING RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,119 1 incomplete12/01/2022
EP-A  EP FOR SKELTON SPRING SOC  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete09/19/2023
EP-A  EP FOR SKELTON SPRING VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete04/22/2025
EP-B  EP FOR SNYDER SPRING ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,215 1 incomplete04/22/2025
EP-B  EP FOR SNYDER SPRING IOC notes9 Years 01/01/2020 - 12/31/2028 1,024 1 incomplete03/09/2011
EP-B  EP FOR SNYDER SPRING NITRATE  Yearly 01/01/2026 - 12/31/2026 293 1 incomplete04/22/2025
EP-B  EP FOR SNYDER SPRING NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,024 1 incomplete03/09/2011
EP-B  EP FOR SNYDER SPRING PFAS notes6 Months 01/01/2026 - 06/30/2026 109 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR SNYDER SPRING RAD - GROSS ALPHA  6 Years 01/01/2023 - 12/31/2028 1,024 1 incomplete12/01/2022
EP-B  EP FOR SNYDER SPRING RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,119 1 incomplete12/01/2022
EP-B  EP FOR SNYDER SPRING RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,119 1 incomplete12/01/2022
EP-B  EP FOR SNYDER SPRING SOC  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete09/19/2023
EP-B  EP FOR SNYDER SPRING VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,024 1 incomplete04/22/2025

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