OHA Drinking Water Services
OR41
PWS ID: 01474 ---- WESTLAND WATER ASSOCIATION

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 07/22/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR SPRING ARSENIC  9 Years01/01/2020 - 12/31/2028 986 1 done 08/20/2025
EP-A  EP FOR SPRING IOC notes9 Years01/01/2020 - 12/31/2028 986 1 done 08/20/2025
EP-A  EP FOR SPRING NITRATE  Yearly01/01/2026 - 12/31/2026 255 1 done 01/14/2026
EP-A  EP FOR SPRING NITRITE notes9 Years01/01/2020 - 12/31/2028 986 1 done 08/20/2025
EP-A  EP FOR SPRING PFAS notes6 Months 01/01/2026 - 06/30/2026 71 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR SPRING RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,177 1 incomplete08/20/2025
EP-A  EP FOR SPRING RAD - RADIUM 226/228notes9 Years 01/01/2026 - 12/31/2034 3,177 1 incomplete08/20/2025
EP-A  EP FOR SPRING RAD - URANIUM notes9 Years01/01/2023 - 12/31/2031 2,081 1 done 08/20/2025
EP-A  EP FOR SPRING SOC  3 Years 01/01/2026 - 12/31/2028 986 1 incomplete08/20/2025
EP-A  EP FOR SPRING VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 986 1 incomplete08/20/2025

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