OHA Drinking Water Services
OR41
PWS ID: 01510 ---- WAPATO MOORAGE 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 07/27/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL #2 ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,009 1 incomplete05/22/2019
EP-A  EP FOR WELL #2 IOC  9 Years 01/01/2020 - 12/31/2028 1,009 1 incomplete05/22/2019
EP-A  EP FOR WELL #2 NITRATE  Yearly 01/01/2026 - 12/31/2026 278 1 incomplete06/02/2025
EP-A  EP FOR WELL #2 NITRITE  9 Years 01/01/2020 - 12/31/2028 1,009 1 incomplete05/22/2019
EP-A  EP FOR WELL #2 PFAS notes6 Months01/01/2026 - 06/30/2026 94 1 done 01/08/2026
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #2 RAD - GROSS ALPHA  6 Years 01/01/2026 - 12/31/2031 2,104 1 incomplete02/19/2020
EP-A  EP FOR WELL #2 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,009 1 incomplete11/27/2019
EP-A  EP FOR WELL #2 RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,009 1 incomplete11/27/2019
EP-A  EP FOR WELL #2 SOC  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete06/02/2025
EP-A  EP FOR WELL #2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete06/02/2025

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