OHA Drinking Water Services
OR41
PWS ID: 00073 ---- BAKER CITY

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 Years01/01/2026 - 12/31/2026   30 07/30/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 04/01/2026 - 06/30/2026 81 4 incomplete01/07/2026
EP-A  EP FOR WATERSHED SOURCES ARSENIC  Yearly 01/01/2026 - 12/31/2026 265 1 incomplete07/02/2025
EP-A  EP FOR WATERSHED SOURCES IOC notes9 Years 01/01/2020 - 12/31/2028 996 1 incomplete04/19/2017
EP-A  EP FOR WATERSHED SOURCES NITRATE  Yearly 01/01/2026 - 12/31/2026 265 1 incomplete07/02/2025
EP-A  EP FOR WATERSHED SOURCES NITRITE notes9 Years 01/01/2020 - 12/31/2028 996 1 incomplete04/19/2017
EP-A  EP FOR WATERSHED SOURCES RAD - GROSS ALPHA  9 Years01/01/2023 - 12/31/2031 2,091 1 done 12/11/2024
EP-A  EP FOR WATERSHED SOURCES RAD - RADIUM 226/228 9 Years01/01/2023 - 12/31/2031 2,091 1 done 12/11/2024
EP-A  EP FOR WATERSHED SOURCES RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,187 1 incomplete12/11/2024
EP-A  EP FOR WATERSHED SOURCES SOC notes3 Years 01/01/2026 - 12/31/2028 996 2 incomplete05/21/2025
EP-A  EP FOR WATERSHED SOURCES VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 265 1 incomplete07/02/2025

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