OHA Drinking Water Services
OR41
PWS ID: 94203 ---- USACE JOHN DAY DAM

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 08/25/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 08/25/2025
 Seasonal sampling period:  08/01  thru  08/31
EP-A  EP FOR WELL #3 ARSENIC  3 Years 01/01/2026 - 12/31/2028 1,067 1 incomplete08/27/2024
EP-A  EP FOR WELL #3 IOC  3 Years 01/01/2026 - 12/31/2028 1,067 1 incomplete08/27/2024
EP-A  EP FOR WELL #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 336 1 incomplete07/09/2025
EP-A  EP FOR WELL #3 NITRITE  3 Years 01/01/2026 - 12/31/2028 1,067 1 incomplete08/27/2024
EP-A  EP FOR WELL #3 SOC  3 Years 01/01/2026 - 12/31/2028 1,067 1 incomplete08/27/2024
EP-A  EP FOR WELL #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,067 1 incomplete08/27/2024

6  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20131Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/20045Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200512/31/20105Sample between June 1 and Sept 30
EP-A  EP FOR WELL #3ARSENIC  3 Years01/01/200210/11/20181
EP-A  EP FOR WELL #3IOC  9 Years01/01/200210/11/20181Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #3NITRATE  Yearly01/01/200210/11/20181
EP-A  EP FOR WELL #3NITRITE  9 Years01/01/200210/11/20181Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELL #3SOC  3 Years01/01/200210/11/20181
EP-A  EP FOR WELL #3VOLATILE ORGANICS  3 Years01/01/200210/11/20181
EP-B  EP FOR WELL #2ARSENIC  3 Years01/01/200512/31/20061
EP-B  EP FOR WELL #2ARSENIC  3 Years01/01/201912/31/20191
EP-B  EP FOR WELL #2IOC  3 Years01/01/200512/31/20061
EP-B  EP FOR WELL #2IOC  3 Years01/01/201912/31/20191
EP-B  EP FOR WELL #2NITRATE  Yearly01/01/200512/31/20061
EP-B  EP FOR WELL #2NITRATE  Yearly01/01/201912/31/20191
EP-B  EP FOR WELL #2NITRITE  3 Years01/01/200512/31/20061
EP-B  EP FOR WELL #2NITRITE  3 Years01/01/201912/31/20191
EP-B  EP FOR WELL #2SOC  3 Years01/01/200512/31/20061
EP-B  EP FOR WELL #2SOC  3 Years01/01/201912/31/20191
EP-B  EP FOR WELL #2VOLATILE ORGANICS  3 Years01/01/200512/31/20061
EP-B  EP FOR WELL #2VOLATILE ORGANICS  3 Years01/01/201912/31/20191

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More information for this water system: SDWIS ID 1643

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