OHA Drinking Water Services
OR41
PWS ID: 00681 ---- OCHOCO WEST WTR & SAN AUTHORITY

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 ASBESTOS, DIST  9 Years01/01/2020 - 12/31/2028 1,386 1 done 10/15/2020
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   5incomplete09/22/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2025 - 12/31/2025   1incomplete08/25/2022
 Seasonal sampling period:  08/01  thru  08/31
EP-A  EP FOR SPRINGS AND WELL ARSENIC notesYearly 01/01/2025 - 12/31/2025 290 2 incomplete09/04/2024
EP-A  EP FOR SPRINGS AND WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,386 1 done 09/04/2024
EP-A  EP FOR SPRINGS AND WELL NITRATE  Yearly 01/01/2025 - 12/31/2025 290 1 incomplete09/04/2024
EP-A  EP FOR SPRINGS AND WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,386 1 done 09/04/2024
EP-A  EP FOR SPRINGS AND WELL RAD - GROSS ALPHA  9 Years 01/01/2020 - 12/31/2028 1,386 1 incomplete05/03/2017
EP-A  EP FOR SPRINGS AND WELL RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,386 1 incomplete05/03/2017
EP-A  EP FOR SPRINGS AND WELL RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,386 1 incomplete05/03/2017
EP-A  EP FOR SPRINGS AND WELL SOC  3 Years01/01/2023 - 12/31/2025 290 1 done 09/04/2024
EP-A  EP FOR SPRINGS AND WELL VOLATILE ORGANICS  3 Years01/01/2023 - 12/31/2025 290 1 done 09/04/2024

23  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/200512/31/20131Sample between June 1 and Sept. 30. One perWTP.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
EP-A  EP FOR SPRINGS AND WELLARSENIC  3 Years01/01/200209/30/20091
EP-A  EP FOR SPRINGS AND WELLARSENIC  9 Years01/01/202009/01/20211
EP-A  EP FOR SPRINGS AND WELLARSENIC  Quarterly07/01/202206/30/20231
EP-A  EP FOR SPRINGS AND WELLARSENIC  Quarterly10/01/200912/31/20131
EP-A  EP FOR SPRINGS AND WELLARSENIC  Quarterly10/01/202112/31/20211Sample when SRC-AB is in use
EP-A  EP FOR SPRINGS AND WELLARSENIC  Yearly01/01/201412/31/20181
EP-A  EP FOR SPRINGS AND WELLARSENIC  Yearly01/01/202206/30/20221
EP-A  EP FOR SPRINGS AND WELLRAD - GROSS ALPHA  6 Years01/01/201712/31/20171
EP-A  EP FOR SPRINGS AND WELLRAD - GROSS ALPHA  9 Years01/01/200812/31/20161
EP-A  EP FOR SPRINGS AND WELLRAD - RADIUM 226/228  6 Years01/01/201712/31/20171
EP-A  EP FOR SPRINGS AND WELLRAD - RADIUM 226/228  9 Years01/01/200812/31/20161
EP-A  EP FOR SPRINGS AND WELLRAD - URANIUM  6 Years01/01/200812/31/20171

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