OHA Drinking Water Services
OR41
PWS ID: 01203 ---- AVION WC - RED CLOUD

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 Years01/01/2025 - 12/31/2025   10incomplete07/20/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2025 - 12/31/2025 336 1 incomplete08/27/2024
 Seasonal sampling period:  08/01  thru  08/31
EP-C  EP FOR POWELL BUTTE WELLS (NIXON) ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,432 1 incomplete11/06/2019
EP-C  EP FOR POWELL BUTTE WELLS (NIXON) IOC  9 Years 01/01/2020 - 12/31/2028 1,432 1 incomplete11/06/2019
EP-C  EP FOR POWELL BUTTE WELLS (NIXON) NITRATE  Yearly 01/01/2025 - 12/31/2025 336 1 incomplete09/10/2024
EP-C  EP FOR POWELL BUTTE WELLS (NIXON) NITRITE  9 Years 01/01/2020 - 12/31/2028 1,432 1 incomplete11/06/2019
EP-C  EP FOR POWELL BUTTE WELLS (NIXON) RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 336 1 done 05/18/2022
EP-C  EP FOR POWELL BUTTE WELLS (NIXON) RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 336 1 done 05/18/2022
EP-C  EP FOR POWELL BUTTE WELLS (NIXON) RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,527 1 incomplete05/18/2022
EP-C  EP FOR POWELL BUTTE WELLS (NIXON) SOC  3 Years 01/01/2023 - 12/31/2025 336 1 incomplete05/18/2022
EP-C  EP FOR POWELL BUTTE WELLS (NIXON) VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 336 1 incomplete05/18/2022

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200211/08/20185Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/201912/31/201910
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 IDSE  Yearly01/01/201912/31/20192Collect two dual sample sets in August, one at 9324 Old West Rd. and one at 9444 Copper Rd.
EP-A  EP FOR WELLARSENIC  3 Years01/01/200207/10/20031
EP-A  EP FOR WELLIOC  9 Years01/01/200207/10/20031Schedule reflects monitoring reductions granted
EP-A  EP FOR WELLNITRATE  Yearly01/01/200207/10/20031
EP-A  EP FOR WELLNITRITE  9 Years01/01/200207/10/20031Schedule reflects monitoring reductions granted
EP-A  EP FOR WELLSOC  3 Years01/01/200207/10/20031
EP-A  EP FOR WELLVOLATILE ORGANICS  3 Years01/01/200207/10/20031
EP-B  EP FOR WELL #4 (POKEGAMA)ARSENIC  3 Years01/01/200201/15/20041
EP-B  EP FOR WELL #4 (POKEGAMA)IOC  3 Years01/01/200201/15/20041
EP-B  EP FOR WELL #4 (POKEGAMA)NITRATE  Yearly01/01/200401/15/20041
EP-B  EP FOR WELL #4 (POKEGAMA)NITRITE  3 Years01/01/200201/15/20041
EP-B  EP FOR WELL #4 (POKEGAMA)SOC  3 Years01/01/200201/15/20041
EP-B  EP FOR WELL #4 (POKEGAMA)VOLATILE ORGANICS  3 Years01/01/200201/15/20041
EP-C  EP FOR POWELL BUTTE WELLS (NIXON)ARSENIC  3 Years01/01/200210/31/20101
EP-C  EP FOR POWELL BUTTE WELLS (NIXON)IOC  3 Years01/01/200212/31/20101
EP-C  EP FOR POWELL BUTTE WELLS (NIXON)NITRITE  3 Years01/01/200212/31/20101
EP-C  EP FOR POWELL BUTTE WELLS (NIXON)RAD - URANIUM  6 Years01/01/200812/31/20131
SRC-CB  POWELL BUTTE WELL #2 (NIXON)RAD - GROSS ALPHA  Quarterly10/01/201812/31/20181
SRC-CB  POWELL BUTTE WELL #2 (NIXON)RAD - RADIUM 226/228  Quarterly10/01/201812/31/20181
SRC-CB  POWELL BUTTE WELL #2 (NIXON)RAD - URANIUM  Quarterly10/01/201812/31/20181

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