OHA Drinking Water Services
OR41
PWS ID: 00363 ---- HALFWAY, CITY OF

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 notes9 Years 01/01/2020 - 12/31/2028 1,341 1 incomplete09/19/2012
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   5incomplete08/04/2021
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR WELL #3 ARSENIC notes9 Years01/01/2017 - 12/31/2025 245 1 done 04/02/2025
EP-A  EP FOR WELL #3 IOC notes9 Years01/01/2020 - 12/31/2028 1,341 1 done 08/26/2020
EP-A  EP FOR WELL #3 NITRATE  Yearly01/01/2025 - 12/31/2025 245 1 done 04/02/2025
EP-A  EP FOR WELL #3 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,341 1 done 08/26/2020
EP-A  EP FOR WELL #3 RAD - GROSS ALPHA notes9 Years01/01/2017 - 12/31/2025 245 1 done 06/28/2017
EP-A  EP FOR WELL #3 RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,341 1 incomplete07/02/2014
EP-A  EP FOR WELL #3 RAD - URANIUM notes9 Years01/01/2017 - 12/31/2025 245 1 done 06/28/2017
EP-A  EP FOR WELL #3 SOC  3 Years 01/01/2023 - 12/31/2025 245 1 incomplete08/26/2020
EP-A  EP FOR WELL #3 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 245 1 incomplete08/26/2020
EP-B  EP FOR WELL #1 ARSENIC notes9 Years 01/01/2017 - 12/31/2025 245 1 incomplete07/15/2015
EP-B  EP FOR WELL #1 IOC  9 Years 01/01/2023 - 12/31/2031 2,436 1 incomplete07/15/2015
EP-B  EP FOR WELL #1 NITRATE  Yearly01/01/2025 - 12/31/2025 245 1 done 04/09/2025
EP-B  EP FOR WELL #1 NITRITE  9 Years 01/01/2023 - 12/31/2031 2,436 1 incomplete07/15/2015
EP-B  EP FOR WELL #1 RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,436 1 incomplete07/15/2015
EP-B  EP FOR WELL #1 RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,436 1 incomplete07/15/2015
EP-B  EP FOR WELL #1 RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,436 1 incomplete07/15/2015
EP-B  EP FOR WELL #1 SOC  6 Years 01/01/2020 - 12/31/2025 245 1 incomplete07/15/2015
EP-B  EP FOR WELL #1 VOLATILE ORGANICS  6 Years 01/01/2020 - 12/31/2025 245 1 incomplete07/15/2015

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
EP-A  EP FOR WELL #3ARSENIC  3 Years01/01/200212/31/20141
EP-A  EP FOR WELL #3RAD - RADIUM 226/228  6 Years01/01/200812/31/20191Schedule based on 9/23/02 result. BG
EP-A  EP FOR WELL #3SOC  3 Years01/01/200212/31/20101
EP-A  EP FOR WELL #3SOC  6 Years01/01/201112/31/20221monitoring waiver granted 12/27/10
EP-A  EP FOR WELL #3VOLATILE ORGANICS  3 Years01/01/200212/31/20101
EP-A  EP FOR WELL #3VOLATILE ORGANICS  6 Years01/01/201112/31/20221monitoring waiver granted 12/27/10
EP-B  EP FOR WELL #1ARSENIC  3 Years01/01/201412/31/20141

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