OHA Drinking Water Services
OR41
PWS ID: 00528 ---- MILWAUKIE, 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 LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   30incomplete06/10/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2025 - 12/31/2025 175 2 incomplete10/21/2024
 Seasonal sampling period:  10/01  thru  12/31
EP-A  EP FOR WELLS #2, #3, #5TRICHLOROETHYLENE  Yearly01/01/2025 - 12/31/2025 175 1 done 06/04/2025
EP-A  EP FOR WELLS #2, #3, #5TETRACHLOROETHYLENE  Yearly01/01/2025 - 12/31/2025 175 1 done 06/04/2025
EP-A  EP FOR WELLS #2, #3, #5CIS-1,2-DICHLOROETHYLENE  Yearly01/01/2025 - 12/31/2025 175 1 done 06/04/2025
EP-A  EP FOR WELLS #2, #3, #5 ARSENIC notes9 Years01/01/2017 - 12/31/2025 175 1 done 10/25/2022
EP-A  EP FOR WELLS #2, #3, #5 IOC notes9 Years01/01/2020 - 12/31/2028 1,271 1 done 10/25/2022
EP-A  EP FOR WELLS #2, #3, #5 NITRATE  Yearly 01/01/2025 - 12/31/2025 175 1 incomplete11/26/2024
EP-A  EP FOR WELLS #2, #3, #5 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,271 1 done 10/25/2022
EP-A  EP FOR WELLS #2, #3, #5 RAD - GROSS ALPHA  9 Years01/01/2023 - 12/31/2031 2,366 1 done 05/30/2023
EP-A  EP FOR WELLS #2, #3, #5 RAD - RADIUM 226/228 9 Years01/01/2023 - 12/31/2031 2,366 1 done 05/30/2023
EP-A  EP FOR WELLS #2, #3, #5 RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,366 1 done 05/30/2023
EP-A  EP FOR WELLS #2, #3, #5 SOC notes3 Years 01/01/2023 - 12/31/2025 175 2 incomplete12/07/2022
EP-A  EP FOR WELLS #2, #3, #5 VOLATILE ORGANICS  3 Years01/01/2023 - 12/31/2025 175 1 done 06/04/2025
EP-B  EP FOR WELLS #4 AND #7 ARSENIC notes9 Years 01/01/2017 - 12/31/2025 175 1 incomplete05/27/2015
EP-B  EP FOR WELLS #4 AND #7 IOC notes9 Years 01/01/2020 - 12/31/2028 1,271 1 incomplete05/27/2015
EP-B  EP FOR WELLS #4 AND #7 NITRATE  Yearly 01/01/2025 - 12/31/2025 175 1 incomplete11/26/2024
EP-B  EP FOR WELLS #4 AND #7 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,271 1 incomplete05/27/2015
EP-B  EP FOR WELLS #4 AND #7 RAD - GROSS ALPHA  9 Years 01/01/2017 - 12/31/2025 175 1 incomplete06/14/2016
EP-B  EP FOR WELLS #4 AND #7 RAD - RADIUM 226/228 9 Years 01/01/2017 - 12/31/2025 175 1 incomplete06/14/2016
EP-B  EP FOR WELLS #4 AND #7 RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,366 1 incomplete06/14/2016
EP-B  EP FOR WELLS #4 AND #7 SOC notes3 Years 01/01/2023 - 12/31/2025 175 2 incomplete04/20/2020
EP-B  EP FOR WELLS #4 AND #7 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 175 1 incomplete10/26/2020
EP-C  EP FOR WELL #6 ARSENIC notes9 Years 01/01/2017 - 12/31/2025 175 1 incomplete05/27/2015
EP-C  EP FOR WELL #6 IOC notes9 Years 01/01/2020 - 12/31/2028 1,271 1 incomplete05/27/2015
EP-C  EP FOR WELL #6 NITRATE  Yearly 01/01/2025 - 12/31/2025 175 1 incomplete11/26/2024
EP-C  EP FOR WELL #6 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,271 1 incomplete05/27/2015
EP-C  EP FOR WELL #6 RAD - GROSS ALPHA  9 Years 01/01/2017 - 12/31/2025 175 1 incomplete06/14/2016
EP-C  EP FOR WELL #6 RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,366 1 incomplete06/14/2016
EP-C  EP FOR WELL #6 RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,366 1 incomplete06/14/2016
EP-C  EP FOR WELL #6 SOC notes3 Years 01/01/2023 - 12/31/2025 175 2 incomplete04/20/2020
EP-C  EP FOR WELL #6 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 175 1 incomplete09/23/2020

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