OHA Drinking Water Services
OR41
PWS ID: 00842 ---- STANFIELD, 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  9 Years 01/01/2020 - 12/31/2028 996 1 incomplete09/07/2012
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   10 09/17/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 265 1 incomplete09/10/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR WELL #3 ARSENIC notes9 Years 01/01/2020 - 12/31/2028 996 1 incomplete09/17/2019
EP-A  EP FOR WELL #3 IOC notes9 Years 01/01/2020 - 12/31/2028 996 1 incomplete09/17/2019
EP-A  EP FOR WELL #3 NITRATE  Yearly 01/01/2026 - 12/31/2026 265 1 incomplete10/20/2025
EP-A  EP FOR WELL #3 NITRITE notes9 Years 01/01/2020 - 12/31/2028 996 1 incomplete09/17/2019
EP-A  EP FOR WELL #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 81 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #3 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,187 1 incomplete09/05/2012
EP-A  EP FOR WELL #3 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,187 1 incomplete09/05/2012
EP-A  EP FOR WELL #3 RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,187 1 incomplete09/23/2014
EP-A  EP FOR WELL #3 SOC  3 Years 01/01/2026 - 12/31/2028 996 1 incomplete10/20/2025
EP-A  EP FOR WELL #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 996 1 incomplete10/20/2025
EP-B  EP FOR WELL #4 ARSENIC notes9 Years 01/01/2020 - 12/31/2028 996 1 incomplete10/07/2019
EP-B  EP FOR WELL #4 IOC notes9 Years 01/01/2020 - 12/31/2028 996 1 incomplete10/07/2019
EP-B  EP FOR WELL #4 NITRATE  Yearly 01/01/2026 - 12/31/2026 265 1 incomplete10/29/2025
EP-B  EP FOR WELL #4 NITRITE notes9 Years 01/01/2020 - 12/31/2028 996 1 incomplete10/21/2019
EP-B  EP FOR WELL #4 PFAS notes6 Months 01/01/2026 - 06/30/2026 81 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR WELL #4 RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,091 1 incomplete11/15/2022
EP-B  EP FOR WELL #4 RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,091 1 incomplete11/14/2018
EP-B  EP FOR WELL #4 RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,187 1 incomplete10/29/2025
EP-B  EP FOR WELL #4 SOC  3 Years 01/01/2026 - 12/31/2028 996 1 incomplete10/29/2025
EP-B  EP FOR WELL #4 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 996 1 incomplete10/29/2025
EP-C  EP FOR WELLS #5 AND #6 (PILOT) ARSENIC  9 Years01/01/2020 - 12/31/2028 996 1 done 10/30/2025
EP-C  EP FOR WELLS #5 AND #6 (PILOT) IOC  3 Years 01/01/2026 - 12/31/2028 996 1 incomplete10/30/2025
EP-C  EP FOR WELLS #5 AND #6 (PILOT) NITRATE  Yearly 01/01/2026 - 12/31/2026 265 1 incomplete10/30/2025
EP-C  EP FOR WELLS #5 AND #6 (PILOT) NITRITE  3 Years 01/01/2026 - 12/31/2028 996 1 incomplete10/30/2025
EP-C  EP FOR WELLS #5 AND #6 (PILOT) PFAS notes6 Months 01/01/2026 - 06/30/2026 81 1 incomplete
  Initial monitoring - 2 samples only
EP-C  EP FOR WELLS #5 AND #6 (PILOT) RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,187 1 incomplete09/23/2014
EP-C  EP FOR WELLS #5 AND #6 (PILOT) RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,187 1 incomplete09/23/2014
EP-C  EP FOR WELLS #5 AND #6 (PILOT) RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,187 1 incomplete09/23/2014
EP-C  EP FOR WELLS #5 AND #6 (PILOT) SOC  3 Years 01/01/2026 - 12/31/2028 996 1 incomplete10/30/2025
EP-C  EP FOR WELLS #5 AND #6 (PILOT) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 996 1 incomplete10/30/2025

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