OHA Drinking Water Services
OR41
PWS ID: 01021 ---- CIRCLE TREE MOBILE PARK/RANCH

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 Years01/01/2026 - 12/31/2026   5incomplete08/01/2023
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL #1 ARSENIC notes9 Years 01/01/2020 - 12/31/2028 984 1 incomplete08/19/2019
EP-A  EP FOR WELL #1 IOC notes9 Years 01/01/2020 - 12/31/2028 984 1 incomplete08/19/2019
EP-A  EP FOR WELL #1 NITRATE  Yearly01/01/2026 - 12/31/2026 253 1 done 01/02/2026
EP-A  EP FOR WELL #1 NITRITE  9 Years 01/01/2020 - 12/31/2028 984 1 incomplete08/19/2019
EP-A  EP FOR WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 69 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL #1 RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,079 1 incomplete08/19/2019
EP-A  EP FOR WELL #1 RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,079 1 incomplete08/19/2019
EP-A  EP FOR WELL #1 RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,079 1 incomplete08/19/2019
EP-A  EP FOR WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 984 1 incomplete09/02/2025
EP-A  EP FOR WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 984 1 incomplete09/02/2025
EP-B  EP FOR WELL #2 ARSENIC notes9 Years 01/01/2020 - 12/31/2028 984 1 incomplete08/19/2019
EP-B  EP FOR WELL #2 IOC notes9 Years 01/01/2020 - 12/31/2028 984 1 incomplete08/19/2019
EP-B  EP FOR WELL #2 NITRATE  Yearly01/01/2026 - 12/31/2026 253 1 done 01/02/2026
EP-B  EP FOR WELL #2 NITRITE  9 Years 01/01/2020 - 12/31/2028 984 1 incomplete08/19/2019
EP-B  EP FOR WELL #2 PFAS notes6 Months 01/01/2026 - 06/30/2026 69 1 incomplete
  Initial monitoring - 2 samples only
EP-B  EP FOR WELL #2 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,175 1 incomplete08/04/2025
EP-B  EP FOR WELL #2 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,175 1 incomplete08/04/2025
EP-B  EP FOR WELL #2 RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,079 1 incomplete08/04/2025
EP-B  EP FOR WELL #2 SOC  3 Years 01/01/2026 - 12/31/2028 984 1 incomplete08/04/2025
EP-B  EP FOR WELL #2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 984 1 incomplete08/04/2025

6  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
EP-A  EP FOR WELL #1ARSENIC  3 Years01/01/200212/31/20081
EP-A  EP FOR WELL #1IOC  3 Years01/01/200212/31/20071
EP-A  EP FOR WELL #1RAD - GROSS ALPHA  6 Years01/01/200812/31/20221
EP-A  EP FOR WELL #1RAD - RADIUM 226/228  6 Years01/01/200812/31/20221
EP-A  EP FOR WELL #1RAD - URANIUM  6 Years01/01/200812/31/20221
EP-B  EP FOR WELL #2ARSENIC  3 Years01/01/200212/31/20101
EP-B  EP FOR WELL #2DICHLOROMETHANE  Quarterly10/01/201909/30/20201
EP-B  EP FOR WELL #2DICHLOROMETHANE  Yearly01/01/202112/31/20231
EP-B  EP FOR WELL #2IOC  3 Years01/01/200212/31/20101
EP-B  EP FOR WELL #2NITRITE  3 Years01/01/200212/31/20101
EP-B  EP FOR WELL #2VOLATILE ORGANICS  3 Years01/01/200212/31/20251

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