OHA Drinking Water Services
OR41
PWS ID: 01514 ---- TWIN CEDARS MHP

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   5incomplete09/16/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL (L66704) ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,195 1 incomplete12/12/2022
EP-A  EP FOR WELL (L66704) IOC notes9 Years 01/01/2023 - 12/31/2031 2,099 1 incomplete12/12/2022
EP-A  EP FOR WELL (L66704) NITRATE  Yearly 01/01/2026 - 12/31/2026 273 1 incomplete11/13/2025
EP-A  EP FOR WELL (L66704) NITRITE notes9 Years 01/01/2023 - 12/31/2031 2,099 1 incomplete12/12/2022
EP-A  EP FOR WELL (L66704) PFAS notes6 Months 01/01/2026 - 06/30/2026 89 1 incomplete04/26/2023
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL (L66704) RAD - GROSS ALPHA notes9 Years 01/01/2020 - 12/31/2028 1,004 1 incomplete05/29/2019
EP-A  EP FOR WELL (L66704) RAD - RADIUM 226/228notes9 Years 01/01/2020 - 12/31/2028 1,004 1 incomplete06/25/2019
EP-A  EP FOR WELL (L66704) RAD - URANIUM notes9 Years 01/01/2020 - 12/31/2028 1,004 1 incomplete05/29/2019
EP-A  EP FOR WELL (L66704) SOC  3 Years 01/01/2026 - 12/31/2028 1,004 1 incomplete03/26/2025
EP-A  EP FOR WELL (L66704) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,004 1 incomplete03/26/2025

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