OHA Drinking Water Services
OR41
PWS ID: 00069 ---- SUNSET WATER SYSTEM INC

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   5incomplete06/05/2023
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP for WELL ARSENIC  9 Years 01/01/2026 - 12/31/2034 3,200 1 incomplete11/05/2019
EP-A  EP for WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,009 1 incomplete11/05/2019
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 278 1 incomplete09/17/2025
EP-A  EP for WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,009 1 incomplete11/05/2019
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 94 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,104 1 incomplete02/05/2020
EP-A  EP for WELL RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 1,009 1 done 02/05/2020
EP-A  EP for WELL RAD - URANIUM notes9 Years 01/01/2026 - 12/31/2034 3,200 1 incomplete02/05/2020
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete09/17/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete09/17/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
EP-A  EP for WELL2,4-D AND GLYPHOSATE  3 Years01/01/200212/31/200412,4-D and Glyphosate Only.
EP-A  EP for WELLARSENIC  3 Years01/01/200212/31/20161
EP-A  EP for WELLRAD - GROSS ALPHA  6 Years01/01/202012/31/20211
EP-A  EP for WELLRAD - GROSS ALPHA  9 Years01/01/200812/31/20191Schedule Reflects Monitoring Reduction Granted
EP-A  EP for WELLRAD - RADIUM 226/228  6 Years01/01/200812/31/20191
EP-A  EP for WELLSOC MINUS SOCR CHEMS  9 Years01/01/200212/31/20101Schedule is for all regulated SOC except 2,4-D, Glyphosate, and Benzo (A) Pyrene.

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