OHA Drinking Water Services
OR41
PWS ID: 00929 ---- RIVERSIDE MOBILE PARK

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 Years01/01/2027 - 12/31/2027   5 06/26/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1incomplete08/14/2023
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP for WELL ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,015 1 done 08/18/2022
EP-A  EP for WELL IOC  9 Years 01/01/2023 - 12/31/2031 2,110 1 incomplete08/18/2022
EP-A  EP for WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 284 1 incomplete09/22/2025
EP-A  EP for WELL NITRITE  9 Years 01/01/2023 - 12/31/2031 2,110 1 incomplete08/18/2022
EP-A  EP for WELL PFAS notes6 Months 01/01/2026 - 06/30/2026 100 1 incomplete12/16/2025
  Initial monitoring - 2 samples only
EP-A  EP for WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,206 1 incomplete08/24/2018
EP-A  EP for WELL RAD - RADIUM 226/228 9 Years 01/01/2023 - 12/31/2031 2,110 1 incomplete08/24/2018
EP-A  EP for WELL RAD - URANIUM  9 Years 01/01/2023 - 12/31/2031 2,110 1 incomplete08/24/2018
EP-A  EP for WELL SOC MINUS SOCR CHEMSnotes9 Years01/01/2023 - 12/31/2031 2,110 1 done 09/22/2025
EP-A  EP for WELL SOCR  3 Years 01/01/2026 - 12/31/2028 1,015 1 incomplete09/22/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,015 1 incomplete09/22/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/200512/31/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20041Sample Between June 1st and Sept 30th Each Year
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/20045Sample Between June 1st and Sept 30th
EP-A  EP for WELLARSENIC  3 Years01/01/200212/31/20101
EP-A  EP for WELLIOC  3 Years01/01/200212/31/20041
EP-A  EP for WELLNITRITE  3 Years01/01/200212/31/20041
EP-A  EP for WELLRAD - RADIUM 226/228  6 Years01/01/200812/31/20131
EP-A  EP for WELLRAD - URANIUM  6 Years01/01/200812/31/20131
EP-A  EP for WELLSOC  3 Years01/01/200212/31/20041

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