OHA Drinking Water Services
OR41
PWS ID: 94601 ---- RIVERSIDE RV 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 Years01/01/2026 - 12/31/2026   5incomplete06/12/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2027 - 12/31/2027   1 08/15/2024
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR WELLS ARSENIC  Yearly 01/01/2026 - 12/31/2026 260 1 incomplete05/19/2025
EP-A  EP FOR WELLS IOC  3 Years 01/01/2026 - 12/31/2028 991 1 incomplete02/14/2023
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 260 1 incomplete02/05/2025
EP-A  EP FOR WELLS NITRITE  3 Years 01/01/2026 - 12/31/2028 991 1 incomplete02/14/2023
EP-A  EP FOR WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 76 1 incomplete10/19/2021
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS RAD - GROSS ALPHA  9 Years01/01/2020 - 12/31/2028 991 1 done 01/09/2020
EP-A  EP FOR WELLS RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 991 1 done 01/09/2020
EP-A  EP FOR WELLS RAD - URANIUM  9 Years01/01/2020 - 12/31/2028 991 1 done 01/09/2020
EP-A  EP FOR WELLS SOC  3 Years 01/01/2026 - 12/31/2028 991 1 incomplete10/14/2024
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 991 1 incomplete10/14/2024

8  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/201906/30/202010
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 IDSE  Yearly01/01/201912/31/20212Collect two dual sample sets between June 1 and September 30, one each at a location expected to have high HAA5 and high TTHM.
EP-A  EP FOR WELLSARSENIC  3 Years01/01/201709/30/20191
EP-A  EP FOR WELLSARSENIC  Quarterly10/01/201912/31/20221
EP-A  EP FOR WELLSRAD - GROSS ALPHA  Quarterly01/01/201912/31/20191
EP-A  EP FOR WELLSRAD - RADIUM 226/228  Quarterly01/01/201912/31/20191
EP-A  EP FOR WELLSRAD - URANIUM  Quarterly01/01/201912/31/20191
EP-A  EP FOR WELLSSOC  Yearly01/01/201912/31/20211
EP-A  EP FOR WELLSVOLATILE ORGANICS  Yearly01/01/201912/31/20211

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