OHA Drinking Water Services
OR41
PWS ID: 93426 ---- UNION PACIFIC RR-HINKLE YARD

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 Years01/01/2028 - 12/31/2028   5 08/13/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 08/26/2025
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR WELLS 1 & 2 ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,009 1 done 06/07/2022
EP-A  EP FOR WELLS 1 & 2 IOC notes9 Years01/01/2020 - 12/31/2028 1,009 1 done 06/07/2022
EP-A  EP FOR WELLS 1 & 2 NITRATE  Yearly 01/01/2026 - 12/31/2026 278 1 incomplete08/13/2025
EP-A  EP FOR WELLS 1 & 2 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,009 1 done 06/07/2022
EP-A  EP FOR WELLS 1 & 2 PFAS notes6 Months 01/01/2026 - 06/30/2026 94 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS 1 & 2 SOC  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete05/06/2025
EP-A  EP FOR WELLS 1 & 2 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,009 1 incomplete05/12/2025

6  secs
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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/200812/31/20131monitoring reduction granted Collect between 6/1-9/30
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20071Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200509/30/20195Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/20045Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  3 Years01/01/201609/30/20191Sample in August
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201412/31/20151Sample in August
EP-A  EP FOR WELLS 1 & 2ARSENIC  3 Years01/01/200212/31/20141
EP-A  EP FOR WELLS 1 & 2ARSENIC  9 Years01/01/201709/30/20191Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELLS 1 & 2IOC  9 Years01/01/200209/30/20191Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELLS 1 & 2NITRITE  9 Years01/01/200209/30/20191Schedule Reflects Monitoring Reduction Granted
EP-A  EP FOR WELLS 1 & 2SOC  3 Years01/01/200209/30/20191
EP-A  EP FOR WELLS 1 & 2VOLATILE ORGANICS  3 Years01/01/200209/30/20191

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