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
Show Expired