OHA Drinking Water Services
OR41
PWS ID: 00605 ---- HILAND WC - ECHO MOUNTAIN

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   5incomplete09/05/2023
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 274 2 incomplete08/26/2025
  Seasonal sampling period:   08/01   thru   08/30
EP-A  EP FOR WELLS ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,196 1 incomplete04/23/2024
EP-A  EP FOR WELLS IOC notes9 Years 01/01/2026 - 12/31/2034 3,196 1 incomplete04/23/2024
EP-A  EP FOR WELLS NITRATE  Yearly01/01/2026 - 12/31/2026 274 1 done 01/20/2026
EP-A  EP FOR WELLS NITRITE notes9 Years 01/01/2026 - 12/31/2034 3,196 1 incomplete04/23/2024
EP-A  EP FOR WELLS PFAS notes6 Months 01/01/2026 - 06/30/2026 90 1 incomplete11/18/2025
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS RAD - GROSS ALPHA  6 Years01/01/2023 - 12/31/2028 1,005 1 done 04/23/2024
EP-A  EP FOR WELLS RAD - RADIUM 226/228 9 Years01/01/2023 - 12/31/2031 2,100 1 done 04/23/2024
EP-A  EP FOR WELLS RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,100 1 incomplete04/23/2024
EP-A  EP FOR WELLS SOC  3 Years 01/01/2026 - 12/31/2028 1,005 1 incomplete04/02/2024
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,005 1 incomplete04/23/2024

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