OHA Drinking Water Services
OR41
PWS ID: 00193 ---- TERRACE MOBILE PLAZA

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 07/08/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notes3 Years01/01/2027 - 12/31/2027   1 09/10/2024
  Seasonal sampling period:   09/01   thru   09/30
EP-B  EP FOR WELL #3 ARSENIC notes9 Years01/01/2023 - 12/31/2031 2,100 1 done 03/25/2025
EP-B  EP FOR WELL #3 IOC notes9 Years01/01/2020 - 12/31/2028 1,005 1 done 03/25/2025
EP-B  EP FOR WELL #3 NITRATE  Yearly01/01/2026 - 12/31/2026 274 1 done 01/23/2026
EP-B  EP FOR WELL #3 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,005 1 done 03/25/2025
EP-B  EP FOR WELL #3 PFAS notes6 Months 01/01/2026 - 06/30/2026 90 1 incomplete10/16/2025
  Initial monitoring - 2 samples only
EP-B  EP FOR WELL #3 RAD - GROSS ALPHA  6 Years 01/01/2026 - 12/31/2031 2,100 1 incomplete03/25/2025
EP-B  EP FOR WELL #3 RAD - RADIUM 226/228 6 Years 01/01/2026 - 12/31/2031 2,100 1 incomplete03/25/2025
EP-B  EP FOR WELL #3 RAD - URANIUM  6 Years 01/01/2026 - 12/31/2031 2,100 1 incomplete03/25/2025
EP-B  EP FOR WELL #3 SOC  3 Years 01/01/2026 - 12/31/2028 1,005 1 incomplete03/25/2025
EP-B  EP FOR WELL #3 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,005 1 incomplete03/25/2025

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