OHA Drinking Water Services
OR41
PWS ID: 93994 ---- GREEN DIAMOND RESOURCE CO

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 09/16/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2026 - 12/31/2026   1incomplete08/10/2023
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP for WELL #7 ARSENIC  9 Years01/01/2020 - 12/31/2028 1,016 1 done 08/30/2022
EP-A  EP for WELL #7 IOC notes9 Years 01/01/2020 - 12/31/2028 1,016 1 incomplete08/27/2019
EP-A  EP for WELL #7 NITRATE  Yearly 01/01/2026 - 12/31/2026 285 1 incomplete09/22/2025
EP-A  EP for WELL #7 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,016 1 incomplete08/27/2019
EP-A  EP for WELL #7 PFAS notes6 Months 01/01/2026 - 06/30/2026 101 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL #7 SOC  3 Years 01/01/2026 - 12/31/2028 1,016 1 incomplete12/03/2025
EP-A  EP for WELL #7 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,016 1 incomplete12/03/2025

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