OHA Drinking Water Services
OR41
PWS ID: 01233 ---- DEER ISLAND WATERWORKS

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  6 Months 01/01/2026 - 06/30/2026 61 5 incomplete09/30/2024
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2028 - 12/31/2028   1 08/28/2025
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP for WELL ARSENIC notes9 Years 01/01/2020 - 12/31/2028 976 1 incomplete10/07/2019
EP-A  EP for WELL IOC notes9 Years 01/01/2020 - 12/31/2028 976 1 incomplete10/07/2019
EP-A  EP for WELL NITRATE notesYearly01/01/2026 - 12/31/2026 245 1 done 01/19/2026
EP-A  EP for WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 976 1 incomplete10/07/2019
EP-A  EP for WELL PFAS notes6 Months01/01/2026 - 06/30/2026 61 1 done 01/07/2026
  Initial monitoring - 2 samples only
EP-A  EP for WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,167 1 incomplete01/13/2025
EP-A  EP for WELL RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,167 1 incomplete01/13/2025
EP-A  EP for WELL RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,167 1 incomplete01/13/2025
EP-A  EP for WELL SOC  3 Years 01/01/2026 - 12/31/2028 976 1 incomplete06/25/2025
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 976 1 incomplete01/13/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200412/31/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200812/31/20235
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/200206/30/20025
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200312/31/20055Sample Between June 1st and Sept 30th
EP-A  EP for WELLARSENIC  3 Years01/01/200204/17/20091
EP-A  EP for WELLNITRATE  Quarterly01/01/200212/31/20061

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