OHA Drinking Water Services
OR41
PWS ID: 00812 ---- DELPHIAN SCHOOL

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 09/12/2025
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  Distribution System STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 273 1 incomplete09/12/2025
  Seasonal sampling period:   09/01   thru   09/30
EP-A  EP FOR WELLS #2,3,14,17 & 20 ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,195 1 incomplete07/23/2020
EP-A  EP FOR WELLS #2,3,14,17 & 20 IOC notes9 Years01/01/2020 - 12/31/2028 1,004 1 done 07/23/2020
EP-A  EP FOR WELLS #2,3,14,17 & 20 NITRATE  Yearly 01/01/2026 - 12/31/2026 273 1 incomplete12/10/2025
EP-A  EP FOR WELLS #2,3,14,17 & 20 NITRITE notes9 Years01/01/2020 - 12/31/2028 1,004 1 done 07/23/2020
EP-A  EP FOR WELLS #2,3,14,17 & 20 PFAS notes6 Months 01/01/2026 - 06/30/2026 89 1 incomplete11/19/2025
  Initial monitoring - 2 samples only
EP-A  EP FOR WELLS #2,3,14,17 & 20 RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,195 1 incomplete09/20/2023
EP-A  EP FOR WELLS #2,3,14,17 & 20 RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,195 1 incomplete09/20/2023
EP-A  EP FOR WELLS #2,3,14,17 & 20 RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,195 1 incomplete09/20/2023
EP-A  EP FOR WELLS #2,3,14,17 & 20 SOC  3 Years 01/01/2026 - 12/31/2028 1,004 1 incomplete12/10/2025
EP-A  EP FOR WELLS #2,3,14,17 & 20 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,004 1 incomplete12/10/2025

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