OHA Drinking Water Services
OR41
PWS ID: 94894 ---- ARBOR 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 09/15/2025
  Seasonal sampling period:   06/01   thru   09/30
EP-A  EP FOR WELL 1 (CLAC 03197) ARSENIC  9 Years01/01/2023 - 12/31/2031 2,103 1 done 09/15/2025
EP-A  EP FOR WELL 1 (CLAC 03197) IOC notes9 Years 01/01/2026 - 12/31/2034 3,199 1 incomplete09/15/2025
EP-A  EP FOR WELL 1 (CLAC 03197) NITRATE  Yearly 01/01/2026 - 12/31/2026 277 1 incomplete09/15/2025
EP-A  EP FOR WELL 1 (CLAC 03197) NITRITE  9 Years 01/01/2026 - 12/31/2034 3,199 1 incomplete09/15/2025
EP-A  EP FOR WELL 1 (CLAC 03197) PFAS notes6 Months01/01/2026 - 06/30/2026 93 1 done 01/07/2026
  Initial monitoring - 2 samples only
EP-A  EP FOR WELL 1 (CLAC 03197) SOC  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete03/03/2025
EP-A  EP FOR WELL 1 (CLAC 03197) VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,008 1 incomplete09/15/2025

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