OHA Drinking Water Services
OR41
PWS ID: 91712 ---- SEVEN OAK MIDDLE 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  6 Months 01/01/2026 - 06/30/2026 115 20 incomplete07/08/2025
EP-A  EP for WELL #1 ARSENIC  9 Years 01/01/2026 - 12/31/2034 3,221 1 incomplete10/09/2018
EP-A  EP for WELL #1 IOC notes9 Years 01/01/2020 - 12/31/2028 1,030 1 incomplete10/09/2018
EP-A  EP for WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 299 1 incomplete04/09/2025
EP-A  EP for WELL #1 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,030 1 incomplete10/09/2018
EP-A  EP for WELL #1 PFAS notes6 Months 01/01/2026 - 06/30/2026 115 1 incomplete
  Initial monitoring - 2 samples only
EP-A  EP for WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,030 1 incomplete03/11/2025
EP-A  EP for WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,030 1 incomplete03/11/2025

7  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200512/31/20095Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/201012/31/201210sample between June 1 and Sept. 30
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/201506/30/202110
DIST-A  Distribution SystemLEAD & COPPER  6 Months07/01/201306/30/201420
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/20035Sample Between June 1st and Sept 30th
EP-A  EP for WELL #1ARSENIC  3 Years01/01/200212/31/20161

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More information for this water system: SDWIS ID 998
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