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 180 20 incomplete07/08/2025
EP-A  EP for WELL #1 ARSENIC  9 Years 01/01/2026 - 12/31/2034 3,286 1 incomplete10/09/2018
EP-A  EP for WELL #1 IOC notes9 Years 01/01/2020 - 12/31/2028 1,095 1 incomplete10/09/2018
EP-A  EP for WELL #1 NITRATE  Yearly 01/01/2026 - 12/31/2026 364 1 incomplete04/09/2025
EP-A  EP for WELL #1 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,095 1 incomplete10/09/2018
EP-A  EP for WELL #1 SOC  3 Years 01/01/2026 - 12/31/2028 1,095 1 incomplete03/11/2025
EP-A  EP for WELL #1 VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,095 1 incomplete03/11/2025

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More information for this water system: SDWIS ID 998

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