OHA Drinking Water Services
OR41
PWS ID: 90889 ---- ANNEX CHARTER 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 09/24/2025
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR WELLDI(2-ETHYLHEXYL) PHTHALATE notesYearly01/01/2026 - 12/31/2026 339 1 incomplete 04/23/2025
EP-A  EP FOR WELL ARSENIC  Yearly 01/01/2026 - 12/31/2026 339 1 incomplete04/23/2025
EP-A  EP FOR WELL IOC  9 Years 01/01/2026 - 12/31/2034 3,261 1 incomplete04/23/2025
EP-A  EP FOR WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 339 1 incomplete04/23/2025
EP-A  EP FOR WELL NITRITE  9 Years 01/01/2026 - 12/31/2034 3,261 1 incomplete03/16/2022
EP-A  EP FOR WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,070 1 incomplete09/11/2024
EP-A  EP FOR WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,070 1 incomplete04/23/2025

6  secs
Show Expired



More information for this water system: SDWIS ID 2560

Information for all water systems:

Main menu:
Need help? Email Drinking Water Services for assistance.Staff/Partner Login