OHA Drinking Water Services
OR41
PWS ID: 93668 ---- MADRONA ELEMENTARY

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 Years01/01/2027 - 12/31/2027   5 07/11/2024
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP for WELL ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,528 1 incomplete07/06/2022
EP-A  EP for WELL IOC notes9 Years 01/01/2020 - 12/31/2028 1,433 1 incomplete04/23/2019
EP-A  EP for WELL NITRATE  Yearly 01/01/2025 - 12/31/2025 337 1 incomplete06/11/2024
EP-A  EP for WELL NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,433 1 incomplete04/23/2019
EP-A  EP for WELL SOC  3 Years 01/01/2023 - 12/31/2025 337 1 incomplete07/06/2022
EP-A  EP for WELL VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 337 1 incomplete07/06/2022

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More information for this water system: SDWIS ID 1404
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