OHA Drinking Water Services
OR41
PWS ID: 06118 ---- COLUMBIA HILLS HOA

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 Months07/01/2024 - 12/31/2024 18 5 done 08/01/2024
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly01/01/2024 - 12/31/2024 18 1 done 09/23/2024
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR WELLS ARSENIC  3 Years 01/01/2023 - 12/31/2025 383 1 incomplete10/29/2019
EP-A  EP FOR WELLS IOC  3 Years 01/01/2023 - 12/31/2025 383 1 incomplete10/29/2019
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2024 - 12/31/2024 18 1 incomplete10/11/2023
EP-A  EP FOR WELLS NITRITE  3 Years 01/01/2023 - 12/31/2025 383 1 incomplete10/29/2019
EP-A  EP FOR WELLS RAD - GROSS ALPHA  Quarterly 10/01/2024 - 12/31/2024 18 1 incomplete07/28/2024
EP-A  EP FOR WELLS RAD - RADIUM 226/228 Quarterly 10/01/2024 - 12/31/2024 18 1 incomplete07/28/2024
EP-A  EP FOR WELLS RAD - URANIUM  Quarterly 10/01/2024 - 12/31/2024 18 1 incomplete07/28/2024
EP-A  EP FOR WELLS SOC  3 Years 01/01/2023 - 12/31/2025 383 1 incomplete12/06/2022
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years01/01/2023 - 12/31/2025 383 1 done 07/28/2023

9  secs
Show Expired


More information for this water system: SDWIS ID 4836
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