OHA Drinking Water Services
OR41
PWS ID: 00203 ---- COLUMBIA CITY MUN WATERWORKS

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 DBP2 HAA5 ONLY notesYearly 01/01/2025 - 12/31/2025 334 1 incomplete05/23/2024
 Seasonal sampling period:  05/01  thru  05/31
DIST-A  DISTRIBUTION SYSTEM DBP2 TTHM ONLY notesYearly 01/01/2025 - 12/31/2025 334 1 incomplete05/23/2024
 Seasonal sampling period:  05/01  thru  05/31
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   10 09/18/2024
 Seasonal sampling period:  06/01  thru  09/30
EP-C  EP FOR WELL #2 AND WELL #1 ARSENIC notes9 Years 01/01/2023 - 12/31/2031 2,525 1 incomplete10/27/2022
EP-C  EP FOR WELL #2 AND WELL #1 IOC notes9 Years 01/01/2023 - 12/31/2031 2,525 1 incomplete09/29/2022
EP-C  EP FOR WELL #2 AND WELL #1 NITRATE  Yearly 01/01/2025 - 12/31/2025 334 1 incomplete09/24/2024
EP-C  EP FOR WELL #2 AND WELL #1 NITRITE notes9 Years 01/01/2023 - 12/31/2031 2,525 1 incomplete10/27/2022
EP-C  EP FOR WELL #2 AND WELL #1 RAD - GROSS ALPHA  9 Years 01/01/2023 - 12/31/2031 2,525 1 incomplete10/27/2022
EP-C  EP FOR WELL #2 AND WELL #1 RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,525 1 incomplete10/27/2022
EP-C  EP FOR WELL #2 AND WELL #1 RAD - URANIUM notes9 Years 01/01/2023 - 12/31/2031 2,525 1 incomplete10/27/2022
EP-C  EP FOR WELL #2 AND WELL #1 SOC  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete11/09/2022
EP-C  EP FOR WELL #2 AND WELL #1 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 334 1 incomplete09/29/2022

7  secs
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More information for this water system: SDWIS ID 4031
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