OHA Drinking Water Services
OR41
PWS ID: 00543 ---- MOSIER, CITY OF

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 Years01/01/2025 - 12/31/2025   5incomplete08/08/2021
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2025 - 12/31/2025   1incomplete09/15/2021
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR WELLS #4 ARSENIC  9 Years 01/01/2023 - 12/31/2031 2,526 1 incomplete08/29/2019
EP-A  EP FOR WELLS #4 IOC notes9 Years 01/01/2020 - 12/31/2028 1,431 1 incomplete08/29/2019
EP-A  EP FOR WELLS #4 NITRATE  Yearly 01/01/2025 - 12/31/2025 335 1 incomplete04/09/2024
EP-A  EP FOR WELLS #4 NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,431 1 incomplete08/29/2019
EP-A  EP FOR WELLS #4 RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 335 1 done 09/15/2021
EP-A  EP FOR WELLS #4 RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 335 1 done 09/15/2021
EP-A  EP FOR WELLS #4 RAD - URANIUM  9 Years01/01/2017 - 12/31/2025 335 1 done 09/15/2021
EP-A  EP FOR WELLS #4 SOC  3 Years 01/01/2023 - 12/31/2025 335 1 incomplete05/12/2022
EP-A  EP FOR WELLS #4 VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 335 1 incomplete05/11/2022

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/201112/31/20131Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200712/31/20101Sample between June 1 and Sept. 30.

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More information for this water system: SDWIS ID 3366
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