OHA Drinking Water Services
OR41
PWS ID: 01450 ---- UNITY, 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 Years01/01/2026 - 12/31/2026   5 08/16/2023
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notes3 Years01/01/2027 - 12/31/2027   1  08/21/2024
 Seasonal sampling period:  08/01  thru  08/31
EP-A  EP FOR WELLS ARSENIC  9 Years 01/01/2023 - 12/31/2031 2,526 1 incomplete06/12/2019
EP-A  EP FOR WELLS IOC notes9 Years 01/01/2020 - 12/31/2028 1,431 1 incomplete06/12/2019
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2025 - 12/31/2025 335 1 incomplete12/11/2024
EP-A  EP FOR WELLS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,431 1 incomplete06/12/2019
EP-A  EP FOR WELLS RAD - GROSS ALPHA notes9 Years 01/01/2017 - 12/31/2025 335 1 incomplete04/04/2012
EP-A  EP FOR WELLS RAD - RADIUM 226/228notes9 Years 01/01/2017 - 12/31/2025 335 1 incomplete04/04/2012
EP-A  EP FOR WELLS RAD - URANIUM notes9 Years 01/01/2017 - 12/31/2025 335 1 incomplete04/04/2012
EP-A  EP FOR WELLS SOC  3 Years01/01/2023 - 12/31/2025 335 1 done 01/10/2023
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years01/01/2023 - 12/31/2025 335 1 done 01/10/2023

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMASBESTOS, DIST  9 Years01/01/200812/04/20091New maps made by Shawn S. show this system is not located in a area prone to asbestos. 12/4/09 AB System is located in an area of potential naturally occurring asbestos.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/20195Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 IDSE  Yearly01/01/201812/31/20182collect dual sets of samples in July
EP-A  EP FOR WELLSARSENIC  3 Years01/01/200212/31/20131

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More information for this water system: SDWIS ID 3858
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