OHA Drinking Water Services
OR41
PWS ID: 00270 ---- ECHO, 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 Years01/01/2024 - 12/31/2024   10incomplete08/27/2021
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2024 - 12/31/2024 14 1 incomplete06/06/2023
 Seasonal sampling period:  06/01  thru  06/30
EP-A  EP FOR WELLS ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,475 1 incomplete06/26/2017
EP-A  EP FOR WELLS IOC notes9 Years 01/01/2020 - 12/31/2028 1,475 1 incomplete06/02/2014
EP-A  EP FOR WELLS NITRATE  Yearly 01/01/2024 - 12/31/2024 14 1 incomplete09/27/2023
EP-A  EP FOR WELLS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,475 1 incomplete06/02/2014
EP-A  EP FOR WELLS RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 379 1 done 04/22/2020
EP-A  EP FOR WELLS RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 379 1 done 07/14/2021
EP-A  EP FOR WELLS RAD - URANIUM  9 Years01/01/2017 - 12/31/2025 379 1 done 04/22/2020
EP-A  EP FOR WELLS SOC  3 Years 01/01/2023 - 12/31/2025 379 1 incomplete04/22/2020
EP-A  EP FOR WELLS VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 379 1 incomplete04/22/2020

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  3 Years01/01/201312/31/20131
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200801/01/20081Sample between June 1-Sept 30
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200901/01/20091Sample between June 1-Sept 30
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/201012/31/20121Sample between 6/1 and 9/30
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201412/31/20182Collect dual sample sets every June at 10 W Main & 325 W Buckley.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 IDSE  Quarterly04/01/201312/31/20132Sample in June, Sept, Dec, and March
EP-A  EP FOR WELLSARSENIC  3 Years01/01/200212/31/20191

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More information for this water system: SDWIS ID 3722
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