OHA Drinking Water Services
OR41
PWS ID: 00937 ---- WELCHES WATER COMPANY

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   5incomplete06/15/2021
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2024 - 12/31/2024 168 2 incomplete09/28/2023
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR SPRINGS ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,629 1 incomplete12/17/2019
EP-A  EP FOR SPRINGS IOC notes9 Years 01/01/2020 - 12/31/2028 1,629 1 incomplete12/17/2019
EP-A  EP FOR SPRINGS NITRATE  Yearly 01/01/2024 - 12/31/2024 168 1 incomplete02/27/2023
EP-A  EP FOR SPRINGS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,629 1 incomplete12/17/2019
EP-A  EP FOR SPRINGS RAD - GROSS ALPHA notes9 Years 01/01/2017 - 12/31/2025 533 1 incomplete07/23/2013
EP-A  EP FOR SPRINGS RAD - RADIUM 226/228notes9 Years 01/01/2017 - 12/31/2025 533 1 incomplete07/23/2013
EP-A  EP FOR SPRINGS RAD - URANIUM notes9 Years 01/01/2017 - 12/31/2025 533 1 incomplete07/23/2013
EP-A  EP FOR SPRINGS SOC  3 Years 01/01/2023 - 12/31/2025 533 1 incomplete12/17/2019
EP-A  EP FOR SPRINGS VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 533 1 incomplete12/17/2019

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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/20165Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/201712/31/20205
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/202012/30/20202IDSE schedule. Collect two dual sample sets between June 1 and September 30. One sample must be collected near the entry point and the other near the point of maximum residence time.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 IDSE  Yearly01/01/201712/31/20182Collect two dual sample sets between June 1 and September 30 in 2017. One sample must be collected near the entry point and the other near the point of maximum residence time.
EP-A  EP FOR SPRINGSARSENIC  3 Years01/01/200212/31/20101

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More information for this water system: SDWIS ID 3477
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