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 Years01/01/2025 - 12/31/2025   5incomplete06/15/2021
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2025 - 12/31/2025 227 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 1,323 1 incomplete12/17/2019
EP-A  EP FOR SPRINGS IOC notes9 Years 01/01/2020 - 12/31/2028 1,323 1 incomplete12/17/2019
EP-A  EP FOR SPRINGS NITRATE  Yearly 01/01/2025 - 12/31/2025 227 1 incomplete12/20/2024
EP-A  EP FOR SPRINGS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,323 1 incomplete12/17/2019
EP-A  EP FOR SPRINGS RAD - GROSS ALPHA notes9 Years 01/01/2017 - 12/31/2025 227 1 incomplete07/23/2013
EP-A  EP FOR SPRINGS RAD - RADIUM 226/228notes9 Years 01/01/2017 - 12/31/2025 227 1 incomplete07/23/2013
EP-A  EP FOR SPRINGS RAD - URANIUM notes9 Years 01/01/2017 - 12/31/2025 227 1 incomplete07/23/2013
EP-A  EP FOR SPRINGS SOC  3 Years 01/01/2023 - 12/31/2025 227 1 incomplete12/17/2019
EP-A  EP FOR SPRINGS VOLATILE ORGANICS  3 Years 01/01/2023 - 12/31/2025 227 1 incomplete12/17/2019

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More information for this water system: SDWIS ID 3477
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