OHA Drinking Water Services
OR41
PWS ID: 00719 ---- UMPQUA BASIN WATER ASSOC

See also: Coliform Schedules  ::  LT2 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
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON Quarterly10/01/2025 - 12/31/2025 62 1 incomplete 07/14/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,158 1 done 06/22/2022
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notesYearly01/01/2025 - 12/31/2025 62 20 done 08/08/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2025 - 12/31/2025 62 2 incomplete11/04/2024
 Seasonal sampling period:  11/01  thru  11/30
EP-A  EP FOR NORTH UMPQUA ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,158 1 incomplete08/07/2019
EP-A  EP FOR NORTH UMPQUA IOC notes9 Years 01/01/2020 - 12/31/2028 1,158 1 incomplete08/07/2019
EP-A  EP FOR NORTH UMPQUA NITRATE  Yearly01/01/2025 - 12/31/2025 62 1 done 06/02/2025
EP-A  EP FOR NORTH UMPQUA NITRITE notes9 Years01/01/2020 - 12/31/2028 1,158 1 done 06/22/2022
EP-A  EP FOR NORTH UMPQUA RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 62 1 done 06/21/2018
EP-A  EP FOR NORTH UMPQUA RAD - RADIUM 226/228notes9 Years 01/01/2023 - 12/31/2031 2,253 1 incomplete06/21/2018
EP-A  EP FOR NORTH UMPQUA RAD - URANIUM  9 Years01/01/2017 - 12/31/2025 62 1 done 06/21/2018
EP-A  EP FOR NORTH UMPQUA SOC notes3 Years 01/01/2023 - 12/31/2025 62 2 incomplete06/17/2025
EP-A  EP FOR NORTH UMPQUA VOLATILE ORGANICS  Yearly 01/01/2025 - 12/31/2025 62 1 incomplete07/02/2024
SRC-AA  NORTH UMPQUA RIVER CYANOTOXINS  2 Weeks 10/19/2025 - 11/01/2025 2 1 incomplete10/13/2025
 Seasonal sampling period:  05/01  thru  10/31

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More information for this water system: SDWIS ID 3904

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