OHA Drinking Water Services
OR41
PWS ID: 00549 ---- TRI-CITY JW&SA

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-A TOC & ALKALINITY notesQuarterly04/01/2025 - 06/30/2025 41 1 done 04/03/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,321 1 done 02/11/2020
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   20incomplete09/07/2022
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2025 - 12/31/2025 225 1 incomplete11/04/2024
 Seasonal sampling period:  05/01  thru  05/31
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2025 - 12/31/2025 225 1 incomplete11/04/2024
 Seasonal sampling period:  11/01  thru  11/30
EP-A  EP FOR SOUTH UMPQUADICHLOROMETHANE Quarterly07/01/2025 -   1 future 05/05/2025
EP-A  EP FOR SOUTH UMPQUABROMATE notesMonthly05/01/2025 - 05/31/2025 11 1 incomplete 04/03/2025
 Seasonal sampling period:  04/01  thru  11/30
EP-A  EP FOR SOUTH UMPQUA ARSENIC  9 Years01/01/2020 - 12/31/2028 1,321 1 done 01/30/2020
EP-A  EP FOR SOUTH UMPQUA IOC notes9 Years01/01/2020 - 12/31/2028 1,321 1 done 01/30/2020
EP-A  EP FOR SOUTH UMPQUA NITRATE  Yearly01/01/2025 - 12/31/2025 225 1 done 01/09/2025
EP-A  EP FOR SOUTH UMPQUA NITRITE notes9 Years01/01/2020 - 12/31/2028 1,321 1 done 01/30/2020
EP-A  EP FOR SOUTH UMPQUA RAD - GROSS ALPHA  9 Years01/01/2017 - 12/31/2025 225 1 done 02/09/2017
EP-A  EP FOR SOUTH UMPQUA RAD - RADIUM 226/228 9 Years01/01/2017 - 12/31/2025 225 1 done 02/09/2017
EP-A  EP FOR SOUTH UMPQUA RAD - URANIUM  9 Years01/01/2023 - 12/31/2031 2,416 1 done 10/03/2023
EP-A  EP FOR SOUTH UMPQUA SOC notes3 Years01/01/2023 - 12/31/2025 225 2 done 10/05/2023
EP-A  EP FOR SOUTH UMPQUA VOLATILE ORGANICS  Yearly01/01/2025 - 12/31/2025 225 1 done 05/05/2025
SRC-AA  SOUTH UMPQUA RIVER CYANOTOXINS  2 Weeks 05/18/2025 - 05/31/2025 11 1 incomplete05/12/2025
 Seasonal sampling period:  05/01  thru  10/31
WTP-A  TP FOR SOUTH UMPQUATOTAL ORGANIC CARBON Quarterly04/01/2025 - 06/30/2025 41 1 done 04/03/2025

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