OHA Drinking Water Services
OR41
PWS ID: 00957 ---- WINSTON-DILLARD WATER DISTRICT

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 ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 1,095 1 incomplete03/19/2019
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   20 06/05/2024
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 89 2 incomplete10/14/2025
EP-A  EP FOR SOUTH UMPQUA RIVER ARSENIC notes9 Years01/01/2020 - 12/31/2028 1,095 1 done 05/02/2023
EP-A  EP FOR SOUTH UMPQUA RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,095 1 done 05/02/2023
EP-A  EP FOR SOUTH UMPQUA RIVER NITRATE  Yearly 01/01/2026 - 12/31/2026 364 1 incomplete04/17/2025
EP-A  EP FOR SOUTH UMPQUA RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,095 1 done 05/02/2023
EP-A  EP FOR SOUTH UMPQUA RIVER RAD - GROSS ALPHA notes9 Years 01/01/2026 - 12/31/2034 3,286 1 incomplete03/19/2019
EP-A  EP FOR SOUTH UMPQUA RIVER RAD - RADIUM 226/228notes9 Years01/01/2020 - 12/31/2028 1,095 1 done 04/19/2022
EP-A  EP FOR SOUTH UMPQUA RIVER RAD - URANIUM notes9 Years 01/01/2020 - 12/31/2028 1,095 1 incomplete03/19/2019
EP-A  EP FOR SOUTH UMPQUA RIVER SOC notes3 Years 01/01/2026 - 12/31/2028 1,095 2 incomplete04/03/2024
EP-A  EP FOR SOUTH UMPQUA RIVER VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 364 1 incomplete04/17/2025
SRC-AA  SOUTH UMPQUA RIVER CYANOTOXINS  2 Weeks-- -- -- -- --10/20/2025
 Seasonal sampling period:  05/01  thru  10/31

6  secs
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Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ATOC & ALKALINITY  Monthly01/01/200408/30/20121Raw and filtered TOC and alkalinity
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200409/30/20131Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  3 Years01/01/200212/31/201220Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/201312/31/201340Collect 40 samples between 01/01/13 and 06/30/13.
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201412/31/201720Sample Between June 1st and Sept 30th
EP-A  EP FOR SOUTH UMPQUA RIVERARSENIC  Yearly01/01/200212/31/20101
WTP-A  TP FOR SOUTH UMPQUA RIVERTOTAL ORGANIC CARBON  Monthly01/01/200408/30/20121Post Filtration TOC

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More information for this water system: SDWIS ID 4306
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