OHA Drinking Water Services
OR41
PWS ID: 00971 ---- CAVE JUNCTION, CITY OF

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 Quarterly01/01/2026 - 03/31/2026 88 1 incomplete 08/05/2025
DIST-A  Distribution System ASBESTOS, DIST notes9 Years 01/01/2020 - 12/31/2028 1,094 1 incomplete08/08/2013
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2028 - 12/31/2028   10 08/29/2025
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  Distribution System STAGE 2 DBP notesQuarterly 01/01/2026 - 03/31/2026 88 1 incomplete08/05/2025
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLS ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,094 1 incomplete08/08/2013
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLS IOC notes9 Years 01/01/2020 - 12/31/2028 1,094 1 incomplete08/08/2013
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLS NITRATE  Yearly 01/01/2026 - 12/31/2026 363 1 incomplete08/13/2025
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLS NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,094 1 incomplete08/08/2013
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLS RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,285 1 incomplete08/24/2021
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLS RAD - RADIUM 226/228 9 Years01/01/2020 - 12/31/2028 1,094 1 done 08/24/2021
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLS RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,094 1 incomplete08/02/2016
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLS SOC  3 Years 01/01/2026 - 12/31/2028 1,094 1 incomplete08/13/2025
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLS VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 363 1 incomplete09/02/2025
EP-B  EP FOR DAISY HILL WELL ARSENIC  9 Years01/01/2020 - 12/31/2028 1,094 1 done 08/24/2021
EP-B  EP FOR DAISY HILL WELL IOC notes9 Years01/01/2020 - 12/31/2028 1,094 1 done 08/24/2021
EP-B  EP FOR DAISY HILL WELL NITRATE  Yearly 01/01/2026 - 12/31/2026 363 1 incomplete08/13/2025
EP-B  EP FOR DAISY HILL WELL NITRITE notes9 Years01/01/2020 - 12/31/2028 1,094 1 done 08/24/2021
EP-B  EP FOR DAISY HILL WELL RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,285 1 incomplete08/24/2021
EP-B  EP FOR DAISY HILL WELL RAD - RADIUM 226/228 9 Years 01/01/2026 - 12/31/2034 3,285 1 incomplete08/24/2021
EP-B  EP FOR DAISY HILL WELL RAD - URANIUM  9 Years 01/01/2020 - 12/31/2028 1,094 1 incomplete08/20/2019
EP-B  EP FOR DAISY HILL WELL SOC  3 Years 01/01/2026 - 12/31/2028 1,094 1 incomplete08/13/2025
EP-B  EP FOR DAISY HILL WELL VOLATILE ORGANICS  3 Years 01/01/2026 - 12/31/2028 1,094 1 incomplete09/02/2025

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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  Monthly01/01/200409/30/20041Raw and filtered TOC and alkalinity
DIST-A  Distribution SystemHAA5 & TTHM  Quarterly01/01/200412/31/20052Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/200609/30/20132Sample between June 1 and Sept. 30.
DIST-A  Distribution SystemLEAD & COPPER  Yearly01/01/200212/31/200310Sample Between June 1st and Sept 30th
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLSARSENIC  Yearly01/01/200212/31/20081
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLSRAD - RADIUM 226/228  9 Years01/01/200806/30/20181
EP-A  EP FOR ILLINOIS RIVER & ROCKY DALE WELLSRAD - URANIUM  6 Years01/01/200812/31/20191
EP-B  EP FOR DAISY HILL WELLARSENIC  3 Years01/01/200212/31/20081
EP-B  EP FOR DAISY HILL WELLRAD - URANIUM  6 Years01/01/200812/31/20191
WTP-A  TP FOR ILLINOIS RIVER (EAST FORK)TOTAL ORGANIC CARBON  Monthly01/01/200409/30/20041
WTP-A  TP FOR ILLINOIS RIVER (EAST FORK)TOTAL ORGANIC CARBON  Quarterly10/01/200409/30/20131Schedule reflects monitoring reduction granted

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