OHA Drinking Water Services
OR41
PWS ID: 00359 ---- CORBETT WATER DISTRICT

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 4 1 done 01/14/2026
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   10 07/23/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 279 1 incomplete11/26/2025
  Seasonal sampling period:   11/01   thru   11/30
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS ARSENIC notes9 Years 01/01/2026 - 12/31/2034 3,201 1 incomplete04/04/2023
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS IOC notes9 Years01/01/2020 - 12/31/2028 1,010 1 done 04/04/2023
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS NITRATE  Yearly 01/01/2026 - 12/31/2026 279 1 incomplete07/07/2025
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS NITRITE notes9 Years01/01/2020 - 12/31/2028 1,010 1 done 04/04/2023
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS PFAS notesQuarterly 01/01/2026 - 03/31/2026 4 1 incomplete
  Initial monitoring - 4 quarters only
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,201 1 incomplete04/04/2023
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS RAD - RADIUM 226/228 9 Years 01/01/2020 - 12/31/2028 1,010 1 incomplete06/13/2019
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,201 1 incomplete04/04/2023
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS SOC  3 Years 01/01/2026 - 12/31/2028 1,010 1 incomplete01/14/2025
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKS VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 279 1 incomplete05/14/2025

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Monthly02/01/201402/28/20151
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200409/30/20131Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/200212/31/200210Sample Between June 1st and Sept 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly01/01/201812/31/20191collect 1 dual sample set at Tippy Canoe in Feb, May,Aug, and Nov
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201312/31/20141Sample in Dec, Mar, June, and Sept
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201512/31/20171Sample in November
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKSARSENIC  Yearly01/01/200212/31/20071
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKSRAD - RADIUM 226/228  3 Years01/01/201712/31/20191
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKSRAD - RADIUM 226/228  6 Years01/01/201412/31/20161
EP-A  EP FOR NORTH & SOUTH FORK GORDON CREEKSRAD - RADIUM 226/228  9 Years01/01/200812/31/20131

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