OHA Drinking Water Services
OR41
PWS ID: 00171 ---- CARLTON, 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
DIST-A  Distribution System DBP2 HAA5 ONLY notesQuarterly01/01/2025 - 03/31/2025 11 1 done 01/08/2025
DIST-A  Distribution System DBP2 TTHM ONLY notesQuarterly01/01/2025 - 03/31/2025 11 1 done 01/08/2025
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2026 - 12/31/2026   10 09/21/2023
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR PANTHER CREEK ARSENIC  9 Years 01/01/2020 - 12/31/2028 1,382 1 incomplete02/06/2019
EP-A  EP FOR PANTHER CREEK IOC notes9 Years 01/01/2020 - 12/31/2028 1,382 1 incomplete02/06/2019
EP-A  EP FOR PANTHER CREEK NITRATE  Yearly 01/01/2025 - 12/31/2025 286 1 incomplete10/02/2024
EP-A  EP FOR PANTHER CREEK NITRITE notes9 Years01/01/2020 - 12/31/2028 1,382 1 done 01/15/2020
EP-A  EP FOR PANTHER CREEK RAD - GROSS ALPHA notes9 Years 01/01/2017 - 12/31/2025 286 1 incomplete09/24/2013
EP-A  EP FOR PANTHER CREEK RAD - RADIUM 226/228notes9 Years 01/01/2017 - 12/31/2025 286 1 incomplete09/24/2013
EP-A  EP FOR PANTHER CREEK RAD - URANIUM notes9 Years 01/01/2017 - 12/31/2025 286 1 incomplete09/24/2013
EP-A  EP FOR PANTHER CREEK SOC  Yearly 01/01/2025 - 12/31/2025 286 1 incomplete09/25/2024
EP-A  EP FOR PANTHER CREEK VOLATILE ORGANICS  Yearly 01/01/2025 - 12/31/2025 286 1 incomplete09/25/2024

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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  Monthly01/01/200412/31/20111Raw Water TOC Only Required for Reduction in DBP Monitoring
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON  Quarterly01/01/201209/30/20161Raw Water TOC Only Required for Reduction in DBP Monitoring
DIST-A  Distribution SystemHAA5 & TTHM  Quarterly01/01/200412/31/20101Schedule Reflects 1 RT Sample Per QT Per WTP Based on results - reduced monitoring to 1 RT per year 2/22/11 fk
DIST-A  Distribution SystemHAA5 & TTHM  Yearly01/01/201109/30/20131Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  3 Years01/01/200212/31/202010Sample Between June 1st and Sept 30th
DIST-A  Distribution SystemLEAD & COPPER  6 Months01/01/202312/31/202320
DIST-A  Distribution SystemLEAD & COPPER  6 Months07/01/202106/30/202220
EP-A  EP FOR PANTHER CREEKARSENIC  Yearly01/01/200212/31/20101
EP-A  EP FOR PANTHER CREEKNITRATE  Yearly01/01/200208/04/20211
EP-A  EP FOR PANTHER CREEKSOC  3 Years01/01/200208/04/20211
EP-A  EP FOR PANTHER CREEKTETRACHLOROETHYLENE   Quarterly04/02/200703/31/20081
EP-A  EP FOR PANTHER CREEKVOLATILE ORGANICS  Quarterly01/01/200703/31/20071Must monitor quarterly for one year, until 12/31/07. Then re-evaluate.
EP-A  EP FOR PANTHER CREEKVOLATILE ORGANICS  Yearly01/01/200212/31/20061Must monitor quarterly for one year, until 12/31/2007. Then re-evaluate monitoring frequency.
EP-A  EP FOR PANTHER CREEKVOLATILE ORGANICS  Yearly01/01/200908/04/20211
EP-A  EP FOR PANTHER CREEKVOLATILE ORGANICS  Yearly04/01/200712/31/20081
SRC-AA  PANTHER CREEKCYANOTOXINS  2 Weeks07/15/201801/24/20191

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