OHA Drinking Water Services
Related:  Coliform Schedules

PWS ID: 06118 ---- COLUMBIA HILLS HOA

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 LEAD & COPPER notes3 Years01/01/2023 - 12/31/2023   5 09/28/2020
 Seasonal sampling period:  06/01  thru  09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly01/01/2021 - 12/31/2021 303 1 incomplete09/25/2020
 Seasonal sampling period:  09/01  thru  09/30
EP-A  EP FOR WELLS #1, #4, AND #2 ARSENIC notes9 Years01/01/2014 - 12/31/2022 668 1 done 10/29/2019
EP-A  EP FOR WELLS #1, #4, AND #2 IOC notes9 Years01/01/2014 - 12/31/2022 668 1 done 10/29/2019
EP-A  EP FOR WELLS #1, #4, AND #2 NITRATE  Yearly01/01/2021 - 12/31/2021 303 1 incomplete11/12/2020
EP-A  EP FOR WELLS #1, #4, AND #2 NITRITE notes9 Years01/01/2014 - 12/31/2022 668 1 done 10/29/2019
EP-A  EP FOR WELLS #1, #4, AND #2 RAD - GROSS ALPHA  9 Years01/01/2014 - 12/31/2022 668 1 incomplete08/13/2012
EP-A  EP FOR WELLS #1, #4, AND #2 RAD - RADIUM 226/228 9 Years01/01/2014 - 12/31/2022 668 1 incomplete08/13/2012
EP-A  EP FOR WELLS #1, #4, AND #2 RAD - URANIUM  9 Years01/01/2014 - 12/31/2022 668 1 incomplete08/13/2012
EP-A  EP FOR WELLS #1, #4, AND #2 SOC  3 Years01/01/2020 - 12/31/2022 668 1 incomplete10/29/2019
EP-A  EP FOR WELLS #1, #4, AND #2 VOLATILE ORGANICS  3 Years01/01/2020 - 12/31/2022 668 1 incomplete10/29/2019

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Expired Schedules
Facility
ID
Analyte or Group    Sampling
Interval
Start End Samples
Required
   Notes
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/201312/31/20131Sample between June 1 and Sept 30th
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months01/01/200906/30/20095
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  6 Months07/01/200912/31/20145
DIST-A  DISTRIBUTION SYSTEMLEAD & COPPER  Yearly01/01/201512/31/20175Sample between June 1st and September 30th
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 IDSE  Yearly01/01/201312/31/20132Sample During Peak Historical Month for High DBPs.
EP-A  EP FOR WELLS #1, #4, AND #2ARSENIC  3 Years01/01/200812/31/20131
EP-A  EP FOR WELLS #1, #4, AND #2IOC  3 Years01/01/200812/31/20131
EP-A  EP FOR WELLS #1, #4, AND #2NITRITE  3 Years01/01/200812/31/20131
EP-A  EP FOR WELLS #1, #4, AND #2RAD - GROSS ALPHA  Quarterly04/01/200909/30/20121
EP-A  EP FOR WELLS #1, #4, AND #2RAD - RADIUM 226/228  Quarterly04/01/200909/30/20121
EP-A  EP FOR WELLS #1, #4, AND #2RAD - URANIUM  Quarterly04/01/200909/30/20121
EP-B  EP FOR WELL #2 (COLU3174)ARSENIC  3 Years01/01/200805/01/20091
EP-B  EP FOR WELL #2 (COLU3174)IOC  3 Years01/01/200805/01/20091
EP-B  EP FOR WELL #2 (COLU3174)NITRATE  Yearly01/01/200305/01/20091
EP-B  EP FOR WELL #2 (COLU3174)NITRITE  3 Years01/01/200805/01/20091
EP-B  EP FOR WELL #2 (COLU3174)RAD - GROSS ALPHA  Quarterly04/01/200905/01/20091
EP-B  EP FOR WELL #2 (COLU3174)RAD - RADIUM 226/228  Quarterly04/01/200905/01/20091
EP-B  EP FOR WELL #2 (COLU3174)RAD - URANIUM  Quarterly04/01/200905/01/20091
EP-B  EP FOR WELL #2 (COLU3174)SOC  3 Years01/01/200805/01/20091
EP-B  EP FOR WELL #2 (COLU3174)VOLATILE ORGANICS  3 Years01/01/200805/01/20091
EP-C  EP FOR WELL #8 (7) - NOW W/ PWS ID#06211ARSENIC  3 Years01/01/200804/30/20121
EP-C  EP FOR WELL #8 (7) - NOW W/ PWS ID#06211IOC  3 Years01/01/200804/30/20121
EP-C  EP FOR WELL #8 (7) - NOW W/ PWS ID#06211NITRATE  Yearly01/01/200304/30/20121
EP-C  EP FOR WELL #8 (7) - NOW W/ PWS ID#06211NITRITE  3 Years01/01/200804/30/20121
EP-C  EP FOR WELL #8 (7) - NOW W/ PWS ID#06211RAD - GROSS ALPHA  Quarterly04/01/200912/31/20111
EP-C  EP FOR WELL #8 (7) - NOW W/ PWS ID#06211RAD - RADIUM 226/228  Quarterly04/01/200912/31/20111
EP-C  EP FOR WELL #8 (7) - NOW W/ PWS ID#06211RAD - URANIUM  Quarterly04/01/200912/31/20111
EP-C  EP FOR WELL #8 (7) - NOW W/ PWS ID#06211SOC  3 Years01/01/200804/30/20121
EP-C  EP FOR WELL #8 (7) - NOW W/ PWS ID#06211VOLATILE ORGANICS  3 Years01/01/200804/30/20121

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For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4836