OHA Drinking Water Services
PWS ID: 05714 ---- NORTHWEST HAZELNUT COMPANY

Alerts indicate water quality tests with analytical results greater than the detection limit or one-half of the maximum allowable contaminant level which may require some follow-up actions by Drinking Water Services. See the Contacts link for reports on follow-up actions. Alerts are not water quality violations. Violations for this water system can be found here.

Alert Type Abbreviations:  CHEM = Chemical, COLI = Coliform, SOURCE = Coliform source sample*
*Non-alert (water quality notice)
Results:  41 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Date
Alert
Date
Source
ID
Source Name Alert
Type
Contaminant Result Alert
Level
MCL Contact
Report
CHEM9446 08/24/2021 09/13/2021 EP-A EP FOR WELL CHEM NITRATE+NITRITE (AS N) 6.65 10
CHEM9444 08/24/2021 09/03/2021 EP-A EP FOR WELL CHEM NITRATE (AS N) 6.65 10
CHEM9370 06/18/2021 07/07/2021 EP-A EP FOR WELL CHEM NITRATE (AS N) 5.65 1007/30/2021
CHEM8190 12/19/2018 12/27/2018 EP-A EP FOR WELL CHEM NITRATE (AS N) 7.15 1012/27/2018
COLI17571 12/21/2017 12/26/2017 DIST-A QC Sink Warehouse #1 COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI17073 08/17/2017 08/21/2017 DIST-A qc sink COLI COLIFORM, TOTAL (TCR) Present Present Present08/29/2017
CHEM7652 08/04/2017 08/14/2017 EP-A EP FOR WELL CHEM NITRATE (AS N) 7.15 1008/16/2017
CHEM7597 05/22/2017 06/05/2017 EP-A EP FOR WELL CHEM NITRATE (AS N) 85 1006/23/2017
CHEM7145 05/12/2016 05/16/2016 EP-A EP FOR WELL CHEM NITRATE (AS N) 8.455 10
CHEM6937 10/29/2015 11/03/2015 EP-A EP FOR WELL CHEM NITRATE (AS N) 9.255 10
CHEM6596 01/07/2015 01/09/2015 EP-A EP FOR WELL CHEM NITRATE (AS N) 11.35 1001/16/2015
CHEM6267 04/17/2014 04/22/2014 EP-A EP FOR WELL CHEM NITRATE (AS N) 8.935 1004/25/2014
CHEM5853 07/11/2013 07/18/2013 EP-A EP FOR WELL CHEM NITRATE (AS N) 105 1007/31/2013
CHEM5713 02/28/2013 03/04/2013 EP-A EP FOR WELL CHEM NITRATE (AS N) 10.45 1003/12/2013
COLI7677 05/27/2010 06/02/2010 DIST-A Front Bldg RR COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI7677 05/27/2010 06/02/2010 DIST-A WH Faucet COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM4079 04/29/2010 05/20/2010 EP-A EP FOR WELL CHEM NITRATE (AS N) 9.65 1005/26/2010
COLI7640 04/29/2010 05/18/2010 SRC-AA Well (Mari726) SOURCE* COLIFORM, TOTAL (TCR) Present Present Present05/26/2010
COLI7640 04/29/2010 05/18/2010 SRC-AA Well (Mari726) SOURCE* COLIFORM, TOTAL (TCR) Present Present Present05/26/2010
COLI7640 04/29/2010 05/18/2010 SRC-AA Well(Mari726) SOURCE* COLIFORM, TOTAL (TCR) Present Present Present05/26/2010
CHEM3981 03/03/2010 03/05/2010 EP-A EP FOR WELL CHEM NITRATE (AS N) 13.25 1003/16/2010
COLI7410 03/03/2010 03/05/2010 DIST-A well head COLI COLIFORM, TOTAL (TCR) Present Present Present03/16/2010
COLI7410 03/03/2010 03/05/2010 DIST-A well head COLI COLIFORM, TOTAL (TCR) Present Present Present03/16/2010
COLI9157 02/18/2010 02/19/2010 DIST-A lab sink COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM3737 10/01/2009 10/06/2009 EP-A EP FOR WELL CHEM NITRATE (AS N) 10.85 1010/12/2009
COLI6868 10/01/2009 10/02/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present10/12/2009
COLI6868 10/01/2009 10/02/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present10/12/2009
COLI6868 10/01/2009 10/02/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present10/12/2009
COLI6868 10/01/2009 10/02/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present10/12/2009
COLI6868 10/01/2009 10/02/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present10/12/2009
CHEM3629 07/16/2009 08/14/2009 EP-A EP FOR WELL CHEM NITRATE (AS N) 8.85 1007/28/2009
COLI6503 07/23/2009 07/24/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/28/2009
COLI6503 07/23/2009 07/24/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/28/2009
COLI6503 07/23/2009 07/24/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/28/2009
COLI6479 07/16/2009 07/17/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/22/2009
CHEM3384 02/19/2009 02/25/2009 EP-A EP FOR WELL CHEM NITRATE (AS N) 12.85 1002/27/2009
CHEM3284 12/11/2008 12/26/2008 EP-A EP FOR WELL CHEM NITRATE (AS N) 12.85 1012/30/2008
CHEM3272 10/16/2008 12/23/2008 EP-A EP FOR WELL CHEM NITRATE (AS N) 11.25 10
CHEM3161 09/03/2008 09/30/2008 EP-A EP FOR WELL CHEM NITRATE (AS N) 8.85 1010/13/2008
CHEM3049 07/17/2008 08/01/2008 EP-A EP FOR WELL CHEM NITRATE (AS N) 9.45 10
CHEM2845 01/24/2008 02/15/2008 EP-A EP FOR WELL CHEM NITRATE (AS N) 125 1002/20/2008
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
01/14/1991A--WELLNitrate5.9 10



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: 2157