OHA Drinking Water Services
PWS ID: 90889 ---- ANNEX CHARTER SCHOOL

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*, LCR = Lead and copper 90th percentile, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  72 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
CHEM9188 12/16/2020 12/28/2020 EP-A EP FOR WELL CHEM ARSENIC 0.0180.0105 0.01
CHEM9086 09/16/2020 10/01/2020 EP-A EP FOR WELL CHEM NITRATE (AS N) 6.865 1010/27/2020
CHEM7319 09/14/2016 09/30/2016 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.01470.0105 0.0104/24/2017
CHEM7242 06/22/2016 08/17/2016 EP-A EP FOR WELL (L79329) SODIUM* SODIUM 11820
CHEM7168 05/18/2016 06/10/2016 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.010760.0105 0.01
CHEM7165 05/18/2016 06/01/2016 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.010760.0105 0.01
CHEM6975 11/18/2015 12/04/2015 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.03130.0105 0.0112/04/2015
CHEM6896 09/16/2015 10/05/2015 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.01670.0105 0.01
CHEM6655 02/25/2015 03/12/2015 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.02210.0105 0.01
CHEM6302 05/14/2014 05/30/2014 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.0130.0105 0.01
CHEM6230 02/26/2014 03/17/2014 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.01870.0105 0.0105/19/2014
COLI12373 10/30/2013 11/01/2013 SRC-AB well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI12355 10/23/2013 10/25/2013 DIST-A tap btwn well & conditioner COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI12355 10/23/2013 10/25/2013 DIST-A library hall sink COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI12355 10/23/2013 10/25/2013 DIST-A kitchen COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI12198 09/25/2013 09/27/2013 DIST-A e boys restroom COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI12198 09/25/2013 09/27/2013 DIST-A west boys restroom COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI12198 09/25/2013 09/27/2013 SRC-AB well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI12146 09/18/2013 09/20/2013 DIST-A library hall sink COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM5927 07/15/2013 09/12/2013 LCR LEAD 90TH % VALUE 0.01710.0155
COLI11519 02/13/2013 02/15/2013 SRC-AB well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI11500 02/06/2013 02/08/2013 DIST-A 6th & 86h classroom COLI COLIFORM, TOTAL (TCR) Present Present Present02/11/2013
COLI11500 02/06/2013 02/08/2013 DIST-A 6th & 8th classroom COLI COLIFORM, TOTAL (TCR) Present Present Present02/11/2013
COLI11463 01/30/2013 02/01/2013 SRC-AB well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI11454 01/23/2013 01/25/2013 DIST-A library sink COLI COLIFORM, TOTAL (TCR) Present Present Present01/28/2013
COLI11454 01/23/2013 01/25/2013 DIST-A 3rd 4th classroom COLI COLIFORM, TOTAL (TCR) Present Present Present01/28/2013
COLI11454 01/23/2013 01/25/2013 DIST-A 3rd 4th classroom COLI COLIFORM, TOTAL (TCR) Present Present Present01/28/2013
COLI11454 01/23/2013 01/25/2013 DIST-A 3rd 4th classroom COLI COLIFORM, TOTAL (TCR) Present Present Present01/28/2013
COLI11454 01/23/2013 01/25/2013 DIST-A library sink COLI COLIFORM, TOTAL (TCR) Present Present Present01/28/2013
COLI11231 11/28/2012 11/30/2012 DIST-A 6th-8th classroom COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI11231 11/28/2012 11/30/2012 DIST-A 6th-8th classroom COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI11119 10/31/2012 11/02/2012 SRC-AB well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present11/26/2012
COLI11091 10/24/2012 10/26/2012 DIST-A kitchen sink COLI COLIFORM, TOTAL (TCR) Present Present Present10/30/2012
COLI11091 10/24/2012 10/26/2012 DIST-A kitchen sink COLI COLIFORM, TOTAL (TCR) Present Present Present10/30/2012
COLI11014 10/03/2012 10/05/2012 DIST-A ktchn sink COLI COLIFORM, TOTAL (TCR) Present Present Present10/05/2012
COLI10982 09/26/2012 09/28/2012 DIST-A tap btw wll and cond COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI10955 09/19/2012 09/21/2012 DIST-A tap between well & condition COLI COLIFORM, TOTAL (TCR) Present Present Present09/27/2012
CHEM5327 02/15/2012 04/06/2012 EP-A EP FOR WELL (L79329) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.001230.0006 0.006
CHEM5173 10/26/2011 12/12/2011 EP-A EP FOR WELL (L79329) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.001470.0006 0.00612/28/2011
CHEM5173 10/26/2011 12/12/2011 EP-A EP FOR WELL (L79329) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.001460.0006 0.00612/28/2011
CHEM5147 10/12/2011 11/16/2011 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.01210.0105 0.0111/16/2011
CHEM5085 09/14/2011 10/06/2011 EP-A EP FOR WELL (L79329) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.03390.0006 0.00610/07/2011
CHEM4901 05/11/2011 06/09/2011 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.01210.0105 0.0106/09/2011
CHEM4900 05/11/2011 06/02/2011 EP-A EP FOR WELL (L79329) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.01030.0006 0.00606/06/2011
CHEM4758 01/26/2011 02/15/2011 EP-A EP FOR WELL (L79329) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.01040.0006 0.00602/15/2011
CHEM4605 11/17/2010 12/13/2010 EP-A EP FOR WELL (L79329) CHEM ARSENIC 0.01090.0105 0.0102/28/2011
CHEM4605 11/17/2010 12/13/2010 EP-A EP FOR WELL (L79329) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.002050.0006 0.00602/28/2011
CHEM4526 09/29/2010 11/10/2010 EP-A EP FOR WELL (L79329) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.00480.0006 0.00611/15/2010
CHEM4380 07/26/2010 09/24/2010 EP-A EP FOR WELL (L79329) CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.0140.0006 0.00609/24/2010
CHEM3003 05/14/2008 06/27/2008 EP-A EP FOR WELL (L79329) CHEM NITRATE+NITRITE (AS N) 6.025 10
CHEM2617 07/23/2007 10/01/2007 EP-A EP FOR WELL (L79329) SODIUM* SODIUM 13520
CHEM1986 04/19/2006 05/05/2006 EP-A EP FOR WELL (L79329) CHEM NITRATE (AS N) 7.495 10
CHEM1842 09/27/2005 12/19/2005 EP-A EP FOR WELL (L79329) CHEM NITRATE (AS N) 8.285 10
COLI2470 09/28/2005 10/03/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1597 12/02/1998 05/11/2005 LCR LEAD 90TH % VALUE 0.04050.0155
COLI1964 04/27/2005 05/02/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1964 04/27/2005 05/02/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1964 04/27/2005 05/02/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1964 04/27/2005 05/02/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1406 06/30/1994 03/21/2005 LCR LEAD 90TH % VALUE 0.030.0155
CHEM1406 11/22/1994 03/21/2005 LCR LEAD 90TH % VALUE 0.0570.0155
CHEM1406 12/18/1996 03/21/2005 LCR LEAD 90TH % VALUE 0.0350.0155
CHEM1406 05/23/2000 03/21/2005 LCR LEAD 90TH % VALUE 0.0160.0155
COLI1858 02/09/2005 02/17/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1811 01/19/2005 01/25/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1811 01/19/2005 01/25/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1811 01/19/2005 01/25/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1811 01/19/2005 01/25/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1806 01/12/2005 01/18/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1644 11/03/2004 11/08/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM951 07/19/2004 10/19/2004 EP-A EP for WELL SODIUM* SODIUM 17320
CHEM849 07/19/2004 08/23/2004 EP-A EP for WELL CHEM NITRATE (AS N) 5.55 10
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
10/31/2001Coliform
11/09/1993Coliform
11/01/1993Coliform
10/19/1993Coliform
09/29/1993Coliform
09/27/1995A--EP for WELLNitrate5.9 10
03/22/1994AA--WELL - WELLNitrate12.1 10
03/22/1994AA--WELL - WELLNitrate12.2 10
03/22/1994AA--WELL - WELLNitrate12.3 10
01/18/1994AA--WELL - WELLNitrate12.4 10
10/19/1993AA--WELL - WELLNitrate12.5 10
03/25/1993AA--WELL - WELLNitrate11.6 10
04/01/1991A--WELLNitrate7.7 10
03/12/2001A--EP for WELLSodium282
12/02/1998AA--WELLSodium268


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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 
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Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
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