OHA Drinking Water Services
PWS ID: 00237 ---- HILLTOP IMPROVEMENT DISTRICT

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, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  53 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
CHEM8382 06/24/2019 06/28/2019 EP-A EP for WELL CHEM ARSENIC 0.0180.0105 0.0107/02/2019
CHEM8382 06/24/2019 06/28/2019 EP-A EP for WELL SODIUM* SODIUM 65.320 07/02/2019
COLI18522 12/11/2018 12/13/2018 DIST-A 32323 Green Acres Lp OS HB COLI COLIFORM, TOTAL (TCR) Present Present Present12/13/2018
CHEM7114 03/24/2016 04/20/2016 EP-A EP for WELL SODIUM* SODIUM 51.520
CHEM7110 03/24/2016 04/14/2016 EP-A EP for WELL CHEM ARSENIC 0.02120.0105 0.0104/15/2016
COLI13653 12/02/2014 12/04/2014 DIST-A 32323 green arces lp o/s hb COLI COLIFORM, TOTAL (TCR) Present Present Present12/04/2014
CHEM5848 06/26/2013 07/16/2013 EP-A EP for WELL CHEM ARSENIC 0.02310.0105 0.0107/16/2013
CHEM5848 06/26/2013 07/16/2013 EP-A EP for WELL SODIUM* SODIUM 4520 07/16/2013
COLI10674 07/09/2012 07/11/2012 DIST-A 32386 green acres lp -hose bib COLI COLIFORM, TOTAL (TCR) Present Present Present07/13/2012
CHEM4484 10/20/2010 10/26/2010 EP-A EP for WELL CHEM ARSENIC 0.0220.0105 0.0110/27/2010
CHEM4416 09/03/2010 10/13/2010 EP-A EP for WELL SODIUM* SODIUM 38.420
CHEM4312 08/19/2010 08/23/2010 EP-A EP for WELL CHEM ARSENIC 0.02120.0105 0.0108/26/2010
CHEM4129 06/07/2010 06/10/2010 EP-A EP for WELL CHEM ARSENIC 0.0220.0105 0.0106/11/2010
CHEM4022 04/07/2010 04/09/2010 EP-A EP for WELL CHEM ARSENIC 0.02150.0105 0.0104/12/2010
CHEM3940 02/08/2010 02/12/2010 EP-A EP for WELL CHEM ARSENIC 0.01970.0105 0.0102/12/2010
CHEM3582 07/06/2009 07/10/2009 EP-A EP for WELL CHEM ARSENIC 0.02440.0105 0.0107/10/2009
CHEM3534 06/09/2009 06/12/2009 EP-A EP for WELL CHEM ARSENIC 0.02470.0105 0.0106/12/2009
CHEM3413 03/11/2009 03/23/2009 EP-A EP for WELL CHEM ARSENIC 0.01330.0105 0.0103/26/2009
COLI6049 01/09/2009 01/12/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI6049 01/09/2009 01/12/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI6049 01/09/2009 01/12/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI6032 01/06/2009 01/08/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM3279 12/18/2008 12/26/2008 EP-A EP for WELL CHEM ARSENIC 0.01130.0105 0.01
COLI5917 12/01/2008 12/02/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI5897 11/13/2008 11/24/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI5585 09/03/2008 09/05/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI5585 09/03/2008 09/05/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI5585 09/03/2008 09/05/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM3073 08/04/2008 08/27/2008 EP-A EP for WELL CHEM ARSENIC 0.01710.0105 0.01
COLI5474 08/06/2008 08/08/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI5474 08/06/2008 08/08/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI5474 08/06/2008 08/08/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI5464 08/04/2008 08/07/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM2920 04/03/2008 04/18/2008 EP-A EP for WELL CHEM ARSENIC 0.0150.0105 0.01
CHEM2897 04/03/2008 04/10/2008 EP-A EP for WELL CHEM ARSENIC 0.0150.0105 0.01
CHEM2840 02/07/2008 02/15/2008 EP-A EP for WELL CHEM ARSENIC 0.0140.0105 0.01
CHEM2650 10/04/2007 10/16/2007 EP-A EP for WELL CHEM ARSENIC 0.0180.0105 0.01
CHEM2591 08/23/2007 08/28/2007 EP-A EP for WELL CHEM ARSENIC 0.0170.0105 0.01
CHEM2527 06/13/2007 06/15/2007 EP-A EP for WELL CHEM ARSENIC 0.0160.0105 0.01
CHEM2524 04/17/2007 05/23/2007 EP-A EP for WELL CHEM ARSENIC 0.01250.0105 0.01
CHEM2524 04/17/2007 05/23/2007 EP-A EP for WELL SODIUM* SODIUM 36.120
COLI3917 01/08/2007 01/09/2007 DIST-A Distribution System COLI COLIFORM, FECAL Present Present Present
COLI3917 01/08/2007 01/09/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3917 01/08/2007 01/09/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3917 01/08/2007 01/09/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3917 01/08/2007 01/09/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3909 01/05/2007 01/08/2007 DIST-A Distribution System COLI COLIFORM, FECAL Present Present Present
COLI3909 01/05/2007 01/08/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3441 08/22/2006 08/24/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3264 07/19/2006 07/21/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3250 07/17/2006 07/19/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM984 08/26/2004 11/19/2004 EP-A EP for WELL CHEM ARSENIC 0.01790.0105 0.01
CHEM984 08/26/2004 11/19/2004 EP-A EP for WELL SODIUM* SODIUM 36.920
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
12/21/2000Coliform
09/11/2000Coliform
01/27/2000Coliform
12/03/1999Coliform
11/29/1999Coliform
10/14/1999Coliform
02/03/1999Coliform
01/26/1999Coliform
01/06/1999Coliform
12/21/1998Coliform
12/15/1998Coliform
05/26/1998Coliform
04/22/1998Coliform
11/18/1997Coliform
10/27/1997Coliform
04/29/1997Coliform
03/19/1997Coliform
02/03/1997Coliform
01/07/1997Coliform
12/09/1996Coliform
11/14/1996Coliform
10/28/1996Coliform
10/21/1996Coliform
09/26/1996Coliform
09/18/1996Coliform
08/19/1996Coliform
08/07/1996Coliform
08/18/1995Coliform
01/23/1995Coliform
01/22/1995Coliform
01/16/1995Coliform
10/07/1993Coliform
01/26/1999AA--WELLSodium30.9
09/20/1993AA--WELL - WELLSodium39.5
06/18/1991A--WELLSodium44.9



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 :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3280