OHA Drinking Water Services
OR41
PWS ID: 00237 ---- HILLTOP IMPROVEMENT DISTRICT
Water Quality Alerts

Table is loading - please wait...
Use the "Download" button to export the data to an Excel file.

Alert Date Range: From to
Alert Type
 Alert ID Sample Date Alert Date Contact
Report		 Response
Time (Days)		 Location Analyte
 Result
 Current
Alert Level		 Current
MCL		 Units Sample Type Lab Sample ID SelectAtype FilterAlertDate
IOC ARCHIVE 06/18/1991 07/23/1991 A SODIUM 44.9 20 MG/L -1984395 Alert Chem IOC0 1991-07-23
IOC ARCHIVE 09/20/1993 11/23/1993 AA SODIUM 39.5 20 MG/L 36539 Alert Chem IOC0 1993-11-23
TCR ARCHIVE 10/07/1993 10/20/1993 COLIFORM (TCR) Present Present Routine 37204 Alert TCR0 1993-10-20
TCR ARCHIVE 01/16/1995 01/24/1995 COLIFORM (TCR) Present Present Routine 52049 Alert TCR0 1995-01-24
TCR ARCHIVE 01/22/1995 01/30/1995 COLIFORM (TCR) Present Present Repeat 52249 Alert TCR0 1995-01-30
TCR ARCHIVE 01/23/1995 01/30/1995 COLIFORM (TCR) Present Present Repeat 52248 Alert TCR0 1995-01-30
TCR ARCHIVE 08/18/1995 08/28/1995 COLIFORM (TCR) Present Present Routine 58605 Alert TCR0 1995-08-28
TCR ARCHIVE 08/07/1996 08/12/1996 COLIFORM (TCR) Present Present Routine 69609 Alert TCR0 1996-08-12
TCR ARCHIVE 08/19/1996 08/26/1996 COLIFORM (TCR) Present Present Repeat 69976 Alert TCR0 1996-08-26
TCR ARCHIVE 09/18/1996 09/30/1996 COLIFORM (TCR) Present Present Repeat 71172 Alert TCR0 1996-09-30
TCR ARCHIVE 09/18/1996 09/30/1996 COLIFORM (TCR) Present Present Repeat 71173 Alert TCR0 1996-09-30
TCR ARCHIVE 09/18/1996 09/30/1996 COLIFORM (TCR) Present Present Repeat 71174 Alert TCR0 1996-09-30
TCR ARCHIVE 09/18/1996 09/30/1996 COLIFORM (TCR) Present Present Repeat 71175 Alert TCR0 1996-09-30
TCR ARCHIVE 09/26/1996 10/07/1996 COLIFORM (TCR) Present Present Routine 71373 Alert TCR0 1996-10-07
TCR ARCHIVE 10/21/1996 10/28/1996 COLIFORM (TCR) Present Present Repeat 72236 Alert TCR0 1996-10-28
TCR ARCHIVE 10/28/1996 11/04/1996 COLIFORM (TCR) Present Present Repeat 72435 Alert TCR0 1996-11-04
TCR ARCHIVE 11/14/1996 12/31/1996 COLIFORM (TCR) Present Present Routine 73025 Alert TCR0 1996-12-31
TCR ARCHIVE 12/09/1996 12/16/1996 COLIFORM (TCR) Present Present Routine 73777 Alert TCR0 1996-12-16
TCR ARCHIVE 01/07/1997 01/13/1997 COLIFORM (TCR) Present Present Routine 74445 Alert TCR0 1997-01-13
TCR ARCHIVE 02/03/1997 02/11/1997 COLIFORM (TCR) Present Present Routine 75203 Alert TCR0 1997-02-11
TCR ARCHIVE 03/19/1997 03/31/1997 COLIFORM (TCR) Present Present Repeat 970659 Alert TCR0 1997-03-31
TCR ARCHIVE 03/19/1997 03/31/1997 COLIFORM (TCR) Present Present Repeat 970660 Alert TCR0 1997-03-31
TCR ARCHIVE 04/29/1997 05/05/1997 COLIFORM (TCR) Present Present Routine 971025 Alert TCR0 1997-05-05
TCR ARCHIVE 10/27/1997 11/17/1997 COLIFORM (TCR) Present Present Routine 973918 Alert TCR0 1997-11-17
TCR ARCHIVE 11/18/1997 12/01/1997 COLIFORM (TCR) Present Present Routine 9744096 Alert TCR0 1997-12-01
TCR ARCHIVE 04/22/1998 05/01/1998 COLIFORM (TCR) Present Present Routine 980883 Alert TCR0 1998-05-01
TCR ARCHIVE 05/26/1998 06/01/1998 COLIFORM (TCR) Present Present Repeat 981271 Alert TCR0 1998-06-01
TCR ARCHIVE 12/15/1998 12/21/1998 COLIFORM (TCR) Present Present Routine 983422 Alert TCR0 1998-12-21
TCR ARCHIVE 12/21/1998 12/30/1998 COLIFORM (TCR) Present Present Repeat 983508 Alert TCR0 1998-12-30
TCR ARCHIVE 12/21/1998 12/30/1998 COLIFORM (TCR) Present Present Repeat 983509 Alert TCR0 1998-12-30
TCR ARCHIVE 01/06/1999 01/12/1999 COLIFORM (TCR) Present Present Routine 990039 Alert TCR0 1999-01-12
TCR ARCHIVE 01/26/1999 02/04/1999 COLIFORM (TCR) Present Present Repeat 990220 Alert TCR0 1999-02-04
IOC ARCHIVE 01/26/1999 03/19/1999 AA SODIUM 30.9 20 MG/L 90127-19 Alert Chem IOC0 1999-03-19
TCR ARCHIVE 02/03/1999 02/12/1999 COLIFORM (TCR) Present Present Repeat 99094 Alert TCR0 1999-02-12
TCR ARCHIVE 10/14/1999 10/25/1999 COLIFORM (TCR) Present Present Routine 993135 Alert TCR0 1999-10-25
TCR ARCHIVE 11/29/1999 12/06/1999 COLIFORM (TCR) Present Present Routine 993553 Alert TCR0 1999-12-06
TCR ARCHIVE 11/29/1999 12/06/1999 COLIFORM (TCR) Present Present Routine 993554 Alert TCR0 1999-12-06
TCR ARCHIVE 12/03/1999 12/09/1999 COLIFORM (TCR) Present Present Repeat 993617 Alert TCR0 1999-12-09
TCR ARCHIVE 01/27/2000 02/04/2000 COLIFORM (TCR) Present Present Repeat 200269 Alert TCR0 2000-02-04
TCR ARCHIVE 09/11/2000 09/15/2000 COLIFORM (TCR) Present Present Routine 202982 Alert TCR0 2000-09-15
TCR ARCHIVE 12/21/2000 12/29/2000 COLIFORM (TCR) Present Present Routine 204101 Alert TCR0 2000-12-29
ARS CHEM984 08/26/2004 11/19/2004 EP-A ARSENIC 0.0179 0.01 MG/L P4H1049-01I Alert Chem CMCL ARS0 2004-11-19
Notice - Sodium CHEM984 08/26/2004 11/19/2004 EP-A SODIUM 36.9 20 MG/L 40902-24 Notice Sodium 2004-11-19
TCR COLI3250 07/17/2006 07/19/2006 DIST-A COLIFORM (TCR) Present Present Routine 262438 Alert TCR0 2006-07-19
TCR COLI3264 07/19/2006 07/21/2006 DIST-A COLIFORM (TCR) Present Present Repeat 262487 Alert TCR0 2006-07-21
TCR COLI3441 08/22/2006 08/24/2006 DIST-A COLIFORM (TCR) Present Present Routine 263173 Alert TCR0 2006-08-24
TCR COLI3909 01/05/2007 01/08/2007 DIST-A FECAL COLIFORM Present 0 Routine 270047 Alert TCR0 2007-01-08
TCR COLI3909 01/05/2007 01/08/2007 DIST-A COLIFORM (TCR) Present Present Routine 270047 Alert TCR0 2007-01-08
TCR COLI3917 01/08/2007 01/09/2007 DIST-A FECAL COLIFORM Present 0 Repeat 270071 Alert TCR0 2007-01-09
TCR COLI3917 01/08/2007 01/09/2007 DIST-A COLIFORM (TCR) Present Present Repeat 270068 Alert TCR0 2007-01-09
TCR COLI3917 01/08/2007 01/09/2007 DIST-A COLIFORM (TCR) Present Present Repeat 270069 Alert TCR0 2007-01-09
TCR COLI3917 01/08/2007 01/09/2007 DIST-A COLIFORM (TCR) Present Present Repeat 270070 Alert TCR0 2007-01-09
TCR COLI3917 01/08/2007 01/09/2007 DIST-A COLIFORM (TCR) Present Present Repeat 270071 Alert TCR0 2007-01-09
ARS CHEM2524 04/17/2007 05/23/2007 EP-A ARSENIC 0.0125 0.01 MG/L PQD068501-I Alert Chem CMCL ARS0 2007-05-23
Notice - Sodium CHEM2524 04/17/2007 05/23/2007 EP-A SODIUM 36.1 20 MG/L PQD068501-I Notice Sodium 2007-05-23
ARS CHEM2527 06/13/2007 06/15/2007 EP-A ARSENIC 0.016 0.01 MG/L 272166 Alert Chem CMCL ARS0 2007-06-15
ARS CHEM2591 08/23/2007 08/28/2007 EP-A ARSENIC 0.017 0.01 MG/L 273468 Alert Chem CMCL ARS0 2007-08-28
ARS CHEM2650 10/04/2007 10/16/2007 EP-A ARSENIC 0.018 0.01 MG/L 274243 Alert Chem CMCL ARS0 2007-10-16
ARS CHEM2840 02/07/2008 02/15/2008 EP-A ARSENIC 0.014 0.01 MG/L 280652 Alert Chem CMCL ARS0 2008-02-15
ARS CHEM2897 04/03/2008 04/10/2008 EP-A ARSENIC 0.015 0.01 MG/L 281777 Alert Chem CMCL ARS0 2008-04-10
TCR COLI5464 08/04/2008 08/07/2008 DIST-A COLIFORM (TCR) Present Present Routine 37352 Alert TCR0 2008-08-07
ARS CHEM3073 08/04/2008 08/27/2008 EP-A ARSENIC 0.0171 0.01 MG/L 37351-A Alert Chem CMCL ARS0 2008-08-27
TCR COLI5474 08/06/2008 08/08/2008 DIST-A COLIFORM (TCR) Present Present Repeat 37501 Alert TCR0 2008-08-08
TCR COLI5474 08/06/2008 08/08/2008 DIST-A COLIFORM (TCR) Present Present Repeat 37503 Alert TCR0 2008-08-08
TCR COLI5474 08/06/2008 08/08/2008 DIST-A COLIFORM (TCR) Present Present Repeat 37504 Alert TCR0 2008-08-08
TCR COLI5585 09/03/2008 09/05/2008 DIST-A COLIFORM (TCR) Present Present Routine 38719 Alert TCR0 2008-09-05
TCR COLI5585 09/03/2008 09/05/2008 DIST-A COLIFORM (TCR) Present Present Routine 38720 Alert TCR0 2008-09-05
TCR COLI5585 09/03/2008 09/05/2008 DIST-A COLIFORM (TCR) Present Present Routine 38721 Alert TCR0 2008-09-05
TCR COLI5917 12/01/2008 12/02/2008 DIST-A COLIFORM (TCR) Present Present Routine 42320 Alert TCR0 2008-12-02
ARS CHEM3279 12/18/2008 12/26/2008 EP-A ARSENIC 0.0113 0.01 MG/L 43160-I Alert Chem CMCL ARS0 2008-12-26
TCR COLI6032 01/06/2009 01/08/2009 DIST-A COLIFORM (TCR) Present Present Routine 43664 Alert TCR0 2009-01-08
TCR COLI6049 01/09/2009 01/12/2009 DIST-A COLIFORM (TCR) Present Present Repeat 43853 Alert TCR0 2009-01-12
TCR COLI6049 01/09/2009 01/12/2009 DIST-A COLIFORM (TCR) Present Present Repeat 43854 Alert TCR0 2009-01-12
TCR COLI6049 01/09/2009 01/12/2009 DIST-A COLIFORM (TCR) Present Present Repeat 43855 Alert TCR0 2009-01-12
ARS CHEM3413 03/11/2009 03/23/2009 03/26/2009 3 EP-A ARSENIC 0.0133 0.01 MG/L 46104-I Alert Chem CMCL ARS0 2009-03-23
ARS CHEM3534 06/09/2009 06/12/2009 06/12/2009 0 EP-A ARSENIC 0.0247 0.01 MG/L 49578-I Alert Chem CMCL ARS0 2009-06-12
ARS CHEM3582 07/06/2009 07/10/2009 07/10/2009 0 EP-A ARSENIC 0.0244 0.01 MG/L 50658-I Alert Chem CMCL ARS0 2009-07-10
ARS CHEM3940 02/08/2010 02/12/2010 02/12/2010 0 EP-A ARSENIC 0.0197 0.01 MG/L 59629-I Alert Chem CMCL ARS0 2010-02-12
ARS CHEM4022 04/07/2010 04/09/2010 04/12/2010 3 EP-A ARSENIC 0.0215 0.01 MG/L 62012-I Alert Chem CMCL ARS0 2010-04-09
ARS CHEM4129 06/07/2010 06/10/2010 06/11/2010 1 EP-A ARSENIC 0.022 0.01 MG/L 64353-I Alert Chem CMCL ARS0 2010-06-10
ARS CHEM4312 08/19/2010 08/23/2010 08/26/2010 3 EP-A ARSENIC 0.0212 0.01 MG/L 67653 Alert Chem CMCL ARS0 2010-08-23
Notice - Sodium CHEM4416 09/03/2010 10/13/2010 EP-A SODIUM 38.4 20 MG/L 68260-I Notice Sodium 2010-10-13
ARS CHEM4484 10/20/2010 10/26/2010 10/27/2010 1 EP-A ARSENIC 0.022 0.01 MG/L 70337-I Alert Chem CMCL ARS0 2010-10-26
TCR COLI10674 07/09/2012 07/11/2012 07/13/2012 2 DIST-A COLIFORM (TCR) Present Present Routine 123247 Alert TCR0 2012-07-11
ARS CHEM5848 06/26/2013 07/16/2013 07/16/2013 0 EP-A ARSENIC 0.0231 0.01 MG/L 132688 Alert Chem CMCL ARS0 2013-07-16
Notice - Sodium CHEM5848 06/26/2013 07/16/2013 07/16/2013 0 EP-A SODIUM 45 20 MG/L 132688-I Notice Sodium 2013-07-16
TCR COLI13653 12/02/2014 12/04/2014 12/04/2014 0 DIST-A COLIFORM (TCR) Present Present Routine 1412116001 Alert TCR0 2014-12-04
ARS CHEM7110 03/24/2016 04/14/2016 04/15/2016 1 EP-A ARSENIC 0.0212 0.01 MG/L 1603994001-I Alert Chem CMCL ARS0 2016-04-14
Notice - Sodium CHEM7114 03/24/2016 04/20/2016 EP-A SODIUM 51.5 20 MG/L 1603994001A-I Notice Sodium 2016-04-20
TCR COLI18522 12/11/2018 12/13/2018 DIST-A COLIFORM (TCR) Present Present Routine 1812463001 Alert TCR0 2018-12-13
ARS CHEM8382 06/24/2019 06/28/2019 EP-A ARSENIC 0.018 0.01 MG/L 1906A25001-I Alert Chem CMCL ARS0 2019-06-28
Notice - Sodium CHEM8382 06/24/2019 06/28/2019 EP-A SODIUM 65.3 20 MG/L 1906A25001-I Notice Sodium 2019-06-28


More information for this water system: SDWIS ID 3280
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
New! Visit our new Drinking Water Source Protection page.
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login