OHA Drinking Water Services
OR41
PWS ID: 00517 ---- COBBLESTONE MHP
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
 Alert Level MCL Units Sample Type Lab Sample ID SelectAtype FilterAlertDate
IOC ARCHIVE 05/15/1991 06/18/1991 A SODIUM 84.42 20 MG/L -1965184 Alert Chem IOC0 1991-06-18
TCR ARCHIVE 07/18/1994 07/22/1994 COLIFORM (TCR) Present Present Routine 94-7099 Alert TCR0 1994-07-22
LCR CHEM1237 11/15/1994 03/21/2005 DIST-A LEAD SUMMARY 0.018 0.015 MG/L Alert Chem LCR0 2005-03-21
IOC ARCHIVE 10/17/1995 10/27/1995 A SODIUM 99 20 MG/L 95-10320 Alert Chem IOC0 1995-10-27
TCR ARCHIVE 08/15/1996 08/21/1996 COLIFORM (TCR) Present Present Routine 96-7778 Alert TCR0 1996-08-21
TCR ARCHIVE 12/16/1997 12/22/1997 COLIFORM (TCR) Present Present Routine 97-12830 Alert TCR0 1997-12-22
IOC ARCHIVE 09/02/1998 06/04/1999 A FLUORIDE 2.5 2 4 MG/L 980903DA*A Alert Chem IOC0 1999-06-04
IOC ARCHIVE 09/02/1998 06/04/1999 A SODIUM 120 20 MG/L 980903DA*A Alert Chem IOC0 1999-06-04
LCR CHEM1237 06/30/2000 03/21/2005 DIST-A LEAD SUMMARY 0.0358 0.015 MG/L Alert Chem LCR0 2005-03-21
TCR ARCHIVE 07/03/2001 07/20/2001 COLIFORM (TCR) Present Present Routine 010706501A Alert TCR0 2001-07-20
IOC ARCHIVE 10/17/2001 12/14/2001 A FLUORIDE 2.67 2 4 MG/L 0110333 Alert Chem IOC0 2001-12-14
IOC ARCHIVE 10/17/2001 08/22/2002 A SODIUM 171 20 MG/L 0110333 Alert Chem IOC0 2002-08-22
TCR COLI1973 05/02/2005 05/05/2005 DIST-A COLIFORM (TCR) Present Present Routine 0505020-01A Alert TCR0 2005-05-05
RAD CHEM3484 12/24/2008 04/22/2009 04/24/2009 2 EP-A GROSS ALPHA, EXCL. RADON & U 9 15 PCI/L C08120947001-R Alert Chem RAD0 2009-04-22
RAD CHEM3731 06/18/2009 10/02/2009 10/08/2009 6 EP-A GROSS ALPHA, EXCL. RADON & U 10.6 15 PCI/L 0906537 Alert Chem RAD0 2009-10-02
LCR CHEM3764 09/29/2009 10/14/2009 10/14/2009 0 DIST-A LEAD SUMMARY 0.01655 0.015 MG/L Alert Chem LCR0 2009-10-14
Notice - Source COLI7356 02/08/2010 02/12/2010 02/12/2010 0 SRC-AA COLIFORM (TCR) Present Present Assessment 100218901A Notice Source 2010-02-12
Notice - Source COLI7449 03/16/2010 03/22/2010 SRC-AA COLIFORM (TCR) Present Present Assessment 100337501A Notice Source 2010-03-22
Notice - Source COLI7539 04/14/2010 04/19/2010 04/23/2010 4 SRC-AA COLIFORM (TCR) Present Present Assessment 100429701A Notice Source 2010-04-19
Notice - Source COLI7603 05/04/2010 05/10/2010 05/12/2010 2 SRC-AA COLIFORM (TCR) Present Present Assessment 100504301A Notice Source 2010-05-10
Notice - Source COLI7603 05/04/2010 05/10/2010 05/12/2010 2 SRC-AB COLIFORM (TCR) Present Present Assessment 100504401A Notice Source 2010-05-10
Notice - Source COLI7709 06/03/2010 06/10/2010 06/15/2010 5 SRC-AA COLIFORM (TCR) Present Present Assessment 100613501A Notice Source 2010-06-10
TCR COLI7862 07/07/2010 07/09/2010 07/12/2010 3 DIST-A E. COLI Present 0 Routine 100713601A Alert TCR0 2010-07-09
TCR COLI7862 07/07/2010 07/09/2010 07/12/2010 3 DIST-A COLIFORM (TCR) Present Present Routine 100713601A Alert TCR0 2010-07-09
TCR COLI7887 07/07/2010 07/13/2010 07/13/2010 0 SRC-AB E. COLI Present 0 Assessment 100713801A Alert TCR0 2010-07-13
Notice - Source COLI7887 07/07/2010 07/13/2010 07/13/2010 0 SRC-AB COLIFORM (TCR) Present Present Assessment 100713801A Notice Source 2010-07-13
Notice - Source COLI7901 07/07/2010 07/15/2010 SRC-AA COLIFORM (TCR) Present Present Assessment 100713701A Notice Source 2010-07-15
Notice - Source COLI7901 07/09/2010 07/15/2010 SRC-AB COLIFORM (TCR) Present Present Confirmation 100725101A Notice Source 2010-07-15
Notice - Source COLI7901 07/09/2010 07/15/2010 SRC-AB COLIFORM (TCR) Present Present Confirmation 100725102A Notice Source 2010-07-15
Notice - Source COLI7901 07/09/2010 07/15/2010 SRC-AB COLIFORM (TCR) Present Present Confirmation 100725103A Notice Source 2010-07-15
Notice - Source COLI7901 07/09/2010 07/15/2010 SRC-AB COLIFORM (TCR) Present Present Confirmation 100725104A Notice Source 2010-07-15
Notice - Source COLI8037 08/09/2010 08/11/2010 SRC-AA COLIFORM (TCR) Present Present Assessment 100823801A Notice Source 2010-08-11
Notice - Source COLI8189 09/07/2010 09/09/2010 SRC-AA COLIFORM (TCR) Present Present Assessment 100918301A Notice Source 2010-09-09
Notice - Source COLI8388 10/04/2010 10/06/2010 SRC-AB COLIFORM (TCR) Present Present Assessment 101006101A Notice Source 2010-10-06
IOC CHEM4584 11/16/2010 12/03/2010 EP-A FLUORIDE 3.22 2 4 MG/L 101141801B-I Alert Chem IOC0 2010-12-03
Notice - Sodium CHEM4584 11/16/2010 12/03/2010 EP-A SODIUM 129 20 MG/L 101141801B-I Notice Sodium 2010-12-03
Notice - Source COLI8967 02/07/2011 02/09/2011 SRC-AB COLIFORM (TCR) Present Present Assessment 110215501A Notice Source 2011-02-09
Notice - Source COLI11314 12/13/2012 12/17/2012 SRC-AB COLIFORM (TCR) Present Present Assessment 121233401A Notice Source 2012-12-17
TCR COLI12733 04/02/2014 04/04/2014 04/07/2014 3 DIST-A COLIFORM (TCR) Present Present Routine 140407401A Alert TCR0 2014-04-04
TCR COLI12739 04/04/2014 04/07/2014 04/07/2014 0 DIST-A COLIFORM (TCR) Present Present Repeat 140416805A Alert TCR0 2014-04-07
Notice - Source COLI12739 04/04/2014 04/07/2014 04/07/2014 0 SRC-AA COLIFORM (TCR) Present Present Triggered 140416801A Notice Source 2014-04-07
Notice - Source COLI12768 04/15/2014 04/23/2014 SRC-AC COLIFORM (TCR) Present Present Triggered 140443201A Notice Source 2014-04-23
TCR COLI17392 11/01/2017 11/03/2017 11/03/2017 0 DIST-A COLIFORM (TCR) Present Present Routine 1711008 Alert TCR0 2017-11-03
Notice - Source COLI17423 11/08/2017 11/13/2017 SRC-AC COLIFORM (TCR) Present Present Assessment 17126101A Notice Source 2017-11-13
IOC CHEM8383 09/04/2018 06/28/2019 06/28/2019 0 EP-A FLUORIDE 3.94 2 4 MG/L 180902101B Alert Chem IOC0 2019-06-28
TCR COLI18595 01/02/2019 01/07/2019 01/07/2019 0 DIST-A COLIFORM (TCR) Present Present Routine 1901056 Alert TCR0 2019-01-07
Notice - Source COLI18684 02/25/2019 02/26/2019 SRC-AC COLIFORM (TCR) Present Present Assessment 1902820 Notice Source 2019-02-26
IOC CHEM8269 02/25/2019 03/20/2019 03/20/2019 0 EP-A FLUORIDE 4.97 2 4 MG/L 190281701A-I Alert Chem CMCL IOC0 2019-03-20
Notice - Sodium CHEM8269 02/25/2019 03/20/2019 03/20/2019 0 EP-A SODIUM 209 20 MG/L 190281701A-I Notice Sodium 2019-03-20
IOC CHEM8363 06/05/2019 06/26/2019 06/26/2019 0 EP-A FLUORIDE 2.88 2 4 MG/L 1906013601A-I Alert Chem IOC0 2019-06-26
TCR COLI19999 07/01/2020 07/02/2020 07/06/2020 4 DIST-A COLIFORM (TCR) Present Present Routine 2007000301 Alert TCR0 2020-07-02
TCR COLI20009 07/02/2020 07/06/2020 07/06/2020 0 DIST-A COLIFORM (TCR) Present Present Repeat 2007008302 Alert TCR0 2020-07-06
TCR COLI20604 12/01/2020 12/02/2020 12/03/2020 1 DIST-A COLIFORM (TCR) Present Present Routine 2012001701 Alert TCR0 2020-12-02
TCR COLI20904 04/01/2021 04/02/2021 04/02/2021 0 DIST-A COLIFORM (TCR) Present Present Routine 2104001101 Alert TCR0 2021-04-02
TCR COLI21944 02/11/2022 02/14/2022 02/14/2022 0 DIST-A COLIFORM (TCR) Present Present Routine 2202061901 Alert TCR0 2022-02-14


More information for this water system: SDWIS ID 3361
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
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
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login