OHA Drinking Water Services
OR41
PWS ID: 00252 ---- DAYTON, CITY OF
Water Quality Alerts

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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
TCR ARCHIVE 12/15/1993 01/28/1994 COLIFORM (TCR) Present Present Routine 930935 Alert TCR0 1994-01-28
TCR ARCHIVE 12/15/1993 01/28/1994 COLIFORM (TCR) Present Present Routine 930936 Alert TCR0 1994-01-28
TCR ARCHIVE 08/23/1994 09/14/1994 COLIFORM (TCR) Present Present Routine 940392 Alert TCR0 1994-09-14
ARS ARCHIVE 12/14/2001 01/17/2002 C ARSENIC 0.014 0.01 MG/L A11214AV*C Alert Chem ARS0 2002-01-17
TCR COLI284 06/11/2003 06/16/2003 DIST-A E. COLI Present 0 Routine 350175 Alert TCR0 2003-06-16
TCR COLI284 06/11/2003 06/16/2003 DIST-A E. COLI Present 0 Routine 350176 Alert TCR0 2003-06-16
TCR COLI284 06/11/2003 06/16/2003 DIST-A COLIFORM (TCR) Present Present Routine 350175 Alert TCR0 2003-06-16
TCR COLI284 06/11/2003 06/16/2003 DIST-A COLIFORM (TCR) Present Present Routine 350176 Alert TCR0 2003-06-16
TCR COLI508 08/13/2003 08/21/2003 DIST-A COLIFORM (TCR) Present Present Routine 353554 Alert TCR0 2003-08-21
TCR COLI508 08/16/2003 08/21/2003 DIST-A COLIFORM (TCR) Present Present Repeat 353698 Alert TCR0 2003-08-21
Notice - Sodium CHEM1610 03/08/2005 05/18/2005 EP-B SODIUM 56.2 20 MG/L 05067/11I Notice Sodium 2005-05-18
VOC CHEM1610 03/08/2005 05/18/2005 EP-B XYLENES, TOTAL 0.0021 10 MG/L 05067/11V Alert Chem VOC0 2005-05-18
Notice - Sodium CHEM1705 07/22/2005 08/16/2005 EP-B SODIUM 46.9 20 MG/L 05203/23 Notice Sodium 2005-08-16
Notice - Sodium CHEM1705 07/22/2005 08/16/2005 EP-B SODIUM 38.9 20 MG/L 05203/24 Notice Sodium 2005-08-16
Notice - Sodium CHEM1705 07/22/2005 08/16/2005 EP-B SODIUM 46.2 20 MG/L 05203/25 Notice Sodium 2005-08-16
TCR COLI4521 09/12/2007 09/13/2007 09/13/2007 0 DIST-A E. COLI Present 0 Routine 433451 Alert TCR0 2007-09-13
TCR COLI4521 09/12/2007 09/13/2007 09/13/2007 0 DIST-A COLIFORM (TCR) Present Present Routine 433451 Alert TCR0 2007-09-13
TCR COLI4528 09/13/2007 09/14/2007 DIST-A COLIFORM (TCR) Present Present Repeat 433573 Alert TCR0 2007-09-14
Notice - Sodium CHEM2944 03/12/2008 05/07/2008 EP-B SODIUM 52.6 20 MG/L 0807217-I Notice Sodium 2008-05-07
SOC CHEM2948 03/12/2008 05/08/2008 EP-B DI(2-ETHYLHEXYL) PHTHALATE 0.002 0.006 MG/L 0807217-S Alert Chem SOC0 2008-05-08
DBP CHEM3220 09/26/2008 10/27/2008 10/30/2008 3 DIST-A TTHM 0.0828 0.08 MG/L 0827042 Alert Chem CMCL DBP0 2008-10-27
DBP CHEM3220 09/26/2008 10/27/2008 10/30/2008 3 DIST-A TTHM 0.0912 0.08 MG/L 0827043 Alert Chem CMCL DBP0 2008-10-27
TCR COLI8012 08/04/2010 08/06/2010 08/07/2010 1 DIST-A COLIFORM (TCR) Present Present Routine 804261 Alert TCR0 2010-08-06
TCR COLI8256 09/15/2010 09/20/2010 CH-A1 E. COLI Present 0 Assessment 916111 Alert TCR0 2010-09-20
Notice - Source COLI8256 09/15/2010 09/20/2010 CH-A1 COLIFORM (TCR) Present Present Assessment 916111 Notice Source 2010-09-20
Notice - Source COLI8453 10/13/2010 10/15/2010 10/13/2010 -2 CH-A1 COLIFORM (TCR) Present Present Assessment 1013401 Notice Source 2010-10-15
Notice - Source COLI8647 11/11/2010 11/16/2010 CH-A1 COLIFORM (TCR) Present Present Assessment 11112002 Notice Source 2010-11-16
Notice - Source COLI8647 11/11/2010 11/16/2010 SRC-AC COLIFORM (TCR) Present Present Assessment 11112001 Notice Source 2010-11-16
Notice - Source COLI8744 12/08/2010 12/10/2010 SRC-AD COLIFORM (TCR) Present Present Assessment 12090102 Notice Source 2010-12-10
Notice - Source COLI8884 01/05/2011 01/10/2011 CH-A1 COLIFORM (TCR) Present Present Assessment 101060802 Notice Source 2011-01-10
Notice - Source COLI8884 01/05/2011 01/10/2011 SRC-AC COLIFORM (TCR) Present Present Assessment 101060801 Notice Source 2011-01-10
Notice - Source COLI9037 01/19/2011 03/22/2011 CH-A1 COLIFORM (TCR) Present Present Assessment 101200202 Notice Source 2011-03-22
Notice - Source COLI9037 02/02/2011 03/22/2011 CH-A1 COLIFORM (TCR) Present Present Assessment 102030401 Notice Source 2011-03-22
Notice - Source COLI9168 05/11/2011 05/16/2011 CH-A1 COLIFORM (TCR) Present Present Assessment 105120601 Notice Source 2011-05-16
Notice - Source COLI9248 06/08/2011 06/15/2011 SRC-AC COLIFORM (TCR) Present Present Assessment 106090202 Notice Source 2011-06-15
TCR COLI9420 07/20/2011 07/22/2011 CH-A1 E. COLI Present 0 Assessment 107202803 Alert TCR0 2011-07-22
Notice - Source COLI9420 07/20/2011 07/22/2011 CH-A1 COLIFORM (TCR) Present Present Assessment 107202803 Notice Source 2011-07-22
TCR COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 E. COLI Present 0 Confirmation 107222601 Alert TCR0 2011-07-25
TCR COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 E. COLI Present 0 Confirmation 107222602 Alert TCR0 2011-07-25
TCR COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 E. COLI Present 0 Confirmation 107222603 Alert TCR0 2011-07-25
TCR COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 E. COLI Present 0 Confirmation 107222604 Alert TCR0 2011-07-25
TCR COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 E. COLI Present 0 Confirmation 107222605 Alert TCR0 2011-07-25
Notice - Source COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 COLIFORM (TCR) Present Present Confirmation 107222601 Notice Source 2011-07-25
Notice - Source COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 COLIFORM (TCR) Present Present Confirmation 107222602 Notice Source 2011-07-25
Notice - Source COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 COLIFORM (TCR) Present Present Confirmation 107222603 Notice Source 2011-07-25
Notice - Source COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 COLIFORM (TCR) Present Present Confirmation 107222604 Notice Source 2011-07-25
Notice - Source COLI9423 07/22/2011 07/25/2011 07/22/2011 -3 CH-A1 COLIFORM (TCR) Present Present Confirmation 107222605 Notice Source 2011-07-25
TCR COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 E. COLI Present 0 Confirmation 107250301 Alert TCR0 2011-07-27
TCR COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 E. COLI Present 0 Confirmation 107250302 Alert TCR0 2011-07-27
TCR COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 E. COLI Present 0 Confirmation 107250303 Alert TCR0 2011-07-27
TCR COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 E. COLI Present 0 Confirmation 107250304 Alert TCR0 2011-07-27
TCR COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 E. COLI Present 0 Confirmation 107250305 Alert TCR0 2011-07-27
Notice - Source COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 COLIFORM (TCR) Present Present Confirmation 107250301 Notice Source 2011-07-27
Notice - Source COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 COLIFORM (TCR) Present Present Confirmation 107250302 Notice Source 2011-07-27
Notice - Source COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 COLIFORM (TCR) Present Present Confirmation 107250303 Notice Source 2011-07-27
Notice - Source COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 COLIFORM (TCR) Present Present Confirmation 107250304 Notice Source 2011-07-27
Notice - Source COLI9431 07/23/2011 07/27/2011 07/27/2011 0 CH-A1 COLIFORM (TCR) Present Present Confirmation 107250305 Notice Source 2011-07-27
Notice - Source COLI9645 09/14/2011 09/19/2011 CH-A1 COLIFORM (TCR) Present Present Assessment 109143802 Notice Source 2011-09-19
DBP CHEM5888 07/17/2013 08/16/2013 08/16/2013 0 DIST-A TTHM 0.0814 0.08 MG/L WA20000828891-D Alert Chem CMCL DBP0 2013-08-16
TCR COLI12618 02/12/2014 02/14/2014 DIST-A COLIFORM (TCR) Present Present Routine 6392 Alert TCR0 2014-02-14
TCR COLI13927 02/11/2015 02/13/2015 02/13/2015 0 DIST-A E. COLI Present 0 Routine 6283 Alert TCR0 2015-02-13
TCR COLI13927 02/11/2015 02/13/2015 02/13/2015 0 DIST-A COLIFORM (TCR) Present Present Routine 6283 Alert TCR0 2015-02-13
Notice - Source COLI14450 07/29/2015 07/31/2015 SRC-BF COLIFORM (TCR) Present Present Assessment OR10006334723 Notice Source 2015-07-31
LCR CHEM6861 08/19/2015 09/10/2015 DIST-A LEAD SUMMARY 0.009 0.015 MG/L Alert Chem LCR0 2015-09-10
NO2 CHEM7365 09/21/2016 10/24/2016 10/24/2016 0 EP-B NITRITE 0.55 0.5 1 MG/L 1657607 Alert Chem NO20 2016-10-24
Notice - Sodium CHEM7365 09/21/2016 10/24/2016 10/24/2016 0 EP-B SODIUM 54 20 MG/L 1657607-I Notice Sodium 2016-10-24
VOC CHEM7407 09/21/2016 11/22/2016 01/20/2017 59 EP-A XYLENES, TOTAL 0.002 10 MG/L 1657602-V Alert Chem VOC0 2016-11-22
VOC CHEM7712 07/26/2017 10/02/2017 EP-A XYLENES, TOTAL 0.0051 10 MG/L 1741268-V Alert Chem VOC0 2017-10-02
VOC CHEM7749 10/04/2017 11/01/2017 EP-A XYLENES, TOTAL 0.0029 10 MG/L 1760064-V Alert Chem VOC0 2017-11-01
VOC CHEM7862 01/24/2018 02/13/2018 02/16/2018 3 EP-A XYLENES, TOTAL 0.0007 10 MG/L 1805914-V Alert Chem VOC0 2018-02-13
Notice - Source COLI19377 10/02/2019 10/03/2019 SRC-BF COLIFORM (TCR) Present Present Assessment 1973205 Notice Source 2019-10-03
VOC CHEM9134 10/14/2020 11/10/2020 EP-A XYLENES, TOTAL 0.0006 10 MG/L 2069480-V Alert Chem VOC0 2020-11-10
Notice - Source COLI20639 12/09/2020 12/11/2020 SRC-BG COLIFORM (TCR) Present Present Assessment 2082966 Notice Source 2020-12-11
LCR CHEM9367 07/22/2021 07/01/2021 DIST-A LEAD SUMMARY 0.0062 0.015 MG/L Alert Chem LCR0 2021-07-01
VOC CHEM9453 08/18/2021 09/15/2021 EP-A XYLENES, TOTAL 0.0008 10 MG/L 2160113-V Alert Chem VOC0 2021-09-15
Notice - Source COLI21342 09/01/2021 09/03/2021 SRC-BF COLIFORM (TCR) Present Present Assessment 2163693 Notice Source 2021-09-03
Notice - Source COLI21342 09/01/2021 09/03/2021 SRC-BG COLIFORM (TCR) Present Present Assessment 2163696 Notice Source 2021-09-03


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