OHA Drinking Water Services
PWS ID: 00452 ---- LAFAYETTE, CITY OF

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, LCRE = Lead and copper corrosion control, SODIUM = Sodium*
*Non-alert (water quality notice)
Response Time is the number of days from the alert date to the contact report date.
Results:  81 alerts found for this water system.Hide response time
Water Quality Alerts
Alert ID Sample
Date
Alert
Date
Source
ID
Source Name Alert
Type
Contaminant Result Alert
Level
MCL Contact
Report
Response
Time (Days)
CHEM9670 02/02/2022 03/04/2022 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09060.08 0.0803/04/20220
CHEM9555 11/03/2021 11/29/2021 EP-A EP FOR RESERVOIR (TEST BUILDING) CHEM XYLENES 0.00080.0005 1011/30/20211
CHEM9413 08/04/2021 08/12/2021 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08520.08 0.0808/12/20210
CHEM9325 04/27/2021 05/20/2021 EP-A EP FOR RESERVOIR (TEST BUILDING) CHEM XYLENES 0.00080.0005 1005/21/20211
CHEM9248 02/03/2021 02/25/2021 EP-A EP FOR RESERVOIR (TEST BUILDING) CHEM XYLENES 0.00070.0005 1003/01/20214
CHEM9008 07/08/2020 07/23/2020 EP-A EP FOR RESERVOIR (TEST BUILDING) CHEM XYLENES 0.00060.0005 1008/10/202018
CHEM9008 07/08/2020 07/23/2020 EP-A EP FOR RESERVOIR (TEST BUILDING) CHEM XYLENES 0.00060.0005 1008/10/202018
CHEM8932 04/15/2020 04/27/2020 EP-A EP FOR RESERVOIR (TEST BUILDING) CHEM XYLENES 0.00120.0005 10
CHEM8813 12/30/2019 01/15/2020 EP-A EP FOR RESERVOIR (TEST BUILDING) CHEM XYLENES 0.00070.0005 1002/05/202021
CHEM8751 11/12/2019 12/19/2019 EP-A EP FOR RESERVOIR (TEST BUILDING) CHEM XYLENES 0.00090.0005 1012/20/20191
CHEM8251 02/07/2019 02/27/2019 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08870.08 0.0802/25/2019-2
CHEM8249 02/06/2019 02/25/2019 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08280.08 0.0802/25/20190
CHEM8055 08/08/2018 09/06/2018 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09560.08 0.0808/24/2018-13
CHEM8055 08/08/2018 09/06/2018 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.0890.08 0.0808/24/2018-13
CHEM7839 12/28/2017 01/17/2018 EP-C EP FOR CITY PARK WELL CHEM ETHYLBENZENE 0.00610.0005 0.703/28/201870
CHEM7839 12/28/2017 01/17/2018 EP-C EP FOR CITY PARK WELL CHEM TOLUENE 0.00050.0005 103/28/201870
CHEM7839 12/28/2017 01/17/2018 EP-C EP FOR CITY PARK WELL CHEM XYLENES 0.04360.0005 1003/28/201870
CHEM7550 03/29/2017 04/19/2017 EP-C EP FOR CITY PARK WELL CHEM ETHYLBENZENE 0.0020.0005 0.704/20/20171
CHEM7550 03/29/2017 04/19/2017 EP-C EP FOR CITY PARK WELL CHEM TOLUENE 0.0020.0005 104/20/20171
CHEM7550 03/29/2017 04/19/2017 EP-C EP FOR CITY PARK WELL CHEM XYLENES 0.01620.0005 1004/20/20171
CHEM7529 11/22/2016 03/17/2017 EP-C EP FOR CITY PARK WELL CHEM DICHLOROMETHANE 0.0010.0005 0.00503/17/20170
CHEM7529 11/22/2016 03/17/2017 EP-C EP FOR CITY PARK WELL CHEM ETHYLBENZENE 0.00230.0005 0.703/17/20170
CHEM7529 11/22/2016 03/17/2017 EP-C EP FOR CITY PARK WELL CHEM TOLUENE 0.00670.0005 103/17/20170
CHEM7529 11/22/2016 03/17/2017 EP-C EP FOR CITY PARK WELL CHEM XYLENES 0.01420.0005 1003/17/20170
CHEM7453 11/23/2016 12/21/2016 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08150.08 0.0812/23/20162
CHEM7453 11/28/2016 12/21/2016 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08910.08 0.0812/23/20162
CHEM6850 08/06/2015 09/02/2015 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09630.08 0.0809/25/201523
CHEM6850 08/06/2015 09/02/2015 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.8160.08 0.0809/25/201523
CHEM6733 05/07/2015 06/10/2015 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08890.08 0.0807/30/201550
CHEM6733 05/07/2015 06/10/2015 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08710.08 0.0807/30/201550
CHEM6425 08/13/2014 09/05/2014 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09260.08 0.08
CHEM6309 05/21/2014 06/04/2014 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09790.08 0.08
CHEM6227 02/26/2014 03/14/2014 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.10160.08 0.08
CHEM6108 11/25/2013 12/13/2013 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08980.08 0.08
CHEM6093 11/25/2013 12/11/2013 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08910.08 0.08
CHEM5889 07/25/2013 08/16/2013 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09050.08 0.08
CHEM4384 09/15/2010 09/28/2010 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.10480.08 0.0809/28/20100
CHEM1989 04/26/2006 05/11/2006 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08580.08 0.08
CHEM1794 08/31/2005 12/19/2005 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.1560.08 0.08
COLI15053 12/09/2015 12/11/2015 DIST-A Blue Bird Spring COLI COLIFORM, TOTAL (TCR) Present Present Present12/11/20150
COLI14974 11/18/2015 11/20/2015 DIST-A 204 3rd stand pipe COLI COLIFORM, TOTAL (TCR) Present Present Present11/20/20150
COLI14594 08/28/2015 08/31/2015 DIST-A 133 adams st COLI COLIFORM, TOTAL (TCR) Present Present Present09/03/20153
COLI6550 08/05/2009 08/06/2009 DIST-A Distribution System COLI COLIFORM, E. COLI Present Present Present
COLI6550 08/05/2009 08/06/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI4500 09/07/2007 09/10/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI2206 07/12/2005 07/19/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI2203 07/08/2005 07/18/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1191 06/02/2004 06/08/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM4625 09/29/2010 12/22/2010 LCR LEAD 90TH % VALUE 0.0210.0155
CHEM1225 03/21/1995 03/21/2005 LCR COPPER 90TH % VALUE 1.951.35
CHEM1225 03/21/1995 03/21/2005 LCR LEAD 90TH % VALUE 0.0270.0155
LCRE30434 01/01/2022 02/11/2022 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0 02/16/20225
LCRE29730 09/01/2021 10/20/2021 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0 10/20/20210
LCRE28389 01/01/2021 02/08/2021 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION3>0 03/01/202121
LCRE25054 03/01/2019 04/10/2019 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION2>0 04/11/20191
LCRE24616 12/01/2018 01/04/2019 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0 02/14/201941
LCRE24447 11/01/2018 12/05/2018 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0 12/05/20180
LCRE23506 04/01/2018 05/03/2018 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0 05/03/20180
LCRE23292 02/01/2018 03/09/2018 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION2>0 03/28/201819
LCRE22225 06/01/2017 07/06/2017 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0 07/10/20174
LCRE18979 12/01/2015 01/05/2016 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION4>0 01/22/201617
LCRE17664 01/01/2015 02/05/2015 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION3>0
LCRE16621 04/01/2014 05/02/2014 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0
LCRE16495 03/01/2014 04/01/2014 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION5>0
LCRE14819 12/01/2012 01/08/2013 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0
LCRE12288 02/01/2011 03/02/2011 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0
LCRE11278 05/01/2010 06/22/2010 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0 07/16/201024
LCRE10835 01/01/2010 02/02/2010 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION3>0 02/01/2010-1
LCRE9586 01/01/2009 04/08/2009 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION2>0
LCRE8454 03/01/2008 04/17/2008 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION2>0
LCRE7926 12/01/2007 01/04/2008 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION2>0
LCRE2235 02/01/2007 03/15/2007 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0
LCRE7616 01/01/2007 03/01/2007 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION1>0
LCRE2374 11/01/2006 02/02/2007 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION3>0
LCRE7014 12/01/2005 02/24/2006 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION6>0
LCRE1840 01/01/2006 02/24/2006 EP-A EP FROM CONTROL BUILDING LCRE LCR EXCURSION20>0
CHEM8743 11/12/2019 12/16/2019 EP-A EP FOR RESERVOIR (TEST BUILDING) SODIUM* SODIUM 40.520
CHEM8743 11/12/2019 12/16/2019 EP-C EP FOR CITY PARK WELL SODIUM* SODIUM 21.420
COLI22095 05/04/2022 05/06/2022 SRC-AI Well #10 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI14985 11/23/2015 11/30/2015 SRC-AE well #8 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present11/30/20150
COLI14985 11/23/2015 11/30/2015 SRC-AF blue bird spring SOURCE* COLIFORM, TOTAL (TCR) Present Present Present11/30/20150
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
10/25/2001Coliform
10/23/2001Coliform
08/19/1996Coliform
08/15/1996Coliform
12/12/1996B--EP WELL #7Dichloromethane (Methylene Chloride)0.0017 0.005
10/18/2000B--EP WELL #7Gross Alpha, Excl. Radon & U6.56 15
08/16/1991B--EP WELL #7Lead0.028 0.015
08/18/1995B--EP WELL #7Manganese0.43
12/01/1998BA--WELL #7Sodium21.6
08/18/1995B--EP WELL #7Sodium28
08/16/1991B--EP WELL #7Sodium28.82



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: 4296