OHA Drinking Water Services
PWS ID: 00692 ---- PRESCOTT, 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, LCR = Lead and copper 90th percentile, SODIUM = Sodium*
*Non-alert (water quality notice)
Response Time is the number of days from the alert date to the contact report date.
Results:  38 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)
CHEM9622 01/05/2022 01/12/2022 EP-A EP FOR WELL CHEM ARSENIC 0.0150.0105 0.0101/12/20220
COLI21490 10/06/2021 10/07/2021 DIST-A hb COLI COLIFORM, TOTAL (TCR) Present Present Present10/08/20211
COLI21099 07/07/2021 07/08/2021 DIST-A H.B. COLI COLIFORM, TOTAL (TCR) Present Present Present07/08/20210
CHEM8843 02/05/2020 02/07/2020 EP-A EP FOR WELL CHEM ARSENIC 0.0110.0105 0.0102/07/20200
CHEM8447 08/07/2019 08/15/2019 EP-A EP FOR WELL CHEM ARSENIC 0.0140.0105 0.01
CHEM5812 05/15/2013 06/19/2013 EP-A EP FOR WELL CHEM ARSENIC 0.0320.0105 0.0106/19/20130
CHEM5812 05/15/2013 06/19/2013 EP-A EP FOR WELL SODIUM* SODIUM 60.320 06/19/20130
CHEM5174 12/05/2011 12/14/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0110.0105 0.0112/16/20112
CHEM5174 11/30/2011 12/14/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0250.0105 0.0112/16/20112
CHEM5174 11/30/2011 12/14/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0530.0105 0.0112/16/20112
CHEM5174 12/05/2011 12/14/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0170.0105 0.0112/16/20112
CHEM5174 11/30/2011 12/14/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0290.0105 0.0112/16/20112
CHEM5066 09/01/2011 09/28/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0330.0105 0.0109/30/20112
CHEM5066 09/05/2011 09/28/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0130.0105 0.0109/30/20112
CHEM5066 09/05/2011 09/28/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0140.0105 0.0109/30/20112
CHEM5066 09/05/2011 09/28/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0130.0105 0.0109/30/20112
CHEM5066 09/04/2011 09/28/2011 POU-32 POU - ARSENIC REMOVAL CHEM ARSENIC 0.0110.0105 0.0109/30/20112
CHEM4865 02/27/2010 05/17/2011 POU-35 POU - ARSENIC REMOVAL (UNAPPROVED) CHEM ARSENIC 0.0160.0105 0.0105/23/20116
CHEM4790 02/28/2011 03/14/2011 POU-35 POU - ARSENIC REMOVAL (UNAPPROVED) CHEM ARSENIC 0.0190.0105 0.0103/14/20110
CHEM4452 09/30/2010 10/21/2010 POU POU - ARSENIC REMOVAL CHEM ARSENIC 0.0170.0105 0.0110/22/20101
CHEM4452 09/30/2010 10/21/2010 POU POU - ARSENIC REMOVAL CHEM ARSENIC 0.0220.0105 0.0110/22/20101
CHEM4202 07/01/2010 07/06/2010 EP-A EP FOR WELL CHEM ARSENIC 0.0320.0105 0.0105/26/2010-41
COLI7831 07/01/2010 07/02/2010 DIST-A 72724 haut COLI COLIFORM, TOTAL (TCR) Present Present Present07/15/201013
CHEM4132 06/03/2010 06/10/2010 EP-A EP FOR WELL CHEM ARSENIC 0.040.0105 0.01
CHEM4076 05/06/2010 05/18/2010 POU POU - ARSENIC REMOVAL CHEM ARSENIC 0.0290.0105 0.0105/28/201010
CHEM3583 07/02/2009 07/10/2009 EP-A EP FOR WELL (COLU300) CHEM ARSENIC 0.0310.0105 0.01
CHEM3457 04/02/2009 04/09/2009 EP-A EP FOR WELL (COLU300) CHEM ARSENIC 0.0420.0105 0.0104/04/2009-5
CHEM3359 02/05/2009 02/12/2009 EP-A EP FOR WELL (COLU300) CHEM ARSENIC 0.0340.0105 0.01
COLI6038 01/08/2009 01/09/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present01/09/20090
CHEM3244 11/06/2008 11/19/2008 EP-A EP FOR WELL (COLU300) CHEM ARSENIC 0.0360.0105 0.01
CHEM3217 10/02/2008 10/23/2008 EP-A EP FOR WELL (COLU300) CHEM ARSENIC 0.040.0105 0.0110/14/2008-9
CHEM2659 08/30/2007 10/17/2007 EP-A EP FOR WELL (COLU300) CHEM ARSENIC 0.0290.0105 0.0110/20/20073
CHEM2659 08/30/2007 10/17/2007 EP-A EP FOR WELL (COLU300) SODIUM* SODIUM 5420 10/20/20073
CHEM1282 12/13/1994 03/21/2005 LCR COPPER 90TH % VALUE 1.721.35
CHEM1282 12/25/1996 03/21/2005 LCR LEAD 90TH % VALUE 0.0170.0155
CHEM1282 12/13/1994 03/21/2005 LCR LEAD 90TH % VALUE 0.02250.0155
CHEM813 05/24/2004 07/09/2004 EP-A EP FOR WELL CHEM ARSENIC 0.0280.0105 0.01
CHEM813 05/24/2004 07/09/2004 EP-A EP FOR WELL SODIUM* SODIUM 56.120
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
08/12/1999AA--WELLArsenic0.028 0.05
04/08/1999AA--WELLArsenic0.035 0.05
10/03/2002Coliform
07/29/1998Coliform
05/08/1997Coliform
04/08/1999AA--WELLSodium52.6



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: 3986