OHA Drinking Water Services
PWS ID: 01233 ---- DEER ISLAND WATERWORKS

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, SODIUM = Sodium*
*Non-alert (water quality notice)
Response Time is the number of days from the alert date to the contact report date.
Results:  20 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)
CHEM1094 12/16/2004 01/14/2005 EP-A EP for WELL CHEM NITRATE (AS N) 75 10
CHEM1924 01/12/2006 02/10/2006 EP-A EP for WELL CHEM NITRATE (AS N) 6.65 10
CHEM5302 01/11/2012 03/07/2012 EP-A EP for WELL CHEM NITRATE (AS N) 6.45 1003/07/20120
CHEM2064 04/13/2006 06/21/2006 EP-A EP for WELL CHEM NITRATE (AS N) 65 10
CHEM1749 08/11/2005 09/29/2005 EP-A EP for WELL CHEM NITRATE (AS N) 5.85 10
CHEM2117 07/13/2006 07/20/2006 EP-A EP for WELL CHEM NITRATE (AS N) 5.65 10
CHEM8710 10/07/2019 11/25/2019 EP-A EP for WELL SODIUM* SODIUM 2020
CHEM1357 08/24/1993 03/21/2005 LCR COPPER 90TH % VALUE 2.461.35
CHEM780 05/13/2004 06/11/2004 EP-A EP for WELL CHEM NITRATE (AS N) 105 10
COLI7557 04/22/2010 04/23/2010 SRC-AA well head COLI COLIFORM, E. COLI Present Present Present
COLI19010 07/10/2019 07/11/2019 DIST-A 64515 Cannon Rd HB COLI COLIFORM, TOTAL (TCR) Present Present Present07/12/20191
COLI16249 11/09/2016 11/10/2016 DIST-A 64515 lwr columbia rvr hwy hb COLI COLIFORM, TOTAL (TCR) Present Present Present11/11/20161
COLI15837 08/10/2016 08/11/2016 DIST-A 64515 columbia river hwy hb COLI COLIFORM, TOTAL (TCR) Present Present Present08/12/20161
COLI15057 12/10/2015 12/11/2015 SRC-AA Well * SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI10682 07/11/2012 07/12/2012 DIST-A hose bib on house COLI COLIFORM, TOTAL (TCR) Present Present Present07/12/20120
COLI9189 05/26/2011 05/27/2011 SRC-AA well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI7557 04/22/2010 04/23/2010 SRC-AA well head SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI5147 04/10/2008 04/11/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present04/14/20083
COLI4921 12/21/2007 12/24/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present12/28/20074
CHEM1357 08/24/1993 03/21/2005 LCR LEAD 90TH % VALUE 0.0260.0155
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
04/29/1998Coliform
12/22/1994Coliform
11/27/1994Coliform
03/04/1994Coliform
02/25/1994Coliform
07/24/1997A--EP for WELLLead0.027 0.015
12/13/2001A--EP for WELLNitrate5.8 10
03/18/1994A--STANDARD ENTRY POINTNitrate7.7 10
12/16/1993A--STANDARD ENTRY POINTNitrate7.5 10
09/16/1993AA--WELLNitrate5.7 10
09/10/1992A--EP for WELLNitrate5.8 10
06/11/1992A--WELLNitrate7.2 10
02/13/1992A--STANDARD ENTRY POINTNitrate7.6 10
04/25/1991A--WELLNitrate9.6 10
09/16/1993AA--WELLNitrate-Nitrite5.7 10



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: 3587