OHA Drinking Water Services
PWS ID: 01309 ---- HAT ROCK WATER COMPANY

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*, SPECIAL = Coliform special sample*, SODIUM = Sodium*
*Non-alert (water quality notice)
Response Time is the number of days from the alert date to the contact report date.
Results:  83 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)
CHEM9308 04/26/2021 05/04/2021 EP-A EP FOR WELL & SPRING CHEM NITRATE (AS N) 5.065 1005/05/20211
CHEM8863 02/05/2020 02/28/2020 EP-A EP FOR WELL & SPRING SODIUM* SODIUM 10720
COLI19434 10/15/2019 10/17/2019 DIST-A 33929 HillTopDr-BathSink#2 COLI COLIFORM, TOTAL (TCR) Present Present Present10/17/20190
COLI19434 10/15/2019 10/17/2019 DIST-A Graham 33956 RvrviewDrKitchSnk COLI COLIFORM, TOTAL (TCR) Present Present Present10/17/20190
COLI19434 10/15/2019 10/17/2019 DIST-A Crosby 33931 RvrviewDrKitchSnk COLI COLIFORM, TOTAL (TCR) Present Present Present10/17/20190
COLI19434 10/15/2019 10/17/2019 SRC-AA Spring #1 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present10/17/20190
COLI19408 10/08/2019 10/10/2019 DIST-A Bath sink #2 COLI COLIFORM, TOTAL (TCR) Present Present Present10/11/20191
COLI19204 06/10/2019 08/29/2019 DIST-A Crosby COLI COLIFORM, TOTAL (TCR) Present Present Present08/29/20190
COLI18906 06/06/2019 06/07/2019 DIST-A Bath Sink #2 COLI COLIFORM, TOTAL (TCR) Present Present Present06/07/20190
CHEM8116 09/24/2018 10/12/2018 EP-A EP FOR WELL & SPRING CHEM NITRATE (AS N) 5.535 1010/12/20180
CHEM7873 02/08/2018 02/23/2018 EP-A EP FOR WELL & SPRING CHEM NITRATE (AS N) 5.785 1002/26/20183
CHEM7675 07/27/2017 08/29/2017 EP-A EP FOR WELL & SPRING CHEM NITRATE (AS N) 6.45 10
CHEM7650 07/27/2017 08/14/2017 EP-A EP FOR WELL & SPRING CHEM NITRATE (AS N) 7.145 10
CHEM7497 02/06/2017 02/08/2017 EP-A EP for SPRING CHEM NITRATE (AS N) 12.65 10
COLI16475 01/05/2017 01/09/2017 DIST-A condit bath sink #2 COLI COLIFORM, TOTAL (TCR) Present Present Present01/05/2017-4
COLI16475 01/05/2017 01/09/2017 DIST-A graham os faucet COLI COLIFORM, TOTAL (TCR) Present Present Present01/05/2017-4
COLI16475 01/05/2017 01/09/2017 DIST-A cullers bath #1 COLI COLIFORM, TOTAL (TCR) Present Present Present01/05/2017-4
COLI16475 01/05/2017 01/09/2017 SRC-AA spring SOURCE* COLIFORM, TOTAL (TCR) Present Present Present01/05/2017-4
COLI16467 01/04/2017 01/05/2017 DIST-A bath sink #2 COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM7197 07/06/2016 07/06/2016 EP-A EP for SPRING CHEM NITRATE (AS N) 11.65 10
COLI15590 06/13/2016 06/15/2016 SRC-AA source SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI15572 06/08/2016 06/10/2016 DIST-A 3356 riverview dr os hydrant COLI COLIFORM, TOTAL (TCR) Present Present Present06/10/20160
CHEM7097 03/31/2016 04/04/2016 EP-A EP for SPRING CHEM NITRATE (AS N) 12.75 1004/01/2016-3
CHEM7078 10/06/2015 03/17/2016 EP-A EP for SPRING CHEM NITRATE (AS N) 9.965 1003/17/20160
CHEM7045 02/02/2015 02/08/2016 EP-A EP for SPRING CHEM NITRATE (AS N) 145 1002/08/20160
CHEM6862 09/08/2015 09/10/2015 EP-A EP for SPRING CHEM NITRATE (AS N) 9.365 1009/10/20150
CHEM6752 07/08/2015 07/09/2015 EP-A EP for SPRING CHEM NITRATE (AS N) 10.55 1007/10/20151
CHEM6676 04/01/2015 04/02/2015 EP-A EP for SPRING CHEM NITRATE (AS N) 10.85 1004/02/20150
CHEM6595 01/09/2015 01/09/2015 EP-A EP for SPRING CHEM NITRATE (AS N) 10.25 10
COLI13741 12/15/2014 12/17/2014 DIST-A bathroom sink COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI13741 12/15/2014 12/17/2014 DIST-A bathroom sink COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI13693 12/09/2014 12/11/2014 DIST-A bathroom sink COLI COLIFORM, TOTAL (TCR) Present Present Present12/12/20141
COLI13693 12/09/2014 12/11/2014 DIST-A bathroom sink COLI COLIFORM, TOTAL (TCR) Present Present Present12/12/20141
COLI13560 11/07/2014 11/10/2014 DIST-A 33931 riverview dr. o/s faucet COLI COLIFORM, TOTAL (TCR) Present Present Present11/10/20140
COLI13560 11/07/2014 11/10/2014 DIST-A 33931 riverview dr. o/s faucet COLI COLIFORM, TOTAL (TCR) Present Present Present11/10/20140
COLI13560 11/07/2014 11/10/2014 DIST-A 33929 hilltop dr bath sink #2 COLI COLIFORM, TOTAL (TCR) Present Present Present11/10/20140
COLI13560 11/07/2014 11/10/2014 DIST-A 33929 hilltop dr bath sink #2 COLI COLIFORM, TOTAL (TCR) Present Present Present11/10/20140
COLI13560 11/07/2014 11/10/2014 DIST-A 34019 riverview dr. o/s faucet COLI COLIFORM, TOTAL (TCR) Present Present Present11/10/20140
COLI13560 11/07/2014 11/10/2014 DIST-A 34019 riverview dr. o/s faucet COLI COLIFORM, TOTAL (TCR) Present Present Present11/10/20140
COLI13560 11/07/2014 11/10/2014 DIST-A 82578 c st. kitchen sink COLI COLIFORM, TOTAL (TCR) Present Present Present11/10/20140
COLI13560 11/07/2014 11/10/2014 DIST-A 82578 c st. kitchen sink COLI COLIFORM, TOTAL (TCR) Present Present Present11/10/20140
COLI13549 11/05/2014 11/07/2014 DIST-A 33929 hilltop dr bat COLI COLIFORM, TOTAL (TCR) Present Present Present11/07/20140
COLI13549 11/05/2014 11/07/2014 DIST-A 33929 hilltop dr bat COLI COLIFORM, TOTAL (TCR) Present Present Present11/07/20140
CHEM6474 09/09/2014 10/15/2014 EP-A EP for SPRING CHEM NITRATE (AS N) 7.725 1009/11/2014-34
CHEM6317 06/11/2014 06/11/2014 EP-A EP for SPRING CHEM NITRATE (AS N) 10.55 10
CHEM6252 03/28/2014 03/28/2014 EP-A EP for SPRING CHEM NITRATE (AS N) 10.95 1003/31/20143
CHEM6223 03/06/2014 03/06/2014 EP-A EP for SPRING CHEM NITRATE (AS N) 11.75 1003/06/20140
CHEM5964 08/02/2013 09/25/2013 EP-A EP for SPRING CHEM NITRATE (AS N) 8.775 1009/10/2013-15
COLI11915 08/02/2013 08/05/2013 DIST-A bathroom #2 sink COLI COLIFORM, TOTAL (TCR) Present Present Present08/06/20131
CHEM5769 05/06/2013 05/10/2013 EP-A EP for SPRING CHEM NITRATE (AS N) 10.45 1005/09/2013-1
CHEM5698 02/13/2013 02/21/2013 EP-A EP for SPRING CHEM NITRATE (AS N) 105 1002/21/20130
CHEM5529 02/08/2011 09/21/2012 EP-A EP for SPRING CHEM NITRATE (AS N) 7.85 1010/11/201220
CHEM5513 09/04/2012 09/17/2012 EP-A EP for SPRING CHEM NITRATE (AS N) 85 1010/11/201224
COLI10901 09/09/2012 09/11/2012 SRC-AA spring SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI10883 09/04/2012 09/06/2012 DIST-A bthrm #2 snk COLI COLIFORM, TOTAL (TCR) Present Present Present09/07/20121
CHEM5397 06/11/2012 06/20/2012 EP-A EP for SPRING CHEM NITRATE (AS N) 9.25 1006/18/2012-2
CHEM5309 03/05/2012 03/16/2012 EP-A EP for SPRING CHEM NITRATE (AS N) 9.65 1003/16/20120
COLI7837 07/01/2010 07/06/2010 SRC-AA well house pre-chl SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
CHEM3953 02/01/2010 02/17/2010 EP-A EP for SPRING CHEM NITRATE (AS N) 6.85 1002/17/20100
COLI6459 07/07/2009 07/14/2009 DIST-A Distribution System SPECIAL* COLIFORM, E. COLI Present Present Present07/14/20090
COLI6459 07/07/2009 07/14/2009 DIST-A Distribution System SPECIAL* COLIFORM, E. COLI Present Present Present07/14/20090
COLI6459 07/07/2009 07/14/2009 DIST-A Distribution System SPECIAL* COLIFORM, TOTAL (TCR) Present Present Present07/14/20090
COLI6459 07/07/2009 07/14/2009 DIST-A Distribution System SPECIAL* COLIFORM, TOTAL (TCR) Present Present Present07/14/20090
COLI6402 07/01/2009 07/06/2009 DIST-A Distribution System COLI COLIFORM, E. COLI Present Present Present
COLI6402 07/02/2009 07/06/2009 DIST-A Distribution System COLI COLIFORM, E. COLI Present Present Present
COLI6402 07/02/2009 07/06/2009 DIST-A Distribution System COLI COLIFORM, E. COLI Present Present Present
COLI6402 07/02/2009 07/06/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI6402 07/02/2009 07/06/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI6402 07/01/2009 07/06/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM3360 02/04/2009 02/12/2009 EP-A EP for SPRING CHEM NITRATE (AS N) 7.255 10
CHEM3141 06/01/2006 08/29/2008 EP-A EP for SPRING CHEM NITRATE (AS N) 95 10
CHEM3053 02/04/2008 08/04/2008 EP-A EP for SPRING CHEM NITRATE (AS N) 75 10
COLI4758 11/01/2007 11/02/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM2421 03/06/2007 04/04/2007 EP-A EP for SPRING CHEM NITRATE (AS N) 75 10
CHEM2421 03/06/2007 04/04/2007 EP-A EP for SPRING SODIUM* SODIUM 13020
COLI3313 08/01/2006 08/02/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI2601 11/02/2005 11/08/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1545 04/07/2005 05/03/2005 EP-A EP for SPRING CHEM NITRATE (AS N) 85 10
CHEM1097 11/04/2004 01/14/2005 EP-A EP for SPRING SODIUM* SODIUM 15020
CHEM757 03/10/2004 05/27/2004 EP-A EP for SPRING CHEM NITRATE (AS N) 65 10
CHEM360 03/05/2003 04/04/2003 EP-A EP for SPRING CHEM NITRATE (AS N) 75 10
CHEM69 03/04/2002 08/19/2002 EP-A EP for SPRING CHEM NITRATE (AS N) 7.35 10
CHEM12 03/04/2002 07/10/2002 EP-A EP for SPRING CHEM NITRATE (AS N) 7.35 10
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
02/08/1999Coliform
01/07/1998Coliform
07/07/1997Coliform
09/20/1995Coliform
09/14/1995Coliform
09/08/1995Coliform
07/07/1994Coliform
05/09/1994Coliform
05/04/1994Coliform
03/08/2001A--EP for SPRINGNitrate7 10
05/08/2000A--EP for SPRINGNitrate8.5 10
06/15/1999A--EP for SPRINGNitrate7.8 10
12/03/1998A--EP for SPRINGNitrate6.8 10
06/02/1998A--EP for SPRINGNitrate8.5 10
11/05/1997A--EP for SPRINGNitrate6.3 10
06/03/1997A--EP for SPRINGNitrate8.7 10
02/03/1997A--EP for SPRINGNitrate5.9 10
12/10/1996A--EP for SPRINGNitrate5.7 10
09/18/1996A--EP for SPRINGNitrate5.5 10
03/29/1995A--EP for SPRINGNitrate6 10
03/08/2001A--EP for SPRINGSodium34


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
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4232
Information by county:
Inventory :: Surface Water Systems :: Water System Surveys :: Outstanding Performers :: Plan Reviews :: System Scores :: Exceedances
Alerts :: Violations :: Compliance & Enforcement :: Significant Deficiencies :: Cross Connection ASRs :: Treatment Plant Inspections :: Fluoride
Water Advisories :: Contact Reports :: Cyanotoxins :: Post-wildfire VOCs
Inventory List for all Oregon Drinking Water Systems in Excel or printable screen format
Lab Help: Tools for Laboratories :: Staff/Partner Login
Introduction :: Data Search Options :: WS Name Look Up :: WS ID Look Up :: DWS Home