OHA Drinking Water Services
PWS ID: 00932 ---- WARRENTON, 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
Results:  18 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Date
Alert
Date
Source
ID
Source Name Alert
Type
Contaminant Result Alert
Level
MCL Contact
Report
COLI19177 08/21/2019 08/23/2019 DIST-A Jetty St COLI COLIFORM, TOTAL (TCR) Present Present Present08/23/2019
COLI19177 08/21/2019 08/23/2019 DIST-A Ridge Rd COLI COLIFORM, TOTAL (TCR) Present Present Present08/23/2019
COLI19185 08/22/2019 08/23/2019 DIST-A Jetty sink COLI COLIFORM, TOTAL (TCR) Present Present Present08/23/2019
COLI13954 02/18/2015 02/19/2015 DIST-A Reed & Herlig COLI COLIFORM, TOTAL (TCR) Present Present Present02/20/2015
COLI5177 05/01/2008 05/02/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present05/06/2008
CHEM2038 05/25/2006 06/15/2006 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.1130.06 0.06
CHEM1629 04/21/2005 06/03/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06160.06 0.06
CHEM1629 04/21/2005 06/03/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06690.06 0.06
CHEM1629 04/21/2005 06/03/2005 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.1070.08 0.08
CHEM1629 04/21/2005 06/03/2005 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09950.08 0.08
CHEM1531 03/11/2004 04/21/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0870.06 0.06
CHEM1531 09/02/2004 04/21/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.1110.06 0.06
CHEM1531 06/03/2004 04/21/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06920.06 0.06
CHEM1531 06/03/2004 04/21/2005 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09040.08 0.08
CHEM1531 09/02/2004 04/21/2005 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08680.08 0.08
CHEM579 11/06/2003 12/03/2003 EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) CHEM XYLENES 0.00060.0005 10
CHEM518 08/14/2003 09/18/2003 EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) CHEM XYLENES 0.00140.0005 10
CHEM452 06/19/2003 07/23/2003 EP-A EP FOR WTP (LEWIS & CLARK RIVER/CREEK) CHEM XYLENES 0.00060.0005 10


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
06/15/2000Coliform
08/19/1999Coliform
01/06/1994Coliform
06/03/2001A--EP FOR WTP (LEWIS & CLARK RIVER/CREEK)Combined Radium (-226 & -228)2.93 5
10/19/2000A--EP FOR WTP (LEWIS & CLARK RIVER/CREEK)Gross Alpha, Excl. Radon & U7.7 15



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: 3918