PWS ID: 00493 ---- LYONS MEHAMA WATER DISTRICT

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, LCRE = Lead and copper corrosion control
Results:  17 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
LCRE27508 07/01/2020 08/20/2020 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0 08/25/2020
LCRE15156 03/01/2013 04/03/2013 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0
CHEM5088 09/07/2011 10/07/2011 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 90.06 0.0610/07/2011
CHEM4611 11/03/2010 12/15/2010 EP-A EP for NORTH SANTIAM RIVER CHEM TETRACHLOROETHYLENE 0.00050.0005 0.005
LCRE11431 06/01/2010 07/28/2010 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0
COLI6808 09/17/2009 09/22/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present09/23/2009
LCRE7675 02/01/2007 03/02/2007 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0
LCRE2435 12/01/2006 02/02/2007 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0
LCRE6940 02/01/2006 03/07/2006 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0
LCRE1750 01/01/2006 02/24/2006 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0
COLI2347 08/18/2005 08/25/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
LCRE6246 10/01/2004 11/03/2004 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0
LCRE6127 08/01/2004 09/09/2004 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0
LCRE5977 06/01/2004 07/07/2004 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION1>0
LCRE5557 01/01/2004 02/05/2004 EP-A EP for NORTH SANTIAM RIVER LCRE LCR EXCURSION3>0
CHEM1231 08/10/1999 03/21/2005 LCR COPPER 90TH % VALUE 3.21.35
CHEM1231 12/03/1996 03/21/2005 LCR COPPER 90TH % VALUE 3.031.35


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
03/17/1998Coliform



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: 3967