OHA Drinking Water Services
PWS ID: 00922 ---- VERNONIA, 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, LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control
Results:  6 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
LCRE25715 07/01/2019 08/29/2019 DIST-A Distribution System LCRE LCR EXCURSION3>0 07/27/2020
CHEM935 08/30/2004 10/19/2004 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.07740.08 0.08
CHEM2675 07/17/2007 10/25/2007 LCR LEAD 90TH % VALUE 0.0270.0155 02/06/2008
CHEM1323 08/03/1993 03/21/2005 LCR LEAD 90TH % VALUE 0.0370.0155
CHEM1323 02/27/1994 03/21/2005 LCR LEAD 90TH % VALUE 0.0570.0155
CHEM1323 03/24/1997 03/21/2005 LCR LEAD 90TH % VALUE 0.0190.0155


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
11/20/1996A--ENTRY POINT - WTP1,1,1-Trichloroethane0.001 0.2


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
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