OHA Drinking Water Services
PWS ID: 01158 ---- NORTH CORVALLIS MHP-WELL #1

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:  SOURCE = Coliform source sample*, LCR = Lead and copper 90th percentile, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  5 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
CHEM7889 02/15/2018 03/12/2018 EP-A EP FOR WELL #1 SODIUM* SODIUM 24.520
CHEM6932 09/29/2015 11/02/2015 LCR LEAD 90TH % VALUE 0.030.0155 11/03/2015
CHEM4470 09/22/2010 10/25/2010 EP-A EP FOR WELL #1 SODIUM* SODIUM 5820
COLI7967 07/27/2010 07/30/2010 SRC-AA WELL #1 (BENT 289) SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
CHEM549 09/19/2003 10/27/2003 LCR LEAD 90TH % VALUE 0.0340.0155
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
06/26/2001A--EP FOR WELL #1Phthalates (Di(2-Ethylhexyl))0.0026 0.006
06/26/2001A--EP FOR WELL #1Sodium73.1
05/05/1998AA--WELL #1Sodium21.2
07/13/1993A--EP FOR WELL #1Sodium105.6
08/26/1991A--EP FOR WELL #1Sodium65.2



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
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3561