OHA Drinking Water Services
PWS ID: 90595 ---- NESTUCCA VALLEY ELEMENTARY SCHOOL

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*, LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  15 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
COLI19611 12/18/2019 12/19/2019 SRC-AB well 2 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
CHEM8701 09/18/2019 11/20/2019 EP-A EP FOR WELLFIELD (WELLS 1, 2,3) SODIUM* SODIUM 143.520
CHEM8568 09/18/2019 10/07/2019 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.1770.06 0.0610/07/2019
CHEM8568 09/18/2019 10/07/2019 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.2490.08 0.0810/07/2019
COLI16733 05/08/2017 05/10/2017 DIST-A kitchen COLI COLIFORM, TOTAL (TCR) Present Present Present05/16/2017
COLI11585 03/28/2013 04/03/2013 SRC-AC well #3 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI9882 10/28/2011 11/01/2011 SRC-AC well #3 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
CHEM4702 12/21/2010 01/13/2011 EP-A EP FOR WELLFIELD (WELLS 1, 2,3) SODIUM* SODIUM 132.520
LCRE1469 08/01/2005 09/20/2005 EP-A EP FOR WELLS 3 & 4 LCRE LCR EXCURSION31>0
CHEM1009 09/08/2004 11/19/2004 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.33750.08 0.08
CHEM231 12/10/2002 12/11/2002 LCR LEAD 90TH % VALUE 0.019750.0155
CHEM1399 09/09/1999 03/21/2005 LCR LEAD 90TH % VALUE 0.140.0155
CHEM1399 09/18/1998 03/21/2005 LCR LEAD 90TH % VALUE 0.0220.0155
CHEM1596 11/04/1996 05/11/2005 LCR LEAD 90TH % VALUE 0.04470.0155
CHEM1399 11/16/1993 03/21/2005 LCR LEAD 90TH % VALUE 0.0290.0155
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
09/13/1994Coliform
09/17/1993Coliform
09/16/1993Coliform
09/15/1993Coliform
06/19/2001A--WELLFIELD (WELLS 1, 2,3)Selenium0.037 0.05
06/19/2001A--WELLFIELD (WELLS 1, 2,3)Sodium78.9
02/26/1996AC--WELL #3Sodium88.1
03/22/1993A--WELLFIELD (WELLS 1, 2,3)Sodium26


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: 718
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Water Advisories :: Contact Reports :: Cyanotoxins :: Post-wildfire VOCs
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