OHA Drinking Water Services
PWS ID: 91712 ---- SEVEN OAK MIDDLE 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:  LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control
Results:  11 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
LCRE28831 04/01/2021 05/05/2021 EP-A EP for WELL #1 LCRE LCR EXCURSION5>0 05/07/2021
LCRE28732 03/01/2021 04/09/2021 EP-A EP for WELL #1 LCRE LCR EXCURSION1>0 04/14/2021
LCRE28731 02/01/2021 04/09/2021 EP-A EP for WELL #1 LCRE LCR EXCURSION5>0 04/14/2021
LCRE28730 01/01/2021 04/09/2021 EP-A EP for WELL #1 LCRE LCR EXCURSION28>0 04/14/2021
LCRE28729 10/01/2020 04/09/2021 EP-A EP for WELL #1 LCRE LCR EXCURSION26>0 04/14/2021
LCRE18133 04/01/2015 06/03/2015 EP-A EP for WELL #1 LCRE LCR EXCURSION7>0 06/17/2015
LCRE15086 02/01/2013 03/08/2013 EP-A EP for WELL #1 LCRE LCR EXCURSION1>0 03/18/2013
LCRE14999 01/01/2013 02/15/2013 EP-A EP for WELL #1 LCRE LCR EXCURSION2>0
CHEM5641 06/11/2012 12/19/2012 LCR LEAD 90TH % VALUE 0.05840.0155 12/20/2012
CHEM1418 12/27/1993 03/21/2005 LCR LEAD 90TH % VALUE 0.0170.0155
LCRE4407 01/01/2004 02/10/2004 EP-A EP for WELL #1 LCRE LCR EXCURSION1>0


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
01/25/2002Coliform
01/18/2002Coliform
01/11/2002Coliform
01/08/2002Coliform
02/14/1996Coliform
04/11/2000AA--WELL #1Lead0.0196 0.015
04/11/2000AA--WELL #1Pentachlorophenol8e-005 0.001
06/05/1996AA--WELL #1Tetrachloroethylene0.001 0.005
02/14/1996AA--WELL #1Tetrachloroethylene0.0016 0.005
12/28/1995AA--WELL #1Tetrachloroethylene0.0015 0.005
01/14/1994AA--WELL #1Tetrachloroethylene0.0007 0.005



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: 998