OHA Drinking Water Services
PWS ID: 00302 ---- SOUTH COAST WATER COMPANY

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:  20 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
LCRE27264 06/01/2020 07/13/2020 EP-A EP FOR WOAHINK LAKE LCRE LCR EXCURSION8>0 08/27/2020
LCRE27447 07/01/2020 08/11/2020 EP-A EP FOR WOAHINK LAKE LCRE LCR EXCURSION5>0 08/27/2020
LCRE11546 07/01/2010 08/17/2010 EP-A EP FOR WOAHINK LAKE LCRE LCR EXCURSION5>0
LCRE17868 02/01/2015 03/10/2015 EP-A EP FOR WOAHINK LAKE LCRE LCR EXCURSION3>0
CHEM1201 02/16/1999 03/21/2005 LCR COPPER 90TH % VALUE 1.91.35
CHEM1201 04/06/2000 03/21/2005 LCR COPPER 90TH % VALUE 1.41.35
COLI14653 09/08/2015 09/10/2015 DIST-A 83351 parkway hb COLI COLIFORM, E. COLI Present Present Present09/10/2015
COLI14653 09/08/2015 09/10/2015 DIST-A 83351 parkway hb COLI COLIFORM, TOTAL (TCR) Present Present Present09/10/2015
LCRE18707 09/01/2015 10/09/2015 EP-A EP FOR WOAHINK LAKE LCRE LCR EXCURSION1>0
CHEM7935 05/08/2018 05/21/2018 DIST-A DISTRIBUTION SYSTEM CHEM TOTAL TRIHALOMETHANES (TTHM) 0.1010.08 0.08
CHEM911 08/11/2004 10/19/2004 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.1010.08 0.08
CHEM6433 08/26/2014 09/16/2014 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.09120.08 0.08
CHEM2873 12/11/2007 03/11/2008 LCR LEAD 90TH % VALUE 0.0790.0155
CHEM5894 07/05/2013 08/23/2013 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0740.06 0.0609/05/2013
CHEM6311 05/13/2014 06/09/2014 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07350.06 0.06
CHEM7947 05/08/2018 05/24/2018 DIST-A DISTRIBUTION SYSTEM CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.07230.06 0.06
CHEM7163 05/17/2016 06/01/2016 DIST-A DISTRIBUTION SYSTEM CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06350.06 0.06
CHEM6639 02/10/2015 02/24/2015 DIST-A DISTRIBUTION SYSTEM CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06270.06 0.06
CHEM1677 09/17/2003 07/29/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.06020.06 0.06
CHEM1023 08/11/2004 12/10/2004 EP-A EP for SILTCOOS LAKE CHEM HEXACHLOROCYCLOPENTADIENE 0.0001310.0001 0.05


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
04/30/1997Coliform
07/12/1994Coliform
07/05/1994Coliform
09/19/2001A--EP for SILTCOOS LAKESodium21


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: 3953
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