PWS ID: 00580 ---- NORTH CLACKAMAS COUNTY WC

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
Results:  7 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
CHEM8884 03/04/2020 03/20/2020 EP-B EP FOR CLACKAMAS RIVER CHEM TOLUENE 0.00050.0005 103/23/2020
CHEM2221 04/18/2006 10/20/2006 LCR LEAD 90TH % VALUE 0.0360.0155
COLI2682 11/01/2005 12/07/2005 DIST-A Distribution System COLI COLIFORM, E. COLI Present Present Present
COLI2682 11/01/2005 12/07/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1712 05/17/2005 08/16/2005 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08820.08 0.08
CHEM1255 04/12/2000 03/21/2005 LCR LEAD 90TH % VALUE 0.0460.0155
CHEM1255 04/24/2001 03/21/2005 LCR LEAD 90TH % VALUE 0.0310.0155


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
11/06/2001Coliform
10/23/2001Coliform
03/20/2001Coliform
10/05/1999Coliform
09/15/1998Coliform
02/03/1998Coliform
08/26/1997Coliform
11/12/1996Coliform
11/24/1995Coliform
11/21/1995Coliform
11/29/1994Coliform
03/29/1994Coliform
12/14/1993Coliform
12/07/1993Coliform



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
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: 4299