Water Quality Alerts | |||||||||||
Alert ID | Sample Date |
Alert Date |
Source ID |
Source Name | Alert Type |
Contaminant | Result | Alert Level |
MCL | Contact Report | |
---|---|---|---|---|---|---|---|---|---|---|---|
CHEM9140 | 10/21/2020 | 11/18/2020 | EP-A | EP FOR COLUMBIA RIVER | CHEM | ETHYLBENZENE | 0.0014 | 0.0005 | 0.7 | ||
CHEM9140 | 10/21/2020 | 11/18/2020 | EP-A | EP FOR COLUMBIA RIVER | CHEM | XYLENES | 0.0121 | 0.0005 | 10 | ||
CHEM9027 | 07/22/2020 | 08/21/2020 | EP-A | EP FOR COLUMBIA RIVER | CHEM | ETHYLBENZENE | 0.0054 | 0.0005 | 0.7 | 08/24/2020 | |
CHEM9027 | 07/22/2020 | 08/21/2020 | EP-A | EP FOR COLUMBIA RIVER | CHEM | XYLENES | 0.052 | 0.0005 | 10 | 08/24/2020 | |
CHEM9020 | 07/24/2019 | 08/13/2020 | DIST-A | DISTRIBUTION SYSTEM | CHEM | TOTAL TRIHALOMETHANES (TTHM) | 0.1201 | 0.08 | 0.08 | ||
CHEM8909 | 03/25/2020 | 04/07/2020 | EP-A | EP FOR COLUMBIA RIVER | CHEM | ETHYLBENZENE | 0.00054 | 0.0005 | 0.7 | 12/24/2019 | |
CHEM8909 | 03/25/2020 | 04/07/2020 | EP-A | EP FOR COLUMBIA RIVER | CHEM | XYLENES | 0.0038 | 0.0005 | 10 | 12/24/2019 | |
CHEM8768 | 12/04/2019 | 12/24/2019 | EP-A | EP FOR COLUMBIA RIVER | CHEM | XYLENES | 0.00239 | 0.0005 | 10 | 12/24/2019 | |
CHEM8689 | 10/09/2019 | 11/15/2019 | EP-A | EP FOR COLUMBIA RIVER | CHEM | ETHYLBENZENE | 0.0023 | 0.0005 | 0.7 | 11/18/2019 | |
CHEM8689 | 10/09/2019 | 11/15/2019 | EP-A | EP FOR COLUMBIA RIVER | CHEM | XYLENES | 0.0156 | 0.0005 | 10 | 11/18/2019 | |
COLI6967 | 10/14/2009 | 10/19/2009 | DIST-A | Distribution System | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 10/20/2009 | |
COLI6646 | 08/13/2009 | 08/19/2009 | DIST-A | Distribution System | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 08/21/2009 | |
COLI5387 | 07/14/2008 | 07/16/2008 | DIST-A | Distribution System | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 07/17/2008 | |
COLI4515 | 09/10/2007 | 09/12/2007 | DIST-A | Distribution System | COLI | COLIFORM, E. COLI | Present | Present | Present | ||
COLI4515 | 09/10/2007 | 09/12/2007 | DIST-A | Distribution System | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | ||
Archived Alerts (SWS database) | |||||
Date | Source | Chemical | Results mg/l | MCL mg/l | |
---|---|---|---|---|---|
04/08/1996 | Coliform | ||||
01/08/1996 | Coliform | ||||
02/07/1995 | A--EP FOR COLUMBIA RIVER | Dichloromethane (Methylene Chloride) | 0.0004 | 0.005 | |
11/12/2001 | A--EP FOR COLUMBIA RIVER | Tetrachloroethylene | 0.0005 | 0.005 | |
11/25/1997 | A--EP FOR COLUMBIA RIVER | Tetrachloroethylene | 0.0003 | 0.005 | |
09/03/1996 | A--EP FOR COLUMBIA RIVER | Tetrachloroethylene | 0.002 | 0.005 | |
11/16/1995 | A--EP FOR COLUMBIA RIVER | Tetrachloroethylene | 0.0017 | 0.005 | |
11/16/1995 | A--EP FOR COLUMBIA RIVER | Tetrachloroethylene | 0.0018 | 0.005 | |
06/15/1995 | A--EP FOR COLUMBIA RIVER | Tetrachloroethylene | 0.0015 | 0.005 | |
06/15/1995 | A--EP FOR COLUMBIA RIVER | Tetrachloroethylene | 0.0016 | 0.005 | |
02/07/1995 | A--EP FOR COLUMBIA RIVER | Tetrachloroethylene | 0.0007 | 0.005 | |
08/05/1991 | A--PGE-BEAVER GENERATING STATION | Tetrachloroethylene | 0.005 | 0.005 | |
09/03/1996 | A--EP FOR COLUMBIA RIVER | Trichloroethylene | 0.0006 | 0.005 | |
11/16/1995 | A--EP FOR COLUMBIA RIVER | Trichloroethylene | 0.0005 | 0.005 | |
02/07/1995 | A--EP FOR COLUMBIA RIVER | Trichloroethylene | 0.0002 | 0.005 |