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Pacific Southwest, Region 9: Superfund

Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations

San Fernando Valley (All Areas)

Superfund Site

An index to all the plume maps for the San Fernando Valley Superfund site

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.


The water quality data collected through the EPA's Water Quality Monitoring Program for over 500 wells are used to map the extent of TCE, PCE, and Nitrate (NO3) contamination in groundwater. The data is divided into two groups of hydrologic zones, shallow and deep based on the condition of groundwater levels. One map for each zone and each of these contaminants is produced annually or bi-yearly depending on the sampling events during the year.

The plumes maps of these contaminants are available as .JPG files up through 1997, after which they are available as .PDF files. Both formats can be viewed and printed. These maps are 11" x 17" colored in landscape orientation. You may have to make some changes in the page setup of your printer before you print them.


Trichloroethylene (TCE)

Perchloroethylene (PCE)

Nitrate (NO3)

Annual, 1990

Annual, 1990

1990 - No Data

Annual, 1991

Annual, 1991

1991 - No Data

Fall, 1992 Deep

Fall, 1992 Deep

Fall, 1992 Deep

Spring, 1992 Deep

Spring, 1992 Deep

Spring, 1992 Deep

Fall, 1993 Deep

Fall, 1993 Deep

Fall, 1993 Deep

Spring, 1993 Deep

Spring, 1993 Deep

Spring, 1993 Deep

Fall, 1994 Deep

Fall, 1994 Deep

Fall, 1994 Deep

Spring, 1994 Deep

Spring, 1994 Deep

Spring, 1994 Deep

Fall, 1995 Deep

Fall, 1995 Deep

Fall, 1995 Deep

Spring, 1995 Deep

Spring, 1995 Deep

Spring, 1995 Deep

Annual, 1996 Deep

Annual, 1996 Deep

Annual, 1996 Deep

Fall, 1992 Shallow

Fall, 1992 Shallow

Fall, 1992 Shallow

Spring, 1992 Shallow

Spring, 1992 Shallow

Spring, 1992 Shallow

Fall, 1993 Shallow

Fall, 1993 Shallow

Fall, 1993 Shallow

Spring, 1993 Shallow

Spring, 1993 Shallow

Spring, 1993 Shallow

Fall, 1994 Shallow

Fall, 1994 Shallow

Fall, 1994 Shallow

Spring, 1994 Shallow

Spring, 1994 Shallow

Spring, 1994 Shallow

Fall, 1995 Shallow

Fall, 1995 Shallow

Fall, 1995 Shallow

Spring, 1995 Shallow

Spring, 1995 Shallow

Spring, 1995 Shallow

Annual, 1996 Shallow

Annual, 1996 Shallow

Annual, 1996 Shallow

Annual, 1997 Shallow

Annual, 1997 Shallow

Annual, 1997 Shallow

Annual, 1997 Deep

Annual, 1997 Deep

Annual, 1997 Deep

Annual, 1998 Shallow

Annual, 1998 Shallow

Annual, 1998 Shallow

Annual, 1998 Deep

Annual, 1998 Deep

Annual, 1998 Deep



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