ENU Comments on SW Sewer extension proposed to trench through Chatham Plume areas

Escondido
Neighbors United (ENU) filed this letter today ENU Comments Sewer MND on the SW Sewer replacement
project.  This project has potentially very serious implications for human
health and the Chatham plume.  We encourage everyone who lives along this route to review and comment on this project. Comments due April 1.

Our concerns
include these:
·        
The
route of the project is over 3.4 miles through neighborhoods and areas where
the Chatham contaminated waste plume has been extensively
documented.   This includes almost two miles of new sewer pipe down
Park Drive and Felicita Road. 
·        
This
project will trench 14 feet into areas where groundwater and soil vapors are
known to be at levels of 4-7 feet in some areas. 
·        
The
project does not propose any response plan unless groundwater is reached—a
condition that, based on the data, is almost guaranteed along the 3.4 mile
route. 
·        
The
potential to expose workers and neighbors to soil vapors could occur even in
areas where groundwater is not reached and, again, with no plan or mitigation
in place.   Many of these
chemicals are listed known or probable carcinogens and reproductive toxins.
·        
The
extensive Hargis Studies were not consulted (only one map) and an initial
discussion of the full extent of the relevant aspects of the contamination is not included. 
·        
There
is no assessment of health risks from or exposure to soil vapors.
·        
They
will only develop a plan to address contaminated groundwater if they hit
it…which is almost guaranteed…thus leaving the site open for an unknown period
of time.  They should figure this out in advance.
·        
Trenching
for new sewer lines in new areas runs the risk of acting as a french drain collecting contaminated groundwater and
transporting it to other areas where the groundwater is not contaminated or
facilitate the movement of it downgradient and toward the lake.   None
of this is addressed in the document.
·        
This
project should be subject to an EIR or, at least, a full and complete analysis .
There are many additional other concerns that we list in our letter. 
Here are the links
to the project.

Here is the notice Sewer Project Notice
Here is the  Draft Envl Document SW Sewer Replacement Mitigated Negative
Declaration

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