NING
R SYSTEM
With much of our combined sewer system well over
70 years old and increasingly at risk for climate-
related impacts, upgrades to our infrastructure are
needed now. The Sewer System Improvement
Program (SSIP) enhances our seismic resilience
and will upgrade our systems with state-of-the-art
technology. The Biosolids Digester Facilities Project
will replace the 65-year-old infrastructure located in
Bayview Hunter’s Point with a new facility designed to
fi t seismic standards and employ advanced treatment
technologies to control odor and recover energy.
The Channel Force Main, the central pipe that
transports over 64% of the City’s wastewater from
bayside homes and businesses to the Southeast
Treatment Plan (SEP), failed during the 1989 Loma
Prieta earthquake and on two other occasions.
While technological advances
and innovation will improve
our ability to protect public
health and the environment,
we recognize and embrace
the simplicity of returning to
our environment’s natural
processes. Our Green
Infrastructure Projects capture and divert
stormwater away from our collection system
while easing traffi c conditions and beautifying
neighborhoods.
We have protected public health for the last century
through operating a sewer system that reliably and
properly treats sewage before returning it to the Bay
and Pacifi c Ocean. With the challenge of rising sea
levels, unpredictable rain storms, and other impacts
of climate change, we continue proactive and thoughtful
adaptation planning to protect the City. Upgrading and
building infrastructure with climate change design
criteria will prepare San Francisco and minimize risks
and impacts now and for future generations.
Join thousands of San Franciscans
and adopt one of the 25,000 storm
drains in the City. Find out what
you can do to keep San Francisco
streets clean and get Rain Ready
at sfwater.org/rainreadysf.
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