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How do sewers work near sea level (lemmy.one)

submitted 11 months ago by [email protected] to c/asklemmy

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I'm spending a week in La Jolla, CA, USA, about 15ft above sea level and I'm wondering where the sewage goes? There's no room between here and the sea for a treatment plant. There's pretty big apartment complexes and hotels that would need enormous septic tanks. How does it work?

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[–] [email protected] 6 points 11 months ago

Found more info on a project called Pipeline Rehabilitation Y-1.

"Project Background

The City of San Diego has more 3,000 miles of wastewater pipelines that help dispose of sewage for more than 2 million residents of San Diego County. Some pipelines are more than 100 years old, are deteriorating, and are in need of replacement, repair and upgrades. To avoid future service disruptions, such as sewer main stoppages and spills, the aging pipelines are replaced or rehabilitated. The new pipelines will bring the existing sewer mains up to modern standards, accommodate community growth and reduce maintenance requirements. Project Overview

The project is located in Council District 1 within the La Jolla and University City community areas. The project will rehabilitate 41,846 linear feet (7.93 miles) of existing 8-inch and 10-inch sewer mains within the City's right of way. The project will also:

Connect laterals to the rehabilitated mains;
Install cleanouts;
Rehabilitate or replace manholes;
Conduct spot repairs to existing sewer mains, which will require some excavation;
Install or replace curb ramp where required;
Resurface streets impacted streets;
And restore disturbed areas to their original condition."

https://www.sandiego.gov/cip/projectinfo/featuredprojects/pipelinerehaby1

Random cool thing I found was that Point La Jolla has a seasonal closure due to sea lion pupping season, which takes place between May and October. https://www.sandiego.gov/park-and-recreation/point-lajolla**___**