Sewer Line Repair in El Cajon, CA

Is this my problem or the city's?

Look outside first. If sewage is coming out of a manhole, running down the gutter or backing up at several houses on the block, it belongs to the city. El Cajon asks residents to report sewer overflows to Public Works Operations at 619-441-1658 during business hours and to El Cajon Police at 619-579-3311 after hours. If the street is fine and only your house has backed-up drains, the blockage or break is almost certainly in your own lateral, and that's work for a plumber.

How old are the sewer lines under El Cajon homes?

Census data shown by City-Stats puts the median El Cajon home at about 1974, so a large share of houses in the valley still drain through their original lines. Pipe from that era is often clay or cast iron. Clay joints let roots in, and cast iron corrodes and scales from the inside until paper and grease start catching. Houses that have been remodeled may have a mix, with newer plastic under the house tied into an older clay lateral in the yard, and the transition fitting is a common failure point.

Will the city look at my lateral?

The City of El Cajon lists sewer lateral inspections among the services of its wastewater division, so it's worth asking the city about that when you're buying, selling or planning a remodel. For an active backup, call a plumber: the line gets cleared, a camera shows whether roots, a sag, a crack or a collapse is to blame, and you get repair options based on what's actually down there. Signs that point to the lateral rather than a single fixture:

• Water coming up in a tub or shower when a toilet flushes
• Gurgling in several drains at once
• A clog that returns soon after clearing
• Sewage odor near the yard cleanout

A note on permits

Replacing a section of sewer pipe goes beyond a clog repair. The City of El Cajon Building Safety Division (619-441-1726) handles permits and plan check, with submittals through its online Project Assistance Center. Ask the plumber whether your repair needs a permit and who will file it, and keep the inspection record with your house papers for the next time the property changes hands.