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Los Angeles is the second-largest city in the United States, spanning nearly 500 square miles with an incredibly diverse housing stock. From early 1900s Victorians in Angelino Heights to mid-century homes in the Valley to modern condos downtown, plumbing challenges vary enormously by neighborhood. LADWP serves most of the city with water from the LA Aqueduct, Colorado River, and local groundwater, with hardness ranging from 56 to 220 PPM depending on the source blend in your area.
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Common Plumbing Issues in Los Angeles
Moderately hard to very hard (56-220 PPM depending on zone). LADWP blends water from the LA Aqueduct, Colorado River, State Water Project, and local groundwater. Hardness varies significantly by neighborhood.
Galvanized pipe replacement in pre-1940 homes throughout older neighborhoods
Cast iron drain pipe corrosion in mid-century apartment buildings
Slab leaks in 1950s-1970s ranch homes in the Valley and Westside
Multi-unit plumbing repairs in dense urban apartment complexes
Root intrusion from mature trees into aging clay sewer laterals
Water heater sediment buildup from variable hardness across the city
Los Angeles Water Quality Report
Local water conditions directly affect your plumbing. Here is what Los Angeles homeowners should know.
Water Hardness
hard
Water Source
LADWP blends water from the LA Aqueduct, Colorado River, State Water Project, and local groundwater. Hardness varies significantly by neighborhood depending on the source blend.
What This Means for Your Plumbing
LA's water hardness ranges widely from 56-220 PPM depending on your neighborhood and which water sources are blended for your area. The eastside and Valley tend to get harder water than the Westside. The city's enormous range of housing ages means plumbing issues vary dramatically by neighborhood.
Contaminants of Note
Chromium-6 detected in some service areas
Lead monitored in older service connections
Disinfection byproducts from chloramine treatment
Plumbing Services in Los Angeles
Get matched with a licensed Los Angeles plumber for any of these services.
Emergency Plumbing
24/7 emergency plumbing for burst pipes, major leaks, sewage backups, and flooding. Fast response when every minute counts.
Drain Cleaning
Professional drain cleaning for clogged sinks, showers, tubs, and main sewer lines. From snaking to hydro jetting.
Leak Detection & Repair
Find and fix hidden leaks in walls, under slabs, and in supply lines. Electronic leak detection and professional repair.
Water Heater Service
Water heater repair, replacement, and installation. Tank and tankless models. Restore hot water fast.
Toilet Repair & Installation
Fix running, clogged, or leaking toilets. New toilet installation. Fast service for your most-used fixture.
Hydro Jetting & Sewer Service
High-pressure hydro jetting, sewer camera inspection, and sewer line repair. Clear tough blockages and diagnose pipe problems.
Slab Leak Detection & Repair
Electronic slab leak detection and repair for pipes under your foundation. Stop hidden water damage before it spreads.
Pipe Repair & Repiping
Repair leaking pipes or repipe your entire home. Upgrade from galvanized, polybutylene, or failing copper to modern materials.
Garbage Disposal Repair & Installation
Repair jammed, leaking, or noisy garbage disposals. New installation and replacement with same-day service.
Sewer Line Repair & Replacement
Sewer line repair, replacement, and trenchless relining. Fix backups, root intrusion, and collapsed pipes.
Water Filtration & Softener Installation
Whole-house water filtration and softener systems. Improve water quality, protect appliances, and extend plumbing life.
Gas Line Repair & Installation
Gas line leak repair, new line installation, and gas appliance connections. Licensed gas plumbers for safe, code-compliant work.
Los Angeles Neighborhoods We Serve
Zip codes covered: 90001, 90012, 90015, 90024, 90027, 90034, 90041, 90042, 90049, 90064