Plumbing · Property Services
Greywater & Rainwater Harvesting Systems
Water-wise landscapes and drought rules have pushed many owners to reuse water from the washing machine, bathroom sinks and showers, or to capture the rain that falls on the roof. Done correctly, these systems cut water bills and keep gardens alive. NorTech connects you with vetted licensed plumbers who set their own price, design systems to code and handle permits.
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Greywater: what it is and what qualifies
Greywater is water from laundry, showers and bathroom sinks, not toilets or kitchen sinks. California allows several simple systems without a permit when conditions are met, and more complex ones with a permit. Laundry-to-landscape setups send washing machine water through valves to mulch basins around trees and plants. Plant-friendly soaps are important, and the water must not be stored for long or sprayed. A plumber confirms what is allowed and designs the connections. Share a rough sketch of your yard, the washing machine location and where the downspouts are, so the plumber can plan the simplest and cheapest layout.
Rainwater harvesting for the garden
Rain barrels and cisterns collect roof runoff for irrigation. A roof, gutters, a first-flush diverter and screens keep debris out, and an overflow sends excess water safely away from the foundation. Larger cisterns can feed drip irrigation by gravity or a pump. Rainwater should not be used for drinking unless the system is designed and treated for that. Ask about mosquito screens and winter care, and check local incentives that may help with the cost.
Maintenance, safety and landscape fit
Filters, screens and mulch basins need regular cleaning, and plants should be chosen to tolerate the water they receive. Keep greywater below the surface, away from vegetable roots you eat raw, and away from property lines and wells. The plumber will label pipes, provide a diagram and show you how to switch the system to sewer during rain or when using bleach. Good documentation helps the next owner and any inspector. Keep a simple diagram of valves and diverters in the laundry room, so anyone in the house knows how to switch the system between garden and sewer.
When to book greywater & rainwater harvesting systems
Looking for a licensed plumber? Bigger jobs and anything that needs a permit go to a verified California C-36 contractor. See licensed plumber services.
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