Best Water for Off-Grid Living in California — 16 verified

All 16 Resources

• ProOne Gravity Water Filters (nationwide) — ProOne makes premium gravity-fed water filters using their proprietary G2.0 hollow fiber and composite shell technology. Their Big+ and Traveler systems remove
• US Water Systems (nationwide) — US Water Systems provides custom-engineered water filtration and treatment systems for well water, rural properties, and off-grid homes. They offer iron filters
• Rain Harvesting Supplies (nationwide) — Rain Harvesting Supplies offers complete rainwater collection systems, storage tanks, first-flush diverters, and filtration components for off-grid properties.
• National Ground Water Association (nationwide) — The NGWA is the authoritative resource for well drilling information in the US. Use their certified contractor directory to find licensed well drillers in any s
• Doulton Water Filters (nationwide) — Doulton ceramic water filters have been made in England since 1826 and are trusted by off-grid users worldwide. Their Imperial and Gravity filters use ceramic c
• WECO Filters (nationwide) — WECO makes high-capacity reverse osmosis systems and water filters specifically designed for rural and off-grid applications with high-iron or high-sediment wat
• HarvestH2O (nationwide) — HarvestH2O is the leading online resource for rainwater harvesting information, state-by-state legality guides, system design calculators, and component sourcin
• Simmons Industries Well Pumps (nationwide) — Simmons Industries has manufactured cast-iron hand pumps for shallow wells since the 1900s. Their Simple Pump and Bison Pump hand pump systems are popular with
• FilterWater.com (nationwide) — FilterWater.com is a comprehensive online retailer specializing in water filtration equipment for residential and off-grid use. Their selection covers UV steril
• Fain Drilling & Pump Co. — Family-owned Southern California water well drilling company based in Valley Center with over 50 years of service. Specializes in residential, agricultural, and
• Weeks Drilling & Pump — Northern California well drilling company with over 136 years of professional experience and 20,000+ wells completed. Serves Sonoma County and Northern Californ
• California Water Service – Well Drilling Division — California C-57 licensed well drilling contractor serving rural Northern and Central California. Provides water well drilling, pump installation, and well rehab
• Habitat Rainwater Systems California — Northern California rainwater harvesting company designing permitted residential and off-grid collection systems. Specializes in above-ground and below-ground t
• Pure Water Systems California — Statewide California dealer for residential water filtration, RO systems, and UV purification. Specializes in rural and off-grid installations treating well wat
• California Department of Public Health – ELAP — California ELAP certifies drinking water laboratories across the state. ELAP-certified labs test private wells for nitrates, arsenic, coliform, and dozens of ot
• Greywater Action California — California-based greywater education and design organization helping homeowners and off-grid dwellers install legal laundry-to-landscape and branched drain grey

Frequently Asked

How many water resources are listed for California?

GetOffGrid tracks 16 verified water resources for off-grid living in California: 7 California-specific operators and 9 nationwide platforms serving California.

What are the top water resources in California?

13 of the 16 California listings are rated 4.5 or higher. Featured: ProOne Gravity Water Filters, US Water Systems, Rain Harvesting Supplies, National Ground Water Association, Doulton Water Filters.

Are these resources verified?

Every listing on GetOffGrid has a verified link to the source. Resources include both state-specific operators and nationwide platforms serving California.