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EC Applications is headquartered at 901 East Orangethorpe Avenue in Anaheim, putting our crews and project managers minutes from liner, methane barrier, and containment projects across Orange County and greater Los Angeles.
Anaheim is where EC Applications lives. Our headquarters at 901 East Orangethorpe Avenue houses the project managers, estimators, and field superintendents who support geomembrane work throughout Orange County, Los Angeles County, and the Inland Empire. When a Southern California owner or general contractor calls the Anaheim office, they are talking to the people who will actually staff the job, not a regional sales layer.
Being local matters in liner work because geosynthetic installation is schedule-driven. Liner deployment typically sits between earthwork and the trades that follow, whether that is a slab pour over a methane barrier or a reservoir returning to service. A crew based in Anaheim can mobilize to most Orange County and LA sites the same week, respond to weather windows, and return quickly for punch-list items, third-party inspection support, or repairs.
EC Applications is a self-performing geosynthetics contractor. Our own trained technicians handle deployment, seaming, and quality control rather than brokering the work out. From Anaheim, the core scopes are potable and non-potable reservoir lining for water districts and municipalities, under-slab methane barrier systems for commercial and residential construction, secondary containment liners for fuel storage and industrial facilities, floating covers, wastewater lagoon and pond liners, and custom geosynthetic fabrication in our shop.
Field seaming is performed with wedge welders and extrusion welders, and seams are verified with industry-standard quality control methods such as air pressure testing of dual-track fusion seams and vacuum box or spark testing where the geometry requires it. On regulated containment projects we routinely work alongside third-party CQA firms and pull destructive seam samples per the project CQA plan.
The Anaheim fabrication shop is a practical advantage for local buyers. Panels, boots, sumps, curtain assemblies, and odd-geometry pieces can be prefabricated under controlled conditions and trucked a short distance to the site, which reduces field seaming, shortens installation windows, and improves quality on tight urban sites where laydown space is limited.
A large share of our local work is under-slab methane mitigation. The City of Los Angeles designates Methane Zones and Methane Buffer Zones under its methane code, and LADBS requires approved gas mitigation systems, typically an impermeable membrane combined with a vent layer, before the slab is poured. Similar soil-gas mitigation requirements appear on Orange County sites near former landfills, oil fields, and other subsurface gas sources.
Our crews install membrane barrier systems to the project methane mitigation plan, detail the penetrations and pile caps that are the usual failure points, and coordinate inspection and testing with the deputy inspector so the general contractor can keep the pour date. Because the crew is based in Anaheim, re-inspections and repairs after other trades work over the membrane are a short drive, not a remobilization.
Southern California water agencies rely on lined and covered storage to protect water quality and meet operational demands. We line concrete and earthen reservoirs, tanks, and clearwells with geomembranes appropriate for potable contact, and we install floating covers that control evaporation, debris, and vector intrusion on open storage. Lining and cover work is planned around the agency's outage schedule so facilities return to service on time.
On the industrial side, fuel storage and chemical facilities across Los Angeles and Orange County carry secondary containment obligations, including federal SPCC requirements under 40 CFR Part 112 for qualifying oil storage. We install geomembrane containment liners in tank farm dike areas, sumps, and loading areas, with penetration boots and terminations detailed for long service life.
EC Applications holds two California CSLB licenses, #894068 and #1003207, and operates as An EFI USA Company. For public works and municipal buyers, that means a licensed, insurable in-state contractor with its principal office in Orange County.
Tell us about the application and our team will scope the right containment approach with you, from materials to installation.