Coastal fog harvesting with mesh collectors where advection fog is reliable
#00058
Where coastal advection fog is dependable, vertical mesh nets passively strain water droplets from wind-driven fog into reservoirs — no energy, no membranes, no seawater intake. Cheap and low-tech, but geographically constrained and historically prone to social/ownership collapse
Catholic University of Chile and international fog-collection researchers (precursor to FogQuest)· 1992–2002· Neighborhood
Large-mesh fog collectors installed on El Tofo mountain piped water to the coastal village of Chungungo, averaging ~15,000 L/day at peak. The system ran from 1992 to ~2002 before total abandonment: no local maintenance…
Average water output at peak~15,000L/day
Years before abandonment~10years
International research/aid funding (incl. Canada's IDRC) via academic and NGO partners· 1 source
Dar Si Hmad (women-led NGO); FogQuest (pilot design); CloudFisher / Aqualonis / WasserStiftung (mesh upgrade)· since 2015· Region
A women-led NGO (Dar Si Hmad) built the world's largest operational fog-water harvesting system on the fog-rich slopes of Mount Boutmezguida, on the edge of the Sahara, where groundwater is failing under drought. Vertic…
Fog-net area600m²
People served400+people
Grants (incl. Munich Re Foundation, USAID and others) channeled through Dar Si Hmad· 2 sources