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Almeria’s municipal wastewater reclaimed for crop irrigation

4 June, 2050

Almeria’s municipal wastewater reclaimed for crop irrigation

Irrigation association of Cuatro Vegas

Waste water source

The water originates from the wastewater treatment plant of Almeria city.

Distribution System

The irrigation communicity of Cuatro vegas owns three water reservoirs for storage. Pressurized pipes distribute the water to the fields. In the most recent zone, a centralized remote control system.

Farming system

The crops are vegetables (tomato) and fruit trees in drip-irrigated in greenhouse.

Waste water treatment description

Nutrient removal :
Pesticide removal :
Disinfection : ultrafiltration and chlorination
Suspended solids removal :
Other : 


The irrigation community distributes 1,13 hm3 between 1,200 farms.

Extent of the agricultural beneficiaries

The reclaimed water from Almeria's wastewater treatment plant is distributed around a total area of 1,800 hectares (1,200 farms).


The cost of reclaimed water is 0.20€/m³. Nevertheless, the water provide for irrigation is a mixture of the reclaimed water and different conventional water sources. A such the price of the irrigation water is based on this mixture and is, in general, a bit lower than the 0.20€/m³.

Type of agreement

Cuatro Vegas is an irrigators association and represents 60 % of the General Comunity of Almeria Water Users (Comunidad General de Usuarios de las Aguas de Almería, CGUAL)

Scientific results




Type of initiative
Private initiative
Waste water source
Waste water treatment
Desinfection, Suspended solids removal
Farming system
Arable land, Permanent crops
Application use
Irrigation of food crops to be eaten raw
Irrigation method
Drip irrigation
Implementation stage
Full implementation