
Irrigation of vineyards with reclaimed water in Valflaunès
4 June, 2050

Waste water source
Reclaimed municipal wastewater from the Valflaunès wastewater treatment plant.
Distribution System
The distribution system is 1,000 m long: 500 m for delivering water to the stage 1 plots and 500 m more to reach the stage 2 plots. The entire distribution system will be pressurized.
Farming system
Conventional vineyards equipped with drip irrigation.
Waste water treatment description
Nutrient removal : Lagoon
Pesticide removal : none
Disinfection : Reed bed filter, UV disinfection and a Lagoon
Suspended solids removal : Disk filtration is be used for suspended solids removal
Other :
Capacity
The capacity of the wastewater treatment plant is 600 population equivalents, which correlates to 60 m³/day.
Extent of the agricultural beneficiaries
Agricultural beneficiaries will cover a total of 14 ha: 2 ha in stage 1 (2020) and 12 ha in stage 2 (2022).
Stage 1 will spreadover 2 years. During this stage, the use of reclaimed water in vineyards will be demonstrated. In the second stage, the implementation of reclaimed water will further be extended to the remaining 12 ha of vineyards.
Costs
OPEX: 100k€ (Stage 1) + 200 k€ (Stage 2)
APEX: unknown so far
Type of agreement
No agreement was provided as the project is still in the explorational phase.
Scientific results
Additional information
The project has been put on hold as the profitability is too difficult to reach even stage 2.