Its study, published in August 2012, concluded with the need to increase aquifer recharge. The recharge would be covered by co-operative funds, collected from fees paid by groundwater users depending on the amount of their contribution to the recharge. The Agricultural Groundwater Revolution: Opportunities and Threats to Development, CABI, Oxford, Sophocleous, M. (2010), “Review: Groundwater management practices, challenges, and innovations in the High Plains Aquifer, USA - Lessons and recommended actions”, Hydrogeology Journal, Vol.