On 5 and 6 March were summoned to a meeting of 32 water boards,from Opatoro municipality in the department of La Paz, where Carlos Vidal ,Technical of Secretariat of Health, spoke about the National Health Regulations, and the obligation of the water Boards to chlorinate the water, ADEC has offered technical assistance for more than four years to these water boards, Elias Mejia of ADEC will accompany the monitoring of chlorine in the water, and will provide the necessary inputs (chlorine , reagents) to which the chlorination will be permanent.