South Central Solid Waste Authority Doña Ana County (Las Cruces), New Mexico (est. pop. 225,000) Executive Director The South Central Solid Waste Authority invites your interest in serving as their next Executive Director. The Board of Directors desires a talented and dynamic leader with experience in managing a county-wide solid waste program. The South Central Solid Waste Authority (SCSWA) was established in December of 1994 through the adoption of a Joint Powers Agreement between the City of Las Cruces and Doña Ana County for the purpose of providing and maintaining regional solid waste and recycling management programs. The Authority is comprised of an eight (8) member board where three (3) voting members are appoi