Santo Domingo is the top region by well-water supply in Dominican Republic. As of 2002, well-water supply in Santo Domingo was 17,455 that accounts for 11.90% of Dominican Republic's well-water supply. The top 5 regions (others are La Vega, Duarte, San Pedro de Macoris, and La Altagracia) account for 49.15% of it. Dominican Republic's total well-water supply was estimated at 146,644 in 2002.