Miami-Dade Water and Sewer Department (MDWASD) is a retail and wholesale water supplier located in the Lower East Coast Regional Water Supply Planning Area of the South Florida Water Management District.

MDWASD currently serves more than 420,000 retail water customers and wholesale water services are provided to 15 of Miami-Dade County's 36 municipalities.

Miami-Dade Municipal Wholesale Customers:

• Bal Harbour
• Bay Harbor Islands
• Hialeah
• Hialeah Gardens
• Indian Creek Village
• Miami Beach
• Opa-locka
• Medley
• North Bay Village
• North Miami
• Surfside
• Virginia Gardens
• West Miami