The Magma Flood Control District (MFCD) is a flood protection district existing under Arizona statute whose authority extends to all land located in the District. MFCD has authority over the Magma Flood Retarding Structure (Magma Dam or FRS). The Magma Dam is located just north of Arizona Farms Road about 2.5 miles west of State Route 79. The Magma Dam extends from Arizona Farms Road in a northerly direction for a distance of approximately 4.5 miles.