Words to Describe spillways

How spillways often is described ("________ spillways")

• overflow
• such
• closed
• principal
• wide
• lateral
• solid
• high
• submerged
• glacial
• canal
• adequate
• automatic
• type
• many
• inadequate
• lake
• northumbrian
• temporary
• paved
• rough
• countless
• small
• gated
• natural
• permanent
• conventional
• suitable
• main
• open
• overfall
• vegetated
• auxiliary
• mechanical
• crested
• uncontrolled
• low
• free
• irregular
• smooth
• regulated
• controlled
• insufficient
• separate
• ogee
• associated
• large
• proper
• inlet
• straight
• stepped
• concrete
• standard
• ancient