backwaters

'backwaters'

[backwater.n.01] as in: a body of water that was created by a flood or tide or by being held or forced back by a dam

---

Examples:
the bayous and backwaters are breeding grounds for mosquitos

'backwaters'

[backwater.n.02] as in: a place or condition in which no development or progress is occurring

---

Examples:
the country is an economic backwater