Assuming you are talking about the United States...
In most places, the sheriff is responsible for administering the county jail.
The Ulster Canal runs through County Armagh, County Tyrone and County Fermanagh in Northern Ireland. It also runs through County Monaghan in the Republic of Ireland.
because it runs through the county Niger!
In the vast majority of counties the jail is managed by the Sheriff of that county.
The Mississippi River runs along the northeastern border of Dakota County, Minnesota.
its a shower from a broken cloud which runs fast into the other county
Assuming you are talking about the United States... In most places, the sheriff is responsible for administering the county jail.
Washington County Virginia and Sullivan County Tennessee. (The border between the two states runs down the middle of State Street).
The Haw river.
River Gaunless
The County Commissioners
The Mississippi runs through the US.
In the United States, that is usually handled at the county level.