You can find information on water systems, including contact information and water quality, through this link to the Mississippi State Department of Health.
http://goo.gl/3HiEU
The Mississippi Public Utilities Staff also has a listing of water systems by county.
http://goo.gl/6fFgD
The Mississippi State University Extension Service helps train water system board members and water system operators. Some of that information can be found here.
http://goo.gl/8axOp
