As used in this title:

1. "Best management practices" means methods, measures or practices determined to be the most practical and effective in preventing or reducing the impact of pollutants generated by nonpoint sources to a level compatible with water quality standards established pursuant to section 17-0301 of this article. Best management practices include, but are not limited to, structural and nonstructural controls and operations and maintenance procedures. Best management practices can be applied before, during or after pollution producing activities to reduce or eliminate the introduction of pollutants into receiving waters.

2. "Municipal corporation" means a county, city, town or village or an entity designated to act on behalf of such.

3. "Nonpoint source" means any source of water pollution or pollutants which is not a discrete conveyance or point source permitted pursuant to title seven or eight of this article.

4. "Nonpoint source abatement and control program" means a program of activities and projects for the abatement and reduction of nonpoint source pollution through the implementation of best management practices.

5. "District" means a county soil and water conservation district created pursuant to section five of the soil and water conservation districts law.