Definitions for "Water pollution"
Any physical or chemical change in surface water or groundwater that can harm living organisms or make water unfit for certain uses.
The addition of sewage, industrial wastes, or other harmful or objectionable material to water in concentrations or in sufficient quantities to result in measurable degradation of water quality.
sewage, industrial chemicals, heavy metals, and household cleaners are examples of materials commonly discharged into streams and rivers. In addition, chemicals from the air dissolved in rainwater, pesticides, and fertilizers leached from the land run off into water
an increasingly sample containers and phosphate nitrate testing kits