What Is The Leading Cause Of Surface Water Impairment?
What Is The Leading Cause Of Surface Water Impairment? Nonpoint source (NPS) pollution, also known as polluted runoff, is the leading cause of water quality impairments in California. Nonpoint sources are major contributors of pollution to impacted streams, lakes, wetlands, estuaries, marine waters, harbors, bays, and ground water basins. What is the most common cause