Water Pollution Houston Environmental Foresight Seeking Environmental Improvement Water Pollution Water is one of the Houston region's most visible natural resources, but many waterways are marred by pollution. Although the human health risks of water pollution are relatively small, water pollution is ranked in the high category. Odors from polluted waters and trash in the water system affect quality of life, tourism, and economic development.
Water pollution harms aquatic life and ecological balance.
Contamination also occurs from sanitary sewer systems and wastewater treatment systems, but is less of a problem than runoff. Continuing urbanization will increase the need to control water pollution. Many waterways that drain the urbanized areas of the region are considered to be a health risk. The City of Houston recommends that people not swim or fish in bayous. Galveston Bay, a primary economic and recreational water resource, is generally safe for swimming, fishing, and other general uses, except for some areas where fish and shellfish should not be taken.