What is the minimum distance from tanks to streams, ponds, or lakes, measured from normal pool elevation?

The correct answer of 50 feet reflects the regulatory guidelines provided by the TCEQ (Texas Commission on Environmental Quality) to ensure environmental safety and protect water bodies from contamination. This distance is significant as it helps reduce the risk of pollutants from tank failures or overflows entering nearby water sources. By maintaining a minimum separation of 50 feet from tanks to streams, ponds, or lakes, the integrity of the water bodies is preserved, minimizing potential impacts on aquatic ecosystems and human health.

The chosen distance of 50 feet is based on environmental studies and assessments that consider factors such as soil composition, drainage patterns, and the potential for contaminants to migrate. This standard helps balance the need for infrastructure development while protecting vital natural resources.

In contrast, other distances (like 20 feet, 75 feet, and 100 feet) might not be supported by the same level of regulatory framework or scientific backing, which would not adequately address the concerns surrounding water quality and environmental protection. Thus, the 50-foot standard is critical for ensuring safe practices in proximity to sensitive water resources.