Preventing runoff or rainwater from spreading oil contaminants involves employing various preventive measures. Proper drainage systems, such as trenches or diversion ditches, help direct rainwater away from potentially contaminated areas. Constructing impermeable barriers, like concrete or geosynthetic liners, around oil storage facilities, equipment, or spill sites prevents rainwater from infiltrating and spreading oil contaminants.
Regularly inspecting and maintaining these barriers ensures their effectiveness. Additionally, using absorbent materials or sorbent booms in areas prone to runoff can help capture and contain any oil that rainwater may carry. Proper planning, prompt response, and proactive measures are essential to minimizing the risk of rainwater spreading oil contaminants.