How Can Stormwater Cause Health Risks?

How Can Stormwater Cause Health Risks? Impervious surfaces also lead to pooling of stormwater, increasing potential breeding areas for mosquitoes, the disease vectors for dengue hemorrhagic fever, West Nile virus, and other infectious diseases. Why is stormwater harmful? Stormwater runoff can cause a number of environmental problems: Fast-moving stormwater runoff can erode stream banks, damaging