Precipitation caused by the blizzard of 1977 overfilled the canal with snow and water.Sp ring came early that year and melted all the snow really fast. All that water was forced under the canal forcing all the toxins to ooze out of the to. Some of the health hazards are death, cancer, liver problem like liver disease, central nervous problems,and birth defects like a cleft pilate and an exa set of teeth. Other ecosystems in the creek were contaminated. Animals in any ecosystem that ate or drank from the creek were also poisoned.