Why are lead wheel weights a problem?
Ecology’s research indicates that about 40 metric tons of lead wheel weights fall off vehicles every year in Washington. People are exposed to lead fragments and dust when lead wheel weights fall from motor vehicles onto Washington roadways and are then crushed and worn down by traffic. Lead wheel weights on and alongside roadways can contribute to soil, surface, and groundwater contamination and pose hazards to downstream aquatic life. What does the law do? Starting January 1st, 2011, the law (RCW 70.270) bans the use of lead wheel weights and requires that a person who replaces or balances motor vehicle tires in Washington must use environmentally preferred wheel weights. Stockpiling lead weights for use after January 1st, 2011 is not permitted. The law only pertains to motor vehicles with a wheel diameter of less than 19.5 inches or a gross vehicle weight of 14,000 lbs. While lead wheel weights will remain legal for those larger tires, there are alternatives available for larger tir
