This publication explains how pollutants pass through storm sewers and how to prevent it from happening.
Free to Wisconsin residents and Wisconsin non-profit organizations. Wisconsin customers will be billed separately for shipping and handling. Contact customer service to obtain the coupon code for your free copy or contact your county UW-Extension office.
Out of state customers ordering 100 or more copies need to enter this Coupon Code in the shopping cart: GWQ080907. This will give a 10% discount to the bulk order.