Posts categorized under November 3, 2016 - At Your Service

Archives for November 3, 2016

Ballard natural drainage: systems of nature, networks of people

Guest post by Seattle Public Utilities’ Protect Our Waters team. The Ballard area contributes about one-third of Seattle’s total combined sewer overflows (CSOs). CSOs occur in this area because the storm and sewer system is combined. During heavy rains the volume of stormwater runoff overwhelms this combined system, causing an… [ Keep reading ]