Ballard natural drainage: systems of nature, networks of people
November 3, 2016
Guest post by Seattle Public Utilities’ Protect Our Waters team. The Ballard area contributes about one-third of Seattleās 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 ]