Alabama County Promotes All-Inclusive Approach to I&I Mitigation

Huge investments into sewer capacity left Southern community looking for answers when SSOs continued.

Alabama County Promotes All-Inclusive Approach to I&I Mitigation

Daniel White, left, deputy director of engineering and construction for the Environmental Services Department of Jefferson County, discusses a work project with Tad Powell, a consulting engineer with Hazen and Sawyer. 

You often hear from municipal sewer officials how important it is to have a comprehensive plan to address I&I, but few utilities better exemplify the concept better than Jefferson County, Alabama.

When the county received a consent decree in 1996 to reduce its release of untreated water, it invested roughly $2.4 billion in collections system and treatment improvements. But it learned that this investment would not be enough to combat ongoing sanitary sewer overflows and...

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