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Engineering Programs

Long-Term Capital Improvement Program

Drinking Water

Pic-Services-FireHydrant-(1).jpgIn 2004, the Township developed a Long-Term Capital Improvement Program (LTCAP) for pipe replacement within the older subdivision areas that contain less than six-inch diameter water mains. The areas identified for replacement were evaluated based upon both size and repair criteria. There are over 39 miles of this piping that existed in the older water systems built before the Township connected to the City of Detroit’s water supply system in 1964.

Benefits of this program: Improves water volume, reliability of fire hydrants, and water supply system longevity, as well as reduces maintenance and repair costs and promotes compliance with the Safe Drinking Water Act standards.

Sanitary Sewer

Since 1988 the Township has had obligations to the Michigan Department of Environmental Quality (MDEQ) to manage, operate and maintain the separate sanitary sewer system. There have been two regulatory mandates by the MDEQ for the sanitary sewer. Since these mandates have been in place, the Township has continuously met all the MDEQ requirements and timelines to maintain compliance.

Bloomfield Township has been implementing programs to rehabilitate the public sanitary sewer system as part of these mandates to improve reliability and reduce excess inflow in the sanitary sewer. The programs vary throughout the Township based upon age of the system and findings from extensive field investigations. Field investigations include in-line sewer flow metering, manhole inspections, sanitary sewer televising, smoke testing, and visual observation of downspouts and sump pump connections. Sewer rehabilitation work, performed by a Township contractor, consists of either open-cut excavated repairs or trenchless technology, such as internal joint grouting and internal pipe liners.

The results of the rehabilitation, investigations, and studies over the years were used for the development of the LTCAP submitted to the MDEQ in compliance with the sanitary sewer mandates. The  LTCAP can be viewed by clicking here. The LTCAP outlines the next steps that the Township will take to maintain compliance and address future sewage flows, new development, and prevent sanitary sewer overflows.

Oakland County and several other communities in Oakland County are under similar mandates as Bloomfield Township. Because of this, the LTCAP submitted by Bloomfield Township outlines a regional approach for addressing excess sewer flows and future demand of the sewer system at large. This link is for the Evergreen Farmington Sewage Disposal System North Evergreen Interceptor Project Plan. This plan further outlines the regional plans to meet the requirements of the MDEQ mandates.

Graphic-SanitarySewer.jpgWhat can a homeowner do to help? Private house leads may allow inflow into the system through open joints, cracks or openings created by tree roots. Also, footing drains, roof downspouts, and sump pump connections to the sanitary sewer have been found to be a primary source of excess flows within the Township. Homeowners can also help reduce inflow into the public sewer system by verifying that their house leads are properly functioning and connected to the appropriate sewer.

Benefits of this program: Reduces sewage volume for treatment charges; reduces sewer back-ups, overflows, and maintenance cost; improves sewer system longevity; and promotes compliance with the Clean Water Act standards.

Updated: May 2017