Community Support Program
Infiltration/Inflow Local Financial Assistance
Massachusetts Water Resources Authority

MWRA's I/I Local Financial Assistance Program provides $261 million in grants and interest-free loans to MWRA sewer communities to perform local infiltration and inflow "I/I" reduction and sewer rehabilitation. Funds are approved for distribution through Fiscal Year 2018.

Eligible projects include:

• pipeline replacement
• public and private inflow source removal
• I/I reduction planning
• sewer rehabilitation construction
• engineering design
• engineering services during construction

PROJECT BENEFITS

The program's goal is to assist MWRA communities in reducing I/I and repairing and/or replacing aging sewers.

This program is a critical component of MWRA’s Regional I/I Reduction Plan. Specifically, local sewer system rehabilitation projects are intended to at least offset ongoing collection system deterioration thus preventing a net increase in regional I/I. In the long-term, system rehabilitation should result in lower I/I, which will allow for future increases in sanitary flows (residential, commercial, industrial, and institutional) without a net increase in total wastewater flow. The program fosters efficient operation and maintenance of local sewer systems.


HOW FUNDS ARE ALLOCATED AND DISTRIBUTED

I/I Local Financial Assistance Program funds are allocated to member sewer communities based on their percent share of MWRA’s wholesale sewer charge.

Member sewer communities receive 45% grants and 55% interest-free loans for local projects. Interest-free loans are repaid to MWRA over a five-year period beginning one year after distribution of the funds. Since the program began in 1993, more than $210 million has been distributed to fund 411 local I/I reduction and sewer system rehabilitation projects.

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Updated September 12, 2011