About DIPRA

DIPRA Alliances

DIPRA is committed to creating a sustainable future for our water infrastructure with environmentally friendly, long-lasting Ductile iron pipe. As part of this commitment, we have partnered with these organizations to continue helping utility leaders, elected officials, and professional engineers understand and appreciate the many advantages that Ductile iron pipe offers to water and wastewater utilities and their customers.

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Institute for Sustainable Infrastructure

The Institute for Sustainable Infrastructure (ISI) is a 501 (c) (3) not for profit organization, structured to develop and maintain a sustainability rating system for civil infrastructure. That system, called Envision®, is a collaboration between ISI in Washington. D.C., and the Zofnass Program for Sustainable Infrastructure at the Graduate School of Design at Harvard University, Cambridge, Massachusetts.