Developer Resources

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The Department of Water Resources (DWR) works closely with the Department of Planning and Development to provide resources for developers, businesses, and industries interested in working within Gwinnett County.

Water and Sewer Availability Letters, Mapping, and GIS questions: 678.376.7139
Sewer Capacity Certification questions: 678.376.7026
Plan Reviews, Permitting, and Variances - Planning & Development Utility Plan Review Section: 678.518.6000
Fire Flow Testing: 678.376.7000

GIS Data Browser/As-Built Records

Municipal Codes

Water and Sewer

Water Distribution and Wastewater Collection Infrastructure Standards

Developer Pump Station Standards (January 2014)
Storm Sewer Pipe Standards (May 2018)
Water and Sewer Standards (April 2016)

Industrial Pretreatment

For questions about Gwinnett County’s Industrial Pretreatment Program, please contact Steven Stokes at 678.477.5768.

Backflow Prevention

Submit Backflow Device Test Data Maintenance Reports online.

For questions about backflow, email DWRBackflowInspections@gwinnettcounty.com or call 678.376.4213.

Stormwater Resources

Stormwater Management Manual – Current, effective December 10, 2020
Stormwater Management Manual Version 1, effective until December 10, 2020
Storm Sewer Pipe Standards

BMP Management