Gaspipes.org: The Ratepayer gas pipe information center

Tools to achieve climate goals and protect the health of our community

• Newton information
  • Newton's 50 largest gas leaks
  • Information about leaks and gas pipes on a particular Newton street
  • Newton map
• Reports
  • Newton 2023 GSEP Investigation (PDF, 160KB) (or download a larger version which includes all tables, 1472KB)
  • Newton 2022 GSEP Investigation (PDF, 162KB) (or download a larger version which includes all tables, 1019KB)
  • Newton GOL and GSEP Analysis (PDF, 176KB)
• Current leaks by town/city in Massachusetts National Grid territory
• History of a specific leak, by National Grid leak ID
• Glossary

Information sources

Our information is compiled from publicly available sources including:

• Grants of Location requests from National Grid to the City of Newton since 2001
• National Grid Gas System Enhancement Program (GSEP) plans filed annually with the Mass. Dept. of Public Utilities (DPU) since CY 2015
• National Grid GSEP Reconciliation (GREC) reports filed annually with the DPU since CY 2015
• National Grid service quality annual reports (SQARs) filed with the DPU since CY 2014
• Weekly street opening plans distributed by City of Newton Dept. of Public Works since 2020
• Resident street surveys of infrastructure and DigSafe paint markings
• Leaks reported by National Grid to the DPU since June 2019
• Leaks measured by residents using calibrated equipment
• City of Newton street tree records