The linked article is entitled: "Federal Report Urges Shoring Up Aging Natural Gas Storage Facilities to Prevent Leaks". It indicates that unless we increase expenditures to shore-up aging natural gas storage facilities, then we can expect an increase in natural gas leaks like the Aliso Canyon leak.
https://insideclimatenews.org/news/20102016/federal-report-natural-gas-facilities-prevent-leaks-methane-aliso-canyon-porter-ranchExtract: "The Aliso Canyon leak, which emitted about 90,000 metric tons of methane into the air and forced thousands of residents to evacuate Los Angeles' Porter Ranch community, was traced to a common and problematic "single-point-of-failure" well design.
The new report, published almost a year after the Aliso Canyon leak began, was written by an interagency task force created after the leak drew nationwide alarm and became the largest methane leak from a gas storage facility in the U.S. The task force includes experts from the Department of Energy, the Environmental Protection Agency, the Federal Energy Regulatory Commission and various national labs.
The report provides suggestions for improving storage well safety, emergency planning, mitigating greenhouse gases and addressing public health concerns. The report recommends that new facilities be built with double-barrier designs to help prevent leaks. Aging facilities like the 40-year-old Alison Canyon should be similarly retrofitted to contain leaks."
See also the linked report entitled "Ensuring Safe and Reliable Underground Natural Gas Storage":
http://energy.gov/sites/prod/files/2016/10/f33/Ensuring%20Safe%20and%20Reliable%20Underground%20Natural%20Gas%20Storage%20-%20Final%20Repor..._0.pdf