Underground Infrastructure
Centuri awarded nearly $400 million for U.S. gas infrastructure work
Centuri, a leading North American utility infrastructure services company, has announced nearly $400 million in customer awards for its U.S. gas business segment. The work will include the replacement of existing aged natural gas infrastructure and system betterment.
Rosemead, Calif., utility to bury power lines in fire-hit Altadena, Malibu rebuild
Southern California Edison plans to underground over 150 circuit miles of power lines in Altadena and Malibu as part of a wildfire recovery effort, aiming to boost resilience and reduce future fire risks.
ProStar, Pix4D launch 3D mobile mapping tool for underground infrastructure
ProStar Holdings Inc. has partnered with 3D mapping firm Pix4D to integrate their technologies and deliver a real-time, mobile-friendly solution for visualizing underground infrastructure.
Repairs begin on struck ANR pipeline, but more work ahead for Michigan Gas Utilities
TC Energy is responding to a third-party line strike that damaged a section of its ANR Pipeline System near Fennville, Michigan, on April 9, causing a gas outage in the area.
Astound completes 108-mile underground fiber build along Oregon’s Highway 6
Astound Broadband has finished constructing a 108-mile underground fiber route along Highway 6, delivering high-speed internet access to rural areas of Tillamook County for the first time.
Griffolyn pre-liners improve reliability in trenchless pipe lining
Griffolyn reinforced pre-liners offer added protection and reliability during CIPP trenchless pipe rehabilitation, helping prevent resin washout, liner buckling, and installation delays in water and sewer infrastructure projects.
PG&E raises 811 awareness during April's National Safe Digging Month
Digging without knowing the location of underground lines dangerous, it can also result in expensive repairs and inconvenient outages. Pacific Gas and Electric Company (PG&E) is joining with others across the country during National Safe Digging Month to help raise awareness of the importance of calling 811 before you dig.
California fast-tracks underground utility rebuild after Los Angeles fires
Governor Gavin Newsom has signed an executive order to accelerate the rebuilding of critical underground utility systems in fire-damaged areas of Los Angeles County, including Altadena, Malibu, and Pacific Palisades.
MTA advances $7.7 billion East Harlem subway tunnel project with $186 million oversight contract
The MTA has approved a $186.6 million contract with AECOM-HNTB to oversee tunneling and systems work for Phase 2 of the Second Avenue Subway extension, advancing one of New York’s largest underground infrastructure projects into East Harlem.
Canada aims to speed up infrastructure development, rehab
Canada intends to speed implementation of its ambitious plans for massive development and renovation of its underground infrastructure, in order to raise its efficiency and achieve a net-zero emissions target by 2050.
UIC return to Houston includes 30% attendance increase
The Underground Infrastructure Conference celebrated its 30th anniversary with a return to Houston, home to the original show in 1995. But unlike that first event, which was held in a hotel, UIC 25 was located at the George R. Brown Convention Center and netted more than 30-percent attendance growth from 2024.
Willamette River goes sewer overflow-free thanks to Big Pipe system in Portland, Ore.
Portland recently marked a major environmental milestone: one full year without a combined sewer overflow (CSO) into the Willamette River, a testament to the long-term success of the city’s $1.4 billion Big Pipe Project.
ASCE gives U.S. infrastructure best grade yet—stormwater, wastewater and energy still near failing
The American Society of Civil Engineers gave U.S. infrastructure its highest grade since 1998, but critical systems like stormwater, wastewater, and energy remain near failing, according to the 2025 Report Card.
Los Alamos, N.M., hit by second network outage after fiber line breaks during construction
For the second time in a week, Los Alamos, N.M., experienced a network outage on March 17 after construction crews accidentally severed fiber lines along NM-4.
Mary Rhodes Pipeline expansion part of ongoing efforts to boost Corpus Christi water supply
Key ongoing projects include expansion of the Mary Rhodes Pipeline — recently awarded Asset Management Project of the Year by Underground Infrastructure Magazine — along with two planned seawater desalination plants and plans to drill new water wells along the Nueces River, Caller Times reported.
Aries Industries celebrates 40 years of advancing underground infrastructure inspections
Aries Industries, a company specializing in state-of-the-art equipment for inspection and maintenance of underground infrastructure, is marking its 40th anniversary with a renewed commitment to the strong partnership culture that has fueled the company’s longevity.
Worm-like robot burrows underground to cut power line installation costs
The innovation, known as a "peristaltic conduit," mimics the segmented movement of earthworms to propel itself through the soil with minimal disruption to existing infrastructure.
Fairfield, Conn., to begin $31 million East Trunk sewer line replacement in May
A long-planned replacement of the East Trunk sewer line is set to begin in May 2025, with construction expected to last about 18 months. The project will replace aging sewer infrastructure to improve wastewater system reliability, reduce maintenance costs, and prevent future disruptions.
Williams Cos. highlights underground infrastructure’s role in surging natural gas demand at UIC 2025
At the Underground Infrastructure Conference on March 5, Glenn Koch, Vice President-Project Execution at Williams Co., addressed the growing demand for natural gas and the role underground infrastructure will play in meeting energy needs.
Williams highlights infrastructure’s role in surging gas demand at UIC 2025
At UIC 2025, Williams Co. VP Glenn Koch outlined how underground infrastructure and natural gas storage are critical to meeting surging U.S. energy demand, driven by data centers and peak-day power needs.
Two workers killed in Maryland trench collapse during home renovation
Two construction workers were killed on Feb. 28 after a trench collapsed while they were working on a home renovation project in Catonsville, Maryland, fire officials confirmed.
New Jersey American Water advances lead pipe replacements, exceeds 12,000 replacements
The utility remains on track to meet a 2021 New Jersey law requiring the removal of both utility-owned and customer-owned lead and galvanized steel service lines by 2031.
Turning awareness into action: 811 call centers
Despite widespread awareness of 811 requirements, damage to underground utilities remains high. This article urges contractors to consistently use state OneCall centers and provides a full directory for safe digging compliance.
Work progresses on $66 million upgrade to San Diego’s first aqueduct
The San Diego County Water Authority has reached the halfway point on a $66 million project to extend the life of the historic First Aqueduct and maintain reliable water delivery across the region.
Scores of animals using Florida city’s sewer system, researchers find
A team of University of Florida researchers in Gainesville, Fla. recently discovered an “abundance of animals” using the city’s sewer system. The research team set up 39 cameras in 33 different stormwater sewers in Gainesville in order to record wildlife activity in the underground tunnel system over a period of 60 days.
Sewer upgrade to begin under Nautical Mile in St. Clair Shores, Mich.
The project will involve the installation of a new sewer line beneath Jefferson Avenue, aiming to reduce sewer discharges into Lake St. Clair.
Smelly Mel’s, Sewer Rat Plumbing fined nearly $530,000 after San Mateo, Calif., trench collapse
California workplace safety regulators have fined Smelly Mel’s Plumbing and Sewer Rat Plumbing a combined $529,640 for safety violations linked to a trench collapse that seriously injured a construction worker in San Mateo on Aug. 1, 2024.
Newsom announces key permit for Delta Conveyance Project, boosting water infrastructure
The Delta Conveyance Project, aimed at upgrading the State Water Project, has received an essential Incidental Take Permit, a necessary approval to move forward with the initiative.
Vortex launches water division to tackle aging infrastructure
Vortex Companies has launched Vortex Water, a new division focused on water infrastructure rehabilitation. The move expands the company's trenchless solutions beyond sewer and industrial systems to address aging water pipelines with advanced materials, liners, and trenchless technologies.
Fiber broadband deployment costs stabilizing, report finds
The Fiber Broadband Association’s latest Fiber Deployment Cost Annual Report, conducted by Cartesian, shows that broadband service providers expect fiber deployment costs to remain steady or rise slightly—less than 10%—compared to 2024. This marks an improvement from the previous year’s study, which reported steeper cost increases.
- Intrepid Fiber breaks ground on fiber optic network in Superior, Colo.
- Excavator collides with I-95 overpass in Henrico, Va., causing multi-vehicle crash
- Shrewsbury, Mass., expands sewer inspections and cleaning efforts
- Two workers rescued after hours trapped in Mich. trench collapse
- Trump calls for Keystone XL pipeline revival, but developer has moved on
- Illinois overhauls Peoples Gas pipeline program, mandates focus on high-risk pipes
- Ameren Illinois to invest $140 million in natural gas pipeline replacement program
- Charlottesville, Va., to begin work on 24-inch water line for Rivanna River crossing
- Mass. governor slams Trump for ‘dangerous delay’ of $50 million in lead pipe replacement funds