Undergrounding
Cadiz taps Stantec to lead engineering for $800 million Mojave Groundwater Bank
Once completed, the project will provide 2.5 million acre-feet of new water supply and 1 million acre-feet of underground storage. A 350-mile pipeline network will connect the system to the Colorado River and California Aqueducts, making it the largest new water infrastructure project in the Southwest.
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.
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.
Eversource breaks ground on nation’s largest underground electrical substation in Cambridge, Mass.
Eversource has begun construction on the nation’s largest underground electrical substation in Cambridge, Mass. The 35,000-square-foot facility, located 105 feet below a new public green space, will help meet growing electricity demand and upgrade grid reliability.
Special tracks, training & competition headline UIC 2025
We are gearing up for Underground Infrastructure magazine’s 30th Underground Infrastructure Conference (UIC), March 4-6 in Houston. Attend UIC and be part of a transformative event designed to inspire, educate, and connect infrastructure professions across the industry. From groundbreaking sessions to exclusive networking opportunities, this year’s conference promises an unforgettable experience for everyone involved.
Smuggling tunnel equipped with ventilation discovered in El Paso storm drain system
U.S. Border Patrol agents, in collaboration with Homeland Security Investigations (HSI), uncovered a sophisticated man-made tunnel on Jan. 9 that connected Ciudad Juárez, Mexico, to the El Paso storm drain system.
Excavation begins for Ontario Line’s first downtown subway tunnels
Excavation has started near Exhibition Station for the Ontario Line’s tunnel boring machine (TBM) launch site. This 16-meter-deep shaft will mark the starting point for two TBMs that will create twin tunnels spanning approximately six kilometers—the first downtown subway tunnel project in Toronto in over 60 years.
Gigapower’s Arizona fiber rollout linked to infrastructure damage, CWA report says
In Mesa, Arizona, where Gigapower began fiber deployment in early 2023, subcontractors have reportedly caused over 40 underground utility hits, including damages to electric, gas, water, and telecommunications lines, totaling more than $135,000 in repairs.
HDD Reunion, Hall of Fame Class of ’25 announced
Underground Infrastructure magazine and the Horizontal Directional Drilling Association, in conjunction with the HDD Reunion Organization, are proud to announce the HDD Hall of Fame Class of 2025. The honorees will be inducted during the HDD Reunion on Wednesday, March 5.
$50 million investment in Mojave groundwater project in California expands 30 million acre-feet storage
(UI) — Cadiz Inc. and the Lytton Rancheria of California have signed a Letter of Intent for Lytton to invest up to $50 million in the company's groundwater banking project in the Mojave Desert.
PG&E buries over 800 miles of powerlines in high wildfire-risk areas
(UI) — Pacific Gas and Electric Company (PG&E) has undergrounded more than 800 miles of powerlines since launching its wildfire safety initiative in 2021.
CGA report underscores progress, challenges of buried utilities damage prevention
The Common Ground Alliance (CGA), the national nonprofit trade association dedicated to protecting underground utility lines, people who dig near them and their communities, recently published its 2023 Damage Information Reporting Tool (DIRT) Report.
CGA opens registration for 25th annual conference in Orlando, Florida
The conference will bring together industry leaders to reflect on CGA’s quarter-century legacy and explore future innovations in damage prevention.
Worker deaths decline amid OSHA crackdown on high-risk trench and fall hazards
According to preliminary data, fatalities in key high-risk areas like trench collapses and falls, which are among the leading causes of death for construction workers, have notably declined.
Lynchburg, Va., breaks ground on largest-ever Blackwater CSO tunnel project
On Oct. 29, the City of Lynchburg broke ground on the Blackwater CSO Tunnel Project, a milestone in local infrastructure and the largest capital improvement in the city’s history. Known as LYHBeyond, the project aims to significantly reduce combined sewer overflows (CSOs) and safeguard the city’s waterways.
California's Anderson Dam tunnel project marks milestone as completion nears
To complete the tunnel’s last 347 feet, crews used a specialized micro-tunnel boring machine, maneuvering it 30 feet beneath the reservoir’s surface. After the boring was done, divers and construction teams carefully removed the machine from the tunnel’s endpoint using a large crane.
Editor’s Log: When money has no limits
Power generation is rapidly emerging across North America – indeed, the world – as the primary factor that, in the near future, will impact not only our economy, but further development of modern civilization.
Tunnel boring machine ‘Clack-A-Mole’ nears one-third completion in Oregon outfall project
As of Sept. 24, Clack-A-Mole has mined 770 feet of the total 2,370-foot tunnel, reaching 32% completion. Clack-A-Mole, weighing a massive 225,000 pounds, is currently averaging about 32 feet of progress per day as it digs a path toward the river.
Federal charges filed against contractors for failing to remove lead pipes in Newark, N.J.
Two officials from a construction company contracted to remove lead pipes in Newark have been charged with fraud, accused of deceiving the city by leaving the hazardous pipes in place while falsely claiming to have replaced them.
Energy giants propose new transmission lines across PJM states
Dominion Energy Virginia, American Electric Power and FirstEnergy Corp. have entered into an innovative joint planning agreement to propose several new regional electric transmission projects across multiple states within the PJM footprint.
Newburgh, N.Y., completes $31 million sewer project using microtunneling for underground pipeline
The project installed 8,700 feet of new sewer pipes and used microtunneling for over 2,000 feet of underground pipeline to improve capacity and reduce pollution in the Hudson River.
Sanitary sewer line replacement scheduled for Bunker Hill and Greenbay in Houston
All work will occur underground or within the city’s Right of Way (ROW), with no expected need to access private property unless necessary, and residents will receive advance notice if this happens.
Atlas project wins ASCE Project of the Year for underground water tank in Idaho
Atlas Technical Consultants Inc. has been awarded the American Society of Civil Engineers (ASCE) Southern Idaho Section's Project of the Year for the Whistle Pig Tank development, recognized in the category for projects under $10 million.
Asheville, N.C., faces weeks-long recovery after Tropical Storm Helene damages water system
Asheville’s water system suffered severe damage from Tropical Storm Helene, disrupting treatment facilities and distribution lines. Washed-out roads are complicating repair efforts, with city officials warning it may take weeks to fully restore service to the area’s 94,000 residents.
Underground fire disrupts fiber optic networks, closes key Baltimore facilities
An underground fire in downtown Baltimore led to a manhole explosion and disrupted critical fiber optic networks over the weekend, affecting thousands.
- 290-mile gas pipeline expansion proposed across Georgia, Alabama and South Carolina
- City of Albuquerque halts fiber optic construction in response to damage, complaints
- Body retrieved day after fatal trench collapse at Bakersfield, Calif., job site
- $227 million Garnet Valley water project advances, set to create 73,000 jobs in Nevada
- Pasadena, Calif., undergrounding project could take 500 years to finish
- Gehl and Mustang offer world’s largest skid loader
- Growing Pains and Gains
- Authorities investigating trench collapse that killed worker in Ashburn, Va.
- City of Albuquerque halts fiber optic construction in response to damage, complaints
- Pasadena, Calif., undergrounding project could take 500 years to finish