Sewer Construction
DC seeks federal reimbursement as Potomac sewer collapse repair costs near $20 million
Washington, D.C., is seeking full federal reimbursement as emergency repairs continue on the collapsed Potomac Interceptor sewer line, with response costs nearing $20 million.
Oceanside, Calif., moves into Phase II of $30 million utility modernization
Oceanside, Calif., is launching Phase II of a $30 million downtown water and sewer replacement project, upgrading aging mains and expanding recycled water infrastructure over the next two years.
Arizona wastewater pipeline repair advances with House approval
House lawmakers advanced $12.5 million to repair Arizona’s aging International Outfall Interceptor, a buried wastewater pipeline that has caused sewage overflows in Nogales for decades.
Carolinas water, sewer work shows resilience amid softer 2026 outlook
Water and sewer construction in North and South Carolina is expected to remain resilient in 2026, with contractors reporting solid backlogs and continued demand despite broader market uncertainty.
College Station OKs new sewer trunkline along TXDOT corridor
College Station approved nearly $4 million for new sewer trunklines tied to TxDOT construction, adding large-diameter pipe and decommissioning lift stations.
Raleigh Water advances $43 million+ Mine Creek gravity sewer replacement
Raleigh Water is advancing a $43 million to $55 million gravity sewer replacement and rehabilitation project along the Mine Creek corridor, upgrading more than five miles of sewer to improve wet-weather performance and extend system life. The work includes larger-diameter pipe installation, structural lining, and multiple road crossings near Shelley Lake and Crabtree Creek.
New York grant backs 36-inch sewer main replacement in Port Chester
Port Chester, N.Y., has secured $10 million in state funding to replace a 36-inch sanitary sewer main, boosting system capacity, reducing overflows and supporting redevelopment and water quality improvements.
Microtunneling drives progress on Calgary’s TransCanada sanitary trunk
Calgary’s TransCanada Sanitary Trunk project continues to advance, with microtunneling driving pipe installation on the 5.3-mile wastewater capacity expansion through 2026.
$52.5-million Great Pond sewer project advances with construction set for early 2026
Construction on the Great Pond Phase 1 sewer expansion is scheduled to begin in early 2026, with updated estimates cutting the project’s cost by more than $7 million. The $52.5 million investment will expand sewer service and help reduce nitrogen pollution in the watershed.
Pennsylvania DEP rejects $53 million Connoquenessing Township sewer plan
Pennsylvania DEP has rejected Connoquenessing Township’s $53 million Act 537 sewage facilities plan, citing technical deficiencies, affordability concerns, and regulatory compliance issues.
Portland, Ore., targets urgent sewer pipe failures with multi-year program
Portland, Ore., is advancing a multi-year priority sewer pipe program across south and southwest neighborhoods, using trenchless and open-cut methods to address aging infrastructure and urgent repair needs.
New 4,000-foot tunnel to boost Detroit sewer capacity, prevent flooding
The Great Lakes Water Authority has begun construction on an $87 million stormwater diversion tunnel in southwest Detroit, designed to reduce sewage backups, basement flooding, and improve water quality along the Rouge River. The 4,000-foot tunnel will redirect excess wet-weather flows to an existing retention and treatment basin, boosting system resilience ahead of expected completion in 2028.
$86 million Miami Beach project to rebuild drainage, sewer north of 14th Street
Miami Beach is moving forward with an $86 million design-build project to replace drainage, water and sewer infrastructure in the West Avenue neighborhood, including a new 120,000-gpm pump station and major underground utility upgrades north of 14th Street.
Wichita, Kan., advances $36 million Bleckley Drive drainage overhaul to curb chronic flooding
Wichita is advancing a $36 million, multi-phase drainage and utility project on Bleckley Drive, replacing aging stormwater infrastructure with new underground sewers and rebuilt roadways to reduce chronic flooding through 2028.
Exeter, N.H., begins next phase of Westside Drive water and sewer work
Construction is advancing on the Westside Drive utility improvement project as crews install new water mains and prepare for sewer, drainage and roadway upgrades tied to the town’s CSO control plan.
California invests $590 million to boost water reliability, upgrade sewer systems statewide
California invested $590 million in new water infrastructure projects, adding 2.9 billion gallons of clean water annually and upgrading wastewater, desalination, and sewer systems across the state to boost long-term reliability.
King County advances major sewer upgrade for Mercer Island and Bellevue
King County is advancing construction on the North Mercer Island/Enatai Sewer Upgrade Project, replacing aging wastewater pipelines, upgrading pump stations, and restoring park and roadway areas in Mercer Island and Bellevue to improve reliability and protect Lake Washington’s water quality.
Century-old sewer tunnel restored as Ohio city completes two-year rehab project
Lakewood, Ohio has completed a massive rehabilitation of its 19,000-foot interceptor tunnel—one of the city’s largest sewer projects to date. The $28 million upgrade relines early-20th-century clay pipe, reduces stormwater inflow and sets the stage for a new CSO storage tank coming in 2026.
Fatal trench collapse halts sewer construction in Massachusetts; two workers hospitalized
A trench collapse at a sewer construction site in Yarmouth, Massachusetts left one worker dead and two injured, prompting a major rescue response and renewed scrutiny of excavation safety practices. Local, state, and federal agencies are now investigating the cause of the failure.
Legal challenges fail to stop Montana’s Lakeside sewer expansion project
Montana courts have cleared the way for the Lakeside County Water and Sewer District to move forward with its wastewater expansion after denying two lawsuits seeking to block the project in Flathead County.
Granite to build $350 million I-290 drainage, sewer upgrade in Chicago
Illinois is moving forward with a $350 million I-290 drainage and sewer improvement project—the state’s first CM/GC contract—adding more than three miles of large-diameter trunk sewers to reduce flooding along the Eisenhower Expressway in Chicago.
California city to replace 5.5 miles of downtown water, sewer mains in Phase II
Oceanside will begin Phase II of its downtown utility overhaul in early 2026, replacing more than 5.5 miles of water and sewer mains and adding nearly 1 mile of recycled-water pipe in a $30 million project over two years.
Jackson, Miss., awards Jacobs nine-year contract to operate, upgrade wastewater system
Jacobs was awarded a nine-year contract to operate and upgrade Jackson, Mississippi’s wastewater system as part of the city’s ongoing effort to modernize aging underground infrastructure.
$552 million San Mateo wastewater upgrade expands underground treatment capacity
San Mateo completed a $552 million wastewater treatment plant upgrade featuring new underground treatment systems, expanded storm-flow capacity, and nutrient-reduction technology to protect San Francisco Bay.
Lafayette, La., breaks ground on $17.6 million wastewater lift station
Lafayette has begun construction on the $17.6 million South Gravity Lift Station, a wastewater project that will expand capacity for 2,000 new units and support redevelopment across the city. The project, partially funded by an EPA grant, is scheduled for completion in 2026.
Largest-ever PENNVEST funding round to improve drinking water across Pennsylvania
Governor Josh Shapiro announced a $547 million investment — the largest in PENNVEST history — to upgrade Pennsylvania’s drinking water, wastewater, and stormwater systems across 23 counties, replacing lead lines and improving treatment capacity statewide.
$283 million Black Creek sewer upgrade to create 65,000 jobs in Toronto
Canada is investing $283 million to expand Toronto’s Black Creek sewer system, adding 11 miles of new underground infrastructure to reduce flooding and create 65,000 jobs across the city.
Tampa breaks ground on major drainage improvement for El Prado neighborhood
In Tampa, construction begins this month on a $6.9 million stormwater project along South Manhattan Avenue to reduce neighborhood flooding and improve drainage, with completion expected in 2026.
ITOCHU, Çalık Enerji to build first sewer system in Erbil, Iraq
The JICA-funded project aims to improve water quality and sanitation for 135,000 residents, marking a milestone in the region’s underground infrastructure development.
D.C. tackles urgent repairs on 72-inch sewer line carrying 100 million gallons a day
DC Water has begun critical repairs on a 72-inch sewer line under Rock Creek, closing part of the Rock Creek Trail Oct. 3–5. The project aims to prevent sewage discharges and protect local waterways.
- Inside Sempra’s 72-mile pipeline with 18 major trenchless crossings
- Trump vetoes bill to finish $1.3 billion Colorado water pipeline
- PHMSA warns of heat risks in aging plastic gas distribution pipelines following deadly Pennsylvania explosion
- Infrastructure failure releases 100,000 gallons of wastewater in Houston; repairs ongoing
- OSHA seeks $1.2 million fine after fatal trench collapse in Connecticut
- Worm-like robot burrows underground to cut power line installation costs
- First tunnel boring machines complete testing for Hudson Tunnel Project
- Infrastructure failure releases 100,000 gallons of wastewater in Houston; repairs ongoing
- Construction jobs stumble into 2026 after weak year
- NWPX grows water infrastructure portfolio with Colorado precast facility