Underground Utility Installation & Repair in Southern NH
Residential, Commercial & Municipal Projects
White Mountain Excavation & Landscaping provides underground utility installation and repair for residential, commercial, and municipal projects throughout Southern New Hampshire. Our team specializes in water and sewer lines, trenching, and city tie-ins. We have the knowledge, experience, and equipment to handle any job—from planned installations to 24/7 emergency repairs.
For water or sewer line EMERGENCIES, please call us at (603) 662-2520.
Water & Sewer Line Installation
We install and replace underground water and sewer lines for residential, commercial, and municipal properties. Our work meets local requirements and is coordinated with inspectors, engineers, and municipalities when required.
Our Water & Sewer Line Installation Services include:
New water line installation
New sewer line installation
Line replacements and upgrades
City and municipal water & sewer connections
Water & Sewer Tapping
Emergency Water & Sewer Repairs – 24/7
Water and sewer failures can’t wait. White Mountain offers 24/7 emergency water line and sewer repairs to restore service as quickly and safely as possible.
Our Emergency Water & Sewer Repair Services include:
Broken or leaking water lines
Collapsed or damaged sewer lines
Sudden loss of water service
Urgent underground utility failures
Utility Trenching Services
Proper trenching is critical to the long-term performance of utilities. We provide safe, efficient trenching services for a range of underground utility needs.
Our Utility Trenching Services include:
All trenching is completed with attention to depth, grading, and backfill to protect the utility and surrounding property.
Water
Sewer
Drain
Conduit
Our Experience with Municipal & City Utilities
White Mountain has extensive experience managing city and municipal utility projects, including complex connections and deep sewer work. This background enables us to safely and effectively handle any project that requires permits, inspections, and coordination with local departments.
Our experience includes:
City water and sewer connections
Licensed and permitted utility work
Commercial and municipal infrastructure projects
Other Services
Foundation Excavation, Drainage & Trenching
Accurate grading ensures proper drainage, structural stability, and site usability. White Mountain provides rough and finish grading for residential and commercial properties.
Click below to learn more about our foundation excavation, draining & trenching services.
Coordinated Excavation & Underground Utility Work
Many excavation projects involve underground utilities or drainage systems. Our team regularly coordinates excavation work with:
Water and sewer installation
Utility Trenching
Drainage system installation
Please click below to learn more about our underground utility work.
Commercial Snow Removal & Relocation Services
White Mountain supports commercial properties year-round with snow removal and relocation services designed to minimize disruption and maintain safe access during winter conditions.
Our snow services include:
Commercial plowing
Snow relocation and hauling
Full-site snow management
Why Choose White Mountain Excavation?
When it comes to preparing a site for a project, there’s a lot at stake. Our team has the knowledge, experience, and equipment to ensure your job is completed safely and efficiently.
Residential and commercial excavation experience
Drainage grading
Pad preparation
Final grading prior to landscaping or paving
Licenses & Training
Manchester, NH Pipe Layers License
OSHA 40 Hours Certified
Confined Space Training
Class A Commercial Driver's License
SERVICE AREA
We provide excavation services within approximately 25 miles of our Candia, New Hampshire office, including:
Allenstown
Amherst
Bedford
Boscawen
Bow
Brentwood
Brookline
Candia
Chester
Concord
Danville
Deerfield
Derry
Dunbarton
East Kingston
Epping
Exeter
Fremont
Goffstown
Greenland
Hampstead
Hillsborough
Hollis
Hooksett
Hudson
Kensington
Kingston
Litchfield
Londonderry
Mason
Merrimack
Milford
Mont Vernon
Nashua
New Boston
Newfields
Newmarket
Newton
Northwood
Nottingham
Pelham
Pembroke
Plaistow
Raymond
Salem
Sandown
Seabrook
South Hampton
Stratham
Weare
Windham
Wilton
We also manage select projects in Northern Massachusetts.