Looking for trusted drain replacement in Welland? McDowell Drain & Waterproofing provides expert solutions for basement waterproofing, sewer repairs, and more. Welland homeowners know the importance of protecting their homes from water damage. McDowell Drain & Waterproofing specializes in sump pump and comprehensive waterproofing solutions tailored to Welland’s unique needs. With over 45 years of experience, we’re your trusted partner for all things plumbing.
From canal-side homes to central neighborhoods, Welland sits on high-moisture ground. McDowell Drain & Waterproofing keeps that water out where it belongs — outside.
We handle crack repair, drain replacement, sump pump installation, and full waterproofing systems, built for the local soil and storm load. Reliable, responsive, and clean — we’re Welland’s go-to name for dry basements and lasting repairs.
McDowell Drain & Waterproofing is the trusted expert for residential and commercial drainage solutions across the Niagara Region. Whether you’re in St. Catharines, Niagara Falls, Thorold, Welland, Fort Erie, Grimsby, or nearby areas, we provide professional drain cleaning, sewer repairs, waterproofing, and foundation repairs.
At McDowell Drain & Waterproofing, we pride ourselves on delivering reliable and professional drainage solutions to the Welland area. Our expert technicians are dedicated to providing personalized service with a focus on your specific needs. Discover our sewer camera inspection in Thorold and interior basement waterproofing in St. Catharines.
We’ve successfully completed over 3,500 drainage and waterproofing projects across the region—earning the trust of homeowners and businesses alike.
With more than 45 years in the industry, we bring unmatched expertise, hands-on knowledge, and proven reliability to every job.
Our team is composed of highly skilled and experienced professionals, ensuring top-quality service every time.
We are available around the clock to resolve your drainage issues, no matter the time of day or night.
We provide honest, upfront pricing with no hidden fees, so you know exactly what to expect.
Each project is handled individually, with personalized solutions designed to meet your unique needs.
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In Welland, basement waterproofing typically costs between $6 to $18 per square foot for complete basement floor or crawl space systems—ideal for interior waterproofing and drainage upgrades. For linear foot pricing—interior systems like weeping tile, sump pump, and sealing range around $75–$150 per linear foot. Total project costs generally fall into the range of $3,000 to $9,000, depending on basement size, foundation type, soil conditions, and water intrusion severity. Welland’s high groundwater levels and clay soil make effective drainage vital to preventing recurring leaks and mold.
Yes — McDowell Drain & Waterproofing has been protecting homes in Welland for over 45 years, and our approach is simple: we deliver results first, and you pay only when you’re satisfied. Homeowners trust us because we’re not just contractors — we’re Google Guaranteed, locally based, and backed by 5-star reviews from your neighbours. From flooded basements near the Welland River to clogged drains in newer subdivisions, we’ve seen it all and solved it all. Unlike companies that overcharge or vanish after the job, we stand by every service — whether it’s basement waterproofing, drain repair, sump pump installation, or backwater valve protection. Our reputation in Welland has been earned through honesty, reliability, and lasting results. When water threatens your home, we don’t scare you into buying — we show you real solutions you can trust.
Yes — McDowell Drain & Waterproofing proudly serves every corner of St. Catharines, from historic Downtown and Old Glenridge to lakefront communities like Port Dalhousie and Lakeport. With 45+ years of local expertise, we’ve seen it all — high water tables along Lake Ontario, clay-soil hydrostatic pressure near the escarpment, and outdated foundation systems in heritage homes. Our proven services include basement waterproofing, drain repair and replacement, sump pump installation, backwater valves, and clogged drain clearing — all tailored to the unique conditions of St. Catharines. Backed by Google Guaranteed service, 5-star reviews, and decades of case experience, we’re the most trusted drainage and waterproofing team in the Niagara Region. If your basement leaks, floods, or shows warning signs, we have already solved those same problems for your neighbours. Below, explore how we protect homes in each St. Catharines neighbourhood.
A homeowner near the Welland River called us after three floods in one season destroyed their finished basement. They’d already spent thousands with another company but the leaks returned. Our team assessed the foundation, installed a new weeping tile system and sump pump, and monitored it through the next storm. Result? A completely dry basement — and we only invoiced once the client was satisfied. Stories like this are common in Welland South, where high groundwater is a major risk. Families here trust McDowell because we don’t guess — we diagnose, fix, and stand behind our work with decades of local proof.
We serve every neighbourhood in Welland, ON — covering all postal areas L3B and L3C — including Dain City, Chippawa Park, Downtown/Market Square, South Pelham, North Welland, Seaway Mall/Woodlawn, Cooks Mills, Aqueduct, and Quaker Road/Empire.
Heavy rains and root intrusion are common causes of sewer backups in Welland.
It uses hydraulic equipment to replace pipes without extensive digging, saving time and costs.
They detect blockages, cracks, and root intrusion early, preventing costly repairs.
Frequent heavy rains can overwhelm foundations, making waterproofing essential for flood prevention.
Yes, we upgrade outdated pipes and clear blockages to restore full water flow.
We recommend annual drain cleaning to maintain optimal plumbing performance.
We use hydro jetting, augers, and eco-friendly solutions to clear blockages.