Lockport exists because of a 60-foot cliff. The Niagara Escarpment drops abruptly through the middle of the city, and the Erie Canal climbs it through Locks 34 and 35, with the old Flight of Five chambers still in place beside them as a spillway. The Niagara County seat grew around that engineering feat, and many of its streets, sewers and houses date from the canal era and the decades after.
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Combined Sewers and Wet-Weather Backups
Parts of the city still run on combined sewers, where storm runoff and household sewage share one pipe. The city's engineering department has worked to separate them, including a project on High Street from Locust Street to the Barge Canal, and it reports combined sewer overflows to the NY Alert system during wet weather. Drainage studies around Eighteen Mile Creek and Market Street were funded to pin down problems in the combined system.
For homeowners, the practical takeaway is that a hard rain or quick thaw can push water back through basement floor drains. That water carries sewage, so sewage cleanup should include removing soaked porous materials, disinfecting hard surfaces and drying the space completely. Ask a plumber whether a backwater valve fits your lateral, and remember that the city's wastewater plant directs after-hours emergencies to the police department's main line.
Living Above and Below the Escarpment
Elevations shift noticeably inside city limits: the official figure is 614 feet, but the highest street tops 650 feet, and the lower town sits below the ledge. Water follows that grade. Runoff from higher ground heads for low streets, older basements near the base of the slope can take on groundwater during snowmelt, and properties near the canal or creeks should be checked against FEMA's flood map rather than assumed safe.
Historic neighborhoods such as Lowertown and the High and Locust Streets district contain older homes with stone foundations, plaster walls and plumbing reworked many times over. Water moves through those materials differently than through modern drywall, and drying them takes patience and good moisture readings. A careful approach to structural drying can save original plaster and woodwork that would be hard to replace.
Winter Storms, Power Loss and Generator Safety
Eastern Niagara County gets its share of severe winter weather. During the December 2022 blizzard, a person in the county died of carbon monoxide poisoning, a reminder that a storm's indirect hazards can be as dangerous as the snow. If the power goes out and the furnace stops, pipes in outside walls, crawl spaces and attached garages can freeze within hours.
- Run generators only outdoors, well away from doors and windows.
- Know where your main water shutoff is and how to close it.
- If heat will be off for a long time, drain the plumbing.
- After the thaw, check ceilings and walls for stains that point to split pipes or ice dam leaks.
Preventing Mold After a Leak or Backup
Precipitation here runs about 38 inches a year, and summers are humid enough that a wet basement can grow mold within a couple of days. Watch drywall paper, paneling, carpet backing and cardboard boxes. Small, surface spots on nonporous materials can often be cleaned. Larger areas, or any growth after a sewage backup, should go to a contractor working under New York's state mold program, where the assessment and remediation must come from separate companies. Unless the leak, drain or seepage behind it is corrected, the growth tends to return.
Insurance Notes for Canal-Town Homeowners
Sewer and drain backup is often excluded from homeowners policies unless an endorsement was added, and flooding from surface water or a creek requires separate flood coverage. A sudden pipe burst is usually covered. Photograph the damage before cleanup, keep removed materials or photos of them, and contact your insurer early. Downstream along the canal, North Tonawanda deals more with creek flooding, and our New York page covers statewide risks.
Areas In and Around Lockport
Calls come in from across Lockport, including:
- Lowertown
- High and Locust Streets
- Lockport Industrial District
The same line also serves nearby communities such as:
- South Lockport
- Rapids
- Gasport
- Middleport
- Newfane
- North Tonawanda
Questions From Lockport Property Owners
What is a combined sewer overflow, and does it affect my basement?
In a combined system, stormwater and sewage share the same pipes. During heavy rain the pipes can exceed capacity, causing overflows that Lockport reports through NY Alert. The same surge can push water back into basements through floor drains. The city has been separating combined sewers on streets such as High Street to reduce the problem.
Who do I call if the sewer backs up after hours in Lockport?
The city's wastewater treatment department says emergencies outside office hours should go to the Lockport Police Department at 716-433-7700, which can reach the right crew. During normal hours the wastewater plant on West Jackson Street can be reached directly. For cleanup inside your home, a restoration provider can extract the water and disinfect the area.
Can plaster walls in a Lowertown house be dried instead of replaced?
Plaster that stayed firmly attached and got wet from clean water can often be dried in place with dehumidifiers and air movement, sometimes by venting the wall cavity. If water came from a sewer backup or flood, or the plaster has softened or pulled loose, replacement is usually the safer choice. Moisture readings should confirm the wall is dry before refinishing.