Commercial plumbing in Smithfield often means older buildings: drain and sewer clogs, worn restroom fixtures, water heaters and the backflow assemblies the Town's cross-connection ordinance requires. Smithfield treats its own Neuse River water, and Johnston County handles building inspections under contract. Call the number on this page to be connected with a local plumber in Smithfield.
What does Smithfield's backflow ordinance ask of a business?
The Town requires backflow assemblies based on the degree of hazard and for listed facilities, including lawn and commercial irrigation systems. Assemblies are tested at installation and at least once a year by the installation anniversary, by a tester the Town has approved (NC AWWA training). The customer pays for testing, and repairs must be made within 30 days. If you're not sure whether your building's use calls for a reduced pressure assembly or a double check, a plumber or the Town's utility staff can tell you.
Who handles permits and inspections here?
Two steps. The Town's Planning department issues the zoning permit first. Then Johnston County Building Inspections, which the Town contracts to manage building permit inspections, takes over; its office is at 309 E. Market St in Smithfield (919-989-5060). For a tenant build-out, added fixtures or a new commercial water heater, expect both.
Why do Smithfield buildings need more drain work than newer towns?
Smithfield was chartered in 1777, and its housing is old by Triangle standards: about 65% of homes predate 1980, with the median built in 1973. The Downtown Smithfield Historic District and the commercial strips along Market Street (US 70 Business) and Brightleaf Boulevard (US 301) have buildings of similar age. Older cast iron and clay lines collect scale and roots, and past repairs may mix materials. A camera inspection can show whether a repeat clog is buildup that jetting will clear or a damaged section that needs repair.
The Town runs its own collection system, with Johnston County interceptors running through town to the Central Johnston County Regional Wastewater Facility south of Smithfield. Water is treated at the Town's plant on N 2nd St and carries chloramine. A separate Smithfield South district gets its water from Johnston County Utilities.
A local note
Restaurants and hotels near the I-95 exits run heavy water loads at odd hours. If a kitchen line or main backs up overnight, shut down the affected fixtures and call; ask for a plumber who can work before the morning rush. For a scheduled job such as replacing restroom fixtures or a water heater, book it for a slower day and confirm the County permit is in hand first.
Commercial Plumbing questions in Smithfield
What kind of backflow assembly does a commercial water service need?
How often does a commercial backflow assembly have to be tested?
Who issues the plumbing permit for work on a commercial building?
The main line backed up during business hours. Who do we call first?
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