Greensboro, North Carolina Water Outage Today

Who runs the water in Greensboro: system profile

Federal records name City of Greensboro as the public water system for Greensboro, with about 319,588 people on its mains. Customers know it as Greensboro Water Resources; the name on your bill is the one to call.

Source water and treatment in Greensboro

Greensboro drinks surface water. City of Greensboro draws it from Lake Brandt and Lake Townsend and treats it before it goes into the distribution system. After treatment the water is held in 14 storage tanks and reservoirs, which is the buffer that keeps taps running for a few hours after a pump or main fails.

The outage angle. A surface-water system depends on its plant staying online. If the plant, the raw-water pumps or the power feeding them fails, pressure can fall across the entire service area at once, and a precautionary boil notice tends to cover whole zones rather than the single street of a main break. EPA lists 3 emergency connections to neighboring systems, which can be opened to move water across a boundary during a failure.

Main breaks and shutoffs in Greensboro: the usual causes

Which failures hit Greensboro hardest follows from its weather, its housing stock and how it is supplied.

• Freezing weather. Greensboro sees about 67 days a year with a low at or below 32°F, and 6 days at or below 20°F. The coldest morning in the 2015 through 2025 record came on February 20, 2015. The longest stretch with highs that never rose above freezing ran 8 days, ending January 7, 2018. Frost pushes into shallow service lines first. Mains follow when the ground heaves and thaws, which is why break counts climb a day or two after the temperature swings.
• Flooding and heavy rain. NOAA logged 70 flood, flash flood and heavy rain reports in Guilford County from 2015 through 2026, and 8 days a year bring an inch of rain or more. Flooding is hard on water systems in three ways: it erodes soil around pipe crossings, drowns pumps and electrical equipment, and can let contaminated runoff into the mains, which triggers precautionary boil notices.
• Storm-driven power loss. Thunderstorm wind, hail and tornado reports in Guilford County number 232 since 2015. Pump stations and treatment plants that depend on Duke Energy run on the electric grid, so a storm that downs power lines can lower water pressure even when no pipe is damaged.
• Damage from other crews. Water mains share the ground with gas, power and telecom lines, and a strike by any contractor can dry up a block in seconds.
• One-address problems. A closed valve, a meter swap or a failed regulator can leave a single house dry. Compare notes with a neighbor first; if they have water too, start with your own plumbing.

How weather strains the Greensboro water system

Main break season in Greensboro runs from late fall into early spring, with the coldest stretch around December through February.

The figures are reanalysis estimates for the center of Greensboro, not readings from a single weather station, so treat them as a guide to how often each kind of weather occurs rather than as official records.

Boil water advisories and the federal violation record for Greensboro

Since 2015, EPA's record for City of Greensboro shows no health-based violations. It also lists 3 monitoring or reporting entries that are about paperwork rather than water quality, such as a missed sample or a late report.

Most recent entries, all monitoring or reporting:

• January 2025: A lead consumer notice requirement It is marked resolved.
• November 2022: A missed or late monitoring or reporting requirement (surface water treatment and turbidity) It is marked resolved.

When Greensboro loses pressure after a break or a failed test, Greensboro Water Resources asks affected customers to boil water for drinking and cooking. The notice ends only after samples come back clean, which usually takes one to two days after service returns, and the North Carolina DEQ Public Water Supply Section supervises the process.

Lead, older pipes and water quality in Greensboro

The most recent 90th-percentile lead result filed for City of Greensboro is 0 ppb (2025). The federal action level is 15 ppb, so that result is well under it.

29.9% of occupied homes in Greensboro were built before 1970, and lead service lines and solder stayed legal until the federal ban in 1986. After any outage that disturbs the pipes, run the cold tap 30 seconds to 2 minutes before drinking, and ask Greensboro Water Resources about its lead service line inventory.

Restoration times for water outages in Greensboro

A crew that arrives at an ordinary main break in Greensboro usually needs 4 to 8 hours to isolate the pipe, dig, repair, flush and restore pressure. Large transmission mains, deep pipes and breaks under busy streets can take a day or more. With 319,588 people on the system, a break on a main that feeds a whole district can leave thousands of homes dry at once, and crews may close valves several blocks away to isolate it.

For a break that affects many customers, Greensboro Water Resources usually posts an estimated restoration time. When you call, ask the dispatcher what the crew has told them.

Preparing for a long water outage in Greensboro

The average household in Greensboro has about 2.4 people, so FEMA's minimum of one gallon per person per day comes to roughly 7 gallons for three days and 34 gallons for two weeks.

• Your water heater tank holds 30 to 50 gallons of clean water. Turn off the power or gas to it first, then drain from the valve at the bottom.
• If a planned shutoff or storm is coming, fill the tub and some buckets for flushing toilets and washing; keep drinking water in clean sealed containers.

How Greensboro compares with nearby water systems

Water outage pages for nearby cities

High Point, NC · Winston-Salem, NC · Durham, NC · Cary, NC