Roanoke, Virginia Water Outage Today

Who runs the water in Roanoke: system profile

The system behind most taps in Roanoke is Western Virginia Water Authority, which EPA records list as serving roughly 182,700 people.

Where Roanoke's tap water comes from

Tap water in Roanoke starts as surface water. Western Virginia Water Authority takes it from Carvins Cove, the Spring Hollow River, and the Spring Hollow Reservoir and runs it through treatment before it reaches the mains. Treatment points named in EPA's facility list include Carvins Cove WTF, Spring Hollow WTF, and Crystal Spring WTF. After treatment the water is held in 72 storage tanks and reservoirs and pushed uphill by 53 pump facilities; that storage is the buffer that keeps taps running for a few hours after a pump or main fails.

Why this matters when the water stops. Surface water needs a treatment plant running around the clock, so a plant shutdown, a raw-water pump failure or a long power cut at the plant can lower pressure across the whole service area, not just on one street. Boil water notices are more likely to be citywide after that kind of failure than after a single main break.

Why the water goes out in Roanoke

These are the causes that match the record for Roanoke, listed roughly in order of how much they matter here.

• Freezing weather. Roanoke sees about 105 days a year with a low at or below 32°F, and 20 days at or below 20°F. The coldest morning in the 2015 through 2025 record came on March 6, 2015. The longest stretch with highs that never rose above freezing ran 9 days, ending January 8, 2018. Frozen service lines and meters cause single-address outages, while ground frost and thaw cycles crack older mains and produce the street-wide breaks.
• Older neighborhoods and pipe. 65% of occupied homes in Roanoke were built before 1970, against 35.5% nationally. Streets of that age tend to sit on cast iron and early steel mains that are near or past their design life, which is where most breaks start.
• Flooding and heavy rain. NOAA logged 38 flood, flash flood and heavy rain reports in Roanoke city from 2015 through 2026, and 7 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.
• Construction and third-party damage. A backhoe or boring crew that hits a main is among the most common reasons a single block goes dry without warning. Utilities handle those the same way as any break: isolate, repair, flush.
• 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 Roanoke water system

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

A note on the numbers: they are modeled for the city center and averaged over eleven years, so they show how often Roanoke sees each kind of weather, not what any one thermometer read on a given day.

Boil water advisories and the federal violation record for Roanoke

EPA lists 3 health-based violations for Western Virginia Water Authority since 2015.

Most recent health-based entries:

• January 2020: Drinking water above the legal limit for total trihalomethanes It is marked resolved.
• July 2019: Drinking water above the legal limit for total trihalomethanes It is marked resolved.
• July 2017: Drinking water above the legal limit for haloacetic acids It is marked resolved.

Boil water notices in Roanoke are precautions, not findings. When pressure drops, Western Virginia Water Authority tells affected customers to boil water until two rounds of lab tests are clean, a process that normally takes 24 to 48 hours after service is restored, under oversight from the Virginia Department of Health Office of Drinking Water.

What the lead tests and housing age say about Roanoke

The most recent 90th-percentile lead result filed for Western Virginia Water Authority is 0 ppb (2025). The federal action level is 15 ppb, so that result is far from the limit.

The age of the housing matters more than the utility's test average: 65% of occupied homes in Roanoke predate 1970 and 1986 was the year lead pipe and solder were banned. Flush the cold tap after an outage and ask Western Virginia Water Authority whether your service line is on its lead inventory.

When will the water come back on in Roanoke?

Most repairs of an ordinary main break in Roanoke take half a day once the crew is on site. Bigger mains, deep bury and busy roads stretch that to a day or more.

Ask Western Virginia Water Authority for a restoration estimate when you report the outage; for large breaks it is normally posted and updated as the repair progresses.

Preparing for a long water outage in Roanoke

Census figures put the typical Roanoke household at about 2.3 people. At one gallon per person per day that is 7 gallons for three days or 32 gallons for a two-week supply.

• 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.
• Fill a tub or large containers early for toilets, cleaning and handwashing, and store drinking water separately in clean bottles.

Roanoke versus neighboring water utilities

Water outage pages for nearby cities

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