Waukegan, Illinois Water Outage Today

Who runs the water in Waukegan: system profile

The city runs its own public water system, which EPA records show serving roughly 87,149 people. Customers know it as City of Waukegan Water Utility; the name on your bill is the one to call.

Where Waukegan's tap water comes from

Tap water in Waukegan starts as surface water. Waukegan takes it from rivers, lakes or reservoirs and runs it through treatment before it reaches the mains. After treatment the water is held in 6 storage tanks and reservoirs and pushed uphill by 3 pump facilities; that storage 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 2 emergency connections to neighboring systems, which can be opened to move water across a boundary during a failure.

Main breaks and shutoffs in Waukegan: the usual causes

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

• Freezing weather. Waukegan sees about 137 days a year with a low at or below 32°F, and 53 days at or below 20°F. The coldest morning in the 2015 through 2025 record came on January 31, 2019. The longest stretch with highs that never rose above freezing ran 19 days, ending March 2, 2015. 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. 53.8% of occupied homes in Waukegan 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 65 flood, flash flood and heavy rain reports in Lake County from 2015 through 2026, and 6 days a year bring an inch of rain or more. Floodwater can undercut pipe crossings, swamp pump stations and overload treatment plants, and a notice to boil water often follows when it enters the system.
• Storm-driven power loss. Thunderstorm wind, hail and tornado reports in Lake County number 225 since 2015. Pump stations and treatment plants that depend on ComEd 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.
• Scheduled work, or a fault inside your own home. Utilities warn customers before a planned shutoff. If nothing was announced and the neighbors are fine, the cause is probably your shutoff valve, meter or pressure regulator.

How weather strains the Waukegan water system

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

Because this is gridded reanalysis data, individual hot and cold days can read a few degrees off what the airport recorded. The day counts and yearly patterns are the useful part.

Waukegan boil water notices and EPA compliance record

EPA lists no health-based violations for Waukegan since 2015. It also lists 7 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:

• July 2025: A late or missing annual water quality report
• April 2025: A missed or late disinfection byproduct monitoring sample It is marked resolved.

A boil water notice in Waukegan is a separate thing from a violation. City of Waukegan Water Utility issues one when pressure falls low enough for contamination to enter the pipes, after a main break is repaired, or when a routine test comes back positive. The Illinois Environmental Protection Agency (Illinois EPA) oversees the process, and the notice stays until clean samples come back, usually a day or two after pressure returns.

What the lead tests and housing age say about Waukegan

The most recent 90th-percentile lead result filed for Waukegan is 9 ppb (2025). The federal action level is 15 ppb, so that result is under it, but not by much.

The age of the housing matters more than the utility's test average: 53.8% of occupied homes in Waukegan predate 1970 and 1986 was the year lead pipe and solder were banned. Flush the cold tap after an outage and ask City of Waukegan Water Utility whether your service line is on its lead inventory.

How long a water outage lasts in Waukegan

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

For a break that affects many customers, City of Waukegan Water Utility 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 Waukegan

The average household in Waukegan has about 2.8 people, so FEMA's minimum of one gallon per person per day comes to roughly 8 gallons for three days and 39 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.
• Fill the bathtub and a few large pots as soon as you hear a break is likely; that water is for flushing and washing, not drinking.

Water systems near Waukegan, side by side

Water outage pages for nearby cities

Kenosha, WI · Racine, WI · Elgin, IL · Chicago, IL