Looking for a plumber to replace a lead water line in Bunker Hill, IL? Describe your project once and up to three licensed plumbers who work in Bunker Hill and Macoupin County get back to you with a quote. It's free and there is no obligation.
Bunker Hill is home to about 1,591 people (2024 Census Bureau estimate), a shrinking community (−2.5% since 2020). With 1,242 people per sq mi, it is a suburban area. Homes built before the mid-1980s, and especially before 1950, are the most likely to have a lead or galvanized service line.
Bunker Hill at a glance
- Population (Census Bureau estimate, 2024)
- 1,591 (−2.5% since 2020)
- Rank in Illinois
- 524th of 1,294 cities and towns
- Land area
- 1.3 sq mi
- Population density
- 1,242 people per sq mi (suburban)
- Type
- City (Bunker Hill city)
- Main county
- Macoupin County
What to check before hiring in Bunker Hill
- Ask your utility first: it holds the service line inventory and may run a replacement program with free or shared costs.
- License and permit: in Illinois, the work is done by a licensed plumber or contractor under a permit.
- Price drivers: line length and depth, sidewalk or driveway crossings, and the connection inside the home.
- Meanwhile: follow your utility's advice and use a filter certified for lead.
Useful official resources
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EPA: lead in drinking water
Health effects and how to reduce exposure.
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EPA: lead
Federal information on lead hazards.
Services available in Bunker Hill
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Lead service line replacement
Replacement of the private side of a lead or galvanized service line, coordinated with the water utility.
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Service line material check
Identification of the service line material at the meter and the entry point, for the utility inventory or a purchase.
Frequently asked questions in Bunker Hill
How much does lead line replacement cost in Bunker Hill, IL?
It depends on the line length and depth and on what your utility covers. Describe your home: plumbers who serve Bunker Hill reply with a quote.
Will my utility replace my line?
Many utilities have programs to replace lead lines; check with yours before hiring, as they may cover all or part of the cost.
How long does it take?
A typical replacement takes a day, plus the permit and the coordination with the utility.
Which licensed plumbers will contact me?
Up to three independent licensed plumbers who serve Bunker Hill and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.