Lead Pipe Map

Illinois · population 7,983

Lead pipes in South Beloit, IL

166 lead or galvanized lines to replace

Most of South Beloit (population 7,983) gets its water from IL American-South Beloit. That system reported 36 lead and 130 galvanized-requiring-replacement service lines out of 3,131, with 2,286 more of unknown material.

5.3% of IL American-South Beloit's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and higher than the national average (3.1%).

36Lead
130Galvanized, replace
2,286Unknown material
679Non-lead

Latest lead test for IL American-South Beloit (Jul 2025–Dec 2025): 2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for IL American-South Beloit.

Water systems serving South Beloit

Water systemLeadGalv.Unknown% lead
IL American-South BeloitMain system361302,2865.3%

Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.

Check your address in South Beloit

The counts above cover the whole water system. To see whether your line is lead, look up your address on IL American-South Beloit's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapIL American-South Beloit details

No map yet? Do the 2-minute scratch and magnet test.

Protect your drinking water

If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does South Beloit, IL have lead pipes?

Yes. IL American-South Beloit, which serves South Beloit, reported 36 lead and 130 galvanized-requiring-replacement service lines, plus 2,286 of unknown material.

Who supplies water to South Beloit?

EPA's service area maps place most of South Beloit in IL American-South Beloit's service area (PWSID IL2010450).

How do I check whether my South Beloit home has a lead service line?

Search your address on IL American-South Beloit's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.

When will lead pipes in South Beloit be replaced?

EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask IL American-South Beloit whether your street is scheduled and whether it covers the private side.