Lead Pipe Map

Missouri · population 16,809

Lead pipes in Hannibal, MO

5,776 lead or galvanized lines to replace

Most of Hannibal (population 16,809) gets its water from Hannibal PWS. That system reported 5,776 lead and 0 galvanized-requiring-replacement service lines out of 11,292, with 1,956 more of unknown material.

51% of Hannibal PWS's service lines are lead or galvanized requiring replacement, higher than the Missouri average (3.3%) and higher than the national average (3.1%).

5,776Lead
0Galvanized, replace
1,956Unknown material
3,560Non-lead

Latest lead test for Hannibal PWS (Jan 2022–Dec 2024): 5.3 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 Hannibal PWS.

Water systems serving Hannibal

Water systemLeadGalv.Unknown% lead
Hannibal PWSMain system5,77601,95651%
Ralls County PWSD 1Serves nearby areas002,7660%

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 Hannibal

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

Find the official inventory mapHannibal PWS 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 Hannibal, MO have lead pipes?

Yes. Hannibal PWS, which serves Hannibal, reported 5,776 lead and 0 galvanized-requiring-replacement service lines, plus 1,956 of unknown material.

Who supplies water to Hannibal?

EPA's service area maps place most of Hannibal in Hannibal PWS's service area (PWSID MO2010344). Ralls County PWSD 1 also serves parts of the city or nearby areas.

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

Search your address on Hannibal PWS'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 Hannibal 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 Hannibal PWS whether your street is scheduled and whether it covers the private side.