Lead Pipe Map

Arkansas · population 8,185

Lead pipes in Monticello, AR

3,241 lines still unidentified

Most of Monticello (population 8,185) gets its water from Monticello Water Department. It reported no confirmed lead service lines, but 3,241 of 4,800 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Monticello Water Department's service lines are lead or galvanized requiring replacement, lower than the Arkansas average (0.9%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
3,241Unknown material
1,559Non-lead

Latest lead test for Monticello Water Department (Jan 2023–Dec 2025): 1 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 Monticello Water Department.

Water systems serving Monticello

Water systemLeadGalv.Unknown% lead
Monticello Water DepartmentMain system003,2410%
Lacey-Ladelle Water AssociatioServes nearby areas004860%

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 Monticello

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

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.

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

Nearby cities

Check another water system

Questions

Does Monticello, AR have lead pipes?

None are confirmed, but Monticello Water Department still lists 3,241 service lines as unknown material.

Who supplies water to Monticello?

EPA's service area maps place most of Monticello in Monticello Water Department's service area (PWSID AR0000184). Lacey-Ladelle Water Associatio also serves parts of the city or nearby areas.

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

Search your address on Monticello Water Department'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 Monticello 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 Monticello Water Department whether your street is scheduled and whether it covers the private side.