Lead Pipe Map

Arkansas · population 8,589

Lead pipes in Prairie Grove, AR

3,457 lines still unidentified

Most of Prairie Grove (population 8,589) gets its water from Prairie Grove Waterworks. It reported no confirmed lead service lines, but 3,457 of 3,457 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Prairie Grove Waterworks'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
3,457Unknown material
0Non-lead

Latest lead test for Prairie Grove Waterworks (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 Prairie Grove Waterworks.

Water systems serving Prairie Grove

Water systemLeadGalv.Unknown% lead
Prairie Grove WaterworksMain system003,4570%
Washington Water Authority WwaServes nearby areas002,6110%

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 Prairie Grove

The counts above cover the whole water system. To see whether your line is lead, look up your address on Prairie Grove Waterworks'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 Prairie Grove, AR have lead pipes?

None are confirmed, but Prairie Grove Waterworks still lists 3,457 service lines as unknown material.

Who supplies water to Prairie Grove?

EPA's service area maps place most of Prairie Grove in Prairie Grove Waterworks's service area (PWSID AR0000573). Washington Water Authority Wwa also serves parts of the city or nearby areas.

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

Search your address on Prairie Grove Waterworks'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 Prairie Grove 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 Prairie Grove Waterworks whether your street is scheduled and whether it covers the private side.