Lead Pipe Map

Iowa · population 6,430

Lead pipes in Polk, IA

12 lines still unidentified

Most of Polk (population 6,430) gets its water from Polk City Water Supply. It reported no confirmed lead service lines, but 12 of 739 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Polk City Water Supply's service lines are lead or galvanized requiring replacement, lower than the Iowa average (5.6%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
12Unknown material
727Non-lead

Latest lead test for Polk City Water Supply (Jan 2023–Dec 2025): 1.3 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 Polk City Water Supply.

Water systems serving Polk

Water systemLeadGalv.Unknown% lead
Polk City Water SupplyMain system00120%
Des Moines Water WorksAlso serves parts of the city8,1141045,9509.0%

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 Polk

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

Find the official inventory mapPolk City Water Supply 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 Polk, IA have lead pipes?

None are confirmed, but Polk City Water Supply still lists 12 service lines as unknown material.

Who supplies water to Polk?

EPA's service area maps place most of Polk in Polk City Water Supply's service area (PWSID IA7770050). Des Moines Water Works also serves parts of the city or nearby areas.

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

Search your address on Polk City Water Supply'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 Polk 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 Polk City Water Supply whether your street is scheduled and whether it covers the private side.