Lead Pipe Map

Iowa · population 2,415

Lead pipes in Marengo, IA

62 lead or galvanized lines to replace

Most of Marengo (population 2,415) gets its water from Marengo Water Supply. That system reported 17 lead and 45 galvanized-requiring-replacement service lines out of 555, with 41 more of unknown material.

11% of Marengo Water Supply's service lines are lead or galvanized requiring replacement, higher than the Iowa average (5.6%) and higher than the national average (3.1%).

17Lead
45Galvanized, replace
41Unknown material
452Non-lead

Latest lead test for Marengo Water Supply (Jan 2021–Dec 2023): 1.2 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 Marengo Water Supply.

Water systems serving Marengo

Water systemLeadGalv.Unknown% lead
Marengo Water SupplyMain system17454111%

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 Marengo

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

Find the official inventory mapMarengo 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 Marengo, IA have lead pipes?

Yes. Marengo Water Supply, which serves Marengo, reported 17 lead and 45 galvanized-requiring-replacement service lines, plus 41 of unknown material.

Who supplies water to Marengo?

EPA's service area maps place most of Marengo in Marengo Water Supply's service area (PWSID IA4843033).

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

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