Lead Pipe Map

North Dakota · population 28,821

Lead pipes in Williston, ND

161 lead or galvanized lines to replace

Most of Williston (population 28,821) gets its water from City of Williston. That system reported 72 lead and 89 galvanized-requiring-replacement service lines out of 8,494, with 307 more of unknown material.

1.9% of City of Williston's service lines are lead or galvanized requiring replacement, about the same as the North Dakota average (2.0%) and lower than the national average (3.1%).

72Lead
89Galvanized, replace
307Unknown material
8,026Non-lead

Latest lead test for City of Williston (Jan 2021–Dec 2023): not detected 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 City of Williston.

Water systems serving Williston

Water systemLeadGalv.Unknown% lead
City of WillistonMain system72893071.9%
Northwest Rural Water DistrictServes nearby areas001,2240%

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 Williston

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

Find the official inventory mapCity of Williston 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 Williston, ND have lead pipes?

Yes. City of Williston, which serves Williston, reported 72 lead and 89 galvanized-requiring-replacement service lines, plus 307 of unknown material.

Who supplies water to Williston?

EPA's service area maps place most of Williston in City of Williston's service area (PWSID ND5301012). Northwest Rural Water District also serves parts of the city or nearby areas.

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

Search your address on City of Williston'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 Williston 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 City of Williston whether your street is scheduled and whether it covers the private side.