Lead Pipe Map

South Dakota · population 3,059

Lead pipes in North Sioux, SD

No lead lines reported

Most of North Sioux (population 3,059) gets its water from Clay Rws/South Union, which reported 1,126 service lines and no lead, galvanized or unknown lines.

0% of Clay Rws/South Union's service lines are lead or galvanized requiring replacement, lower than the South Dakota average (0.8%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
0Unknown material
1,126Non-lead

Latest lead test for Clay Rws/South Union (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 Clay Rws/South Union.

Water systems serving North Sioux

Water systemLeadGalv.Unknown% lead
Clay Rws/South UnionMain system0000%
North Sioux CityServes nearby areas00180%

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 North Sioux

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

Find the official inventory mapClay Rws/South Union 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 North Sioux, SD have lead pipes?

Clay Rws/South Union, which serves North Sioux, reported no lead, galvanized or unknown service lines.

Who supplies water to North Sioux?

EPA's service area maps place most of North Sioux in Clay Rws/South Union's service area (PWSID SD4602185). North Sioux City also serves parts of the city or nearby areas.

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

Search your address on Clay Rws/South Union'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 North Sioux 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 Clay Rws/South Union whether your street is scheduled and whether it covers the private side.