Lead Pipe Map

Wisconsin · population 4,358

Lead pipes in Prairie du Sac, WI

32 lead or galvanized lines to replace

Most of Prairie du Sac (population 4,358) gets its water from Prairie Du Sac Waterworks. That system reported 0 lead and 32 galvanized-requiring-replacement service lines out of 1,800, with 36 more of unknown material.

1.8% of Prairie Du Sac Waterworks's service lines are lead or galvanized requiring replacement, lower than the Wisconsin average (11%) and lower than the national average (3.1%).

0Lead
32Galvanized, replace
36Unknown material
1,732Non-lead

Latest lead test for Prairie Du Sac Waterworks (Mar 2026–Jun 2026): 5.3 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 Prairie Du Sac Waterworks.

Water systems serving Prairie du Sac

Water systemLeadGalv.Unknown% lead
Prairie Du Sac WaterworksMain system032361.8%
Bluffview Sanitary DistrictAlso serves parts of the city001990%
Pine Vista MHP 1Also serves parts of the city00480%
Sauk City WaterworksServes nearby areas3316238712%

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 du Sac

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

Find the official inventory mapPrairie Du Sac Waterworks 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 Prairie du Sac, WI have lead pipes?

Yes. Prairie Du Sac Waterworks, which serves Prairie du Sac, reported 0 lead and 32 galvanized-requiring-replacement service lines, plus 36 of unknown material.

Who supplies water to Prairie du Sac?

EPA's service area maps place most of Prairie du Sac in Prairie Du Sac Waterworks's service area (PWSID WI1570100). Bluffview Sanitary District, Pine Vista MHP 1, Sauk City Waterworks also serve parts of the city or nearby areas.

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

Search your address on Prairie Du Sac 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 du Sac 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 Du Sac Waterworks whether your street is scheduled and whether it covers the private side.