Lead Pipe Map

South Dakota · population 2,372

Lead pipes in Flandreau, SD

1,331 lines still unidentified

Most of Flandreau (population 2,372) gets its water from Flandreau. It reported no confirmed lead service lines, but 1,331 of 1,331 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Flandreau'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
1,331Unknown material
0Non-lead

Latest lead test for Flandreau (2024): 1 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for Flandreau.

Water systems serving Flandreau

Water systemLeadGalv.Unknown% lead
FlandreauMain system001,3310%
Big Sioux Community Water SystemServes nearby areas0000%

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 Flandreau

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

Find the official inventory mapFlandreau 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 Flandreau, SD have lead pipes?

None are confirmed, but Flandreau still lists 1,331 service lines as unknown material.

Who supplies water to Flandreau?

EPA's service area maps place most of Flandreau in Flandreau's service area (PWSID SD4600127). Big Sioux Community Water System also serves parts of the city or nearby areas.

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

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