Lead Pipe Map

South Dakota · population 1,270

Lead pipes in Gregory, SD

1,366 lines still unidentified

Most of Gregory (population 1,270) gets its water from Tripp County Water User District. It reported no confirmed lead service lines, but 1,366 of 1,675 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Tripp County Water User District'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
1,366Unknown material
309Non-lead

Latest lead test for Tripp County Water User District (2024): 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 Tripp County Water User District.

Water systems serving Gregory

Water systemLeadGalv.Unknown% lead
Tripp County Water User DistrictMain system001,3660%
GregoryAlso serves parts of the city007340%

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 Gregory

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

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.

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Gregory, SD have lead pipes?

None are confirmed, but Tripp County Water User District still lists 1,366 service lines as unknown material.

Who supplies water to Gregory?

EPA's service area maps place most of Gregory in Tripp County Water User District's service area (PWSID SD4600520). Gregory also serves parts of the city or nearby areas.

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

Search your address on Tripp County Water User District'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 Gregory 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 Tripp County Water User District whether your street is scheduled and whether it covers the private side.