South Dakota · population 1,343
Lead pipes in Groton, SD
9 lines still unidentified
Most of Groton (population 1,343) gets its water from Groton. It reported no confirmed lead service lines, but 9 of 748 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of Groton'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%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 1.2%
- Non-lead 99%
Latest lead test for Groton (2023): 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 Groton.
Water systems serving Groton
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| GrotonMain system | 0 | 0 | 9 | 0% |
| Brown-Day-Marshall RWSServes nearby areas | 0 | 0 | 1,240 | 0% |
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 Groton
The counts above cover the whole water system. To see whether your line is lead, look up your address on Groton'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 Groton, SD have lead pipes?
None are confirmed, but Groton still lists 9 service lines as unknown material.
Who supplies water to Groton?
EPA's service area maps place most of Groton in Groton's service area (PWSID SD4600147). Brown-Day-Marshall RWS also serves parts of the city or nearby areas.
How do I check whether my Groton home has a lead service line?
Search your address on Groton'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 Groton 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 Groton whether your street is scheduled and whether it covers the private side.