South Dakota · population 79,894
Lead pipes in Rapid, SD
305 lead or galvanized lines to replace
Most of Rapid (population 79,894) gets its water from Rapid City. That system reported 106 lead and 199 galvanized-requiring-replacement service lines out of 23,451, with 1,194 more of unknown material.
1.3% of Rapid City's service lines are lead or galvanized requiring replacement, higher than the South Dakota average (0.8%) and lower than the national average (3.1%).
- Lead 0.5%
- Galvanized (replace) 0.8%
- Unknown 5.1%
- Non-lead 94%
Latest lead test for Rapid City (2024): 6 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 Rapid City.
Water systems serving Rapid
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Rapid CityMain system | 106 | 199 | 1,194 | 1.3% |
| WhitewoodServes nearby areas | 0 | 0 | 409 | 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 Rapid
The counts above cover the whole water system. To see whether your line is lead, look up your address on Rapid City'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
- Box Elder253 unknown
- Summerset33 unknown
- Piedmont372 unknown
- Sturgis23 lead + galv. lines
- Lead2 lead + galv. lines
- Spearfish37 lead + galv. lines
- Belle Fourche4 lead + galv. lines
- Eagle Butte764 unknown
Check another water system
Questions
Does Rapid, SD have lead pipes?
Yes. Rapid City, which serves Rapid, reported 106 lead and 199 galvanized-requiring-replacement service lines, plus 1,194 of unknown material.
Who supplies water to Rapid?
EPA's service area maps place most of Rapid in Rapid City's service area (PWSID SD4600406). Whitewood also serves parts of the city or nearby areas.
How do I check whether my Rapid home has a lead service line?
Search your address on Rapid City'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 Rapid 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 Rapid City whether your street is scheduled and whether it covers the private side.