South Carolina · population 95,604
Lead pipes in Mount Pleasant, SC
No lead lines reported
Most of Mount Pleasant (population 95,604) gets its water from Mt Pleasant Waterworks (Sc1010002), which reported 41,611 service lines and no lead, galvanized or unknown lines.
0% of Mt Pleasant Waterworks (Sc1010002)'s service lines are lead or galvanized requiring replacement, lower than the South Carolina average (0.8%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 100%
Latest lead test for Mt Pleasant Waterworks (Sc1010002) (Jan 2024–Dec 2026): 1 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 Mt Pleasant Waterworks (Sc1010002).
Water systems serving Mount Pleasant
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Mt Pleasant Waterworks (Sc1010002)Main system | 0 | 0 | 0 | 0% |
| Charleston Water System (Sc1010001)Serves nearby areas | 6,504 | 2 | 65,064 | 4.8% |
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 Mount Pleasant
The counts above cover the whole water system. To see whether your line is lead, look up your address on Mt Pleasant Waterworks (Sc1010002)'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
- Sullivan's Islandno lead reported
- Charleston6,506 lead + galv. lines
- James Island6,506 lead + galv. lines
- Isle of Palmsno lead reported
- Folly Beachno lead reported
- Hanahan6,506 lead + galv. lines
- North Charleston6,506 lead + galv. lines
- Goose Creek1 lead + galv. lines
Check another water system
Questions
Does Mount Pleasant, SC have lead pipes?
Mt Pleasant Waterworks (Sc1010002), which serves Mount Pleasant, reported no lead, galvanized or unknown service lines.
Who supplies water to Mount Pleasant?
EPA's service area maps place most of Mount Pleasant in Mt Pleasant Waterworks (Sc1010002)'s service area (PWSID SC1010002). Charleston Water System (Sc1010001) also serves parts of the city or nearby areas.
How do I check whether my Mount Pleasant home has a lead service line?
Search your address on Mt Pleasant Waterworks (Sc1010002)'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 Mount Pleasant 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 Mt Pleasant Waterworks (Sc1010002) whether your street is scheduled and whether it covers the private side.