Lead pipes in South Carolina
South Carolina's 559 community water systems reported 6,570 lead and 9,667 galvanized-requiring-replacement service lines, plus 327,659 of unknown material. That ranks #27 among states for confirmed lead lines.
- Lead 0.3%
- Galvanized (replace) 0.5%
- Unknown 16%
- Non-lead 83%
0.8% of the service lines South Carolina utilities reported are lead or galvanized requiring replacement, well below the national share of 3.1%. 16% are still unidentified (national: 21%). The largest counts are in Charleston Water System (Sc1010001) (6,506), Easley Combined Util (Sc3910002) (2,744), Greer CPW (1,809).
Since 2025 Q1, reported lead and galvanized lines in South Carolina went from 28,162 to 16,237 (down 11,925). See which systems made the most progress.
Systems with confirmed lead lines (54)
No confirmed lead, but unknown lines remain (87)
Showing 50. See all
No lead or unknown lines reported (153)
Systems serving 1,000 or more people. Systems without counts on file are listed as 0.
Showing the 50 largest. See all
Lead pipes in South Carolina cities
- Charleston6,506 lead + galv. lines
- Columbia196 unknown
- North Charleston6,506 lead + galv. lines
- Mount Pleasantno lead reported
- Rock Hillno lead reported
- Greenvilleno lead reported
- Summervilleno lead reported
- Goose Creek1 lead + galv. lines
- Greer1,809 lead + galv. lines
- Sumterno lead reported
- Florence556 lead + galv. lines
- Myrtle Beach10,784 unknown
- Spartanburgno lead reported
- Hilton Head Islandno lead reported
- Fort Mill416 lead + galv. lines
- Blufftonno lead reported
- Aikenno lead reported
- Andersonno lead reported
- Mauldinno lead reported
- Conwayno lead reported
- Simpsonvilleno lead reported
- Easley2,744 lead + galv. lines
- North Augustano lead reported
- Lexington39 lead + galv. lines
- Greenwood1,919 unknown
- Hanahan6,506 lead + galv. lines
- North Myrtle Beachno lead reported
- Clemsonno lead reported
- West Columbia151 lead + galv. lines
- Moncks Corner1,630 unknown
South Carolina lead pipe questions
How many lead pipes are in South Carolina?
South Carolina's community water systems reported 6,570 lead service lines and 9,667 galvanized lines that must be replaced, for 16,237 in total. Another 327,659 lines are of unknown material.
Which South Carolina water systems have the most lead pipes?
Charleston Water System (Sc1010001) (6,506), Easley Combined Util (Sc3910002) (2,744), Greer CPW (1,809). Counts are lead plus galvanized-requiring-replacement lines.
What share of South Carolina service lines are lead?
0.8% of reported service lines in South Carolina are lead or galvanized requiring replacement, well below the national figure of 3.1%. 16% are still unknown, compared with 21% nationally.
How do I find out if my South Carolina home has a lead service line?
Search for your water system or ZIP code above, then open your utility's address-level inventory map. You can also check the pipe where it enters your home with a scratch and magnet test.
Source: EPA SDWIS service line inventory, 2026 Q3. Smaller systems with no lead or unknown lines are omitted. See also national rankings.