Lead Pipe Map

South Carolina · population 6,068

Lead pipes in Marion, SC

3,635 lines still unidentified

Most of Marion (population 6,068) gets its water from Gsw&sa-Marion City of (Sc3310001). It reported no confirmed lead service lines, but 3,635 of 3,879 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Gsw&sa-Marion City of (Sc3310001)'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%).

0Lead
0Galvanized, replace
3,635Unknown material
244Non-lead

Latest lead test for Gsw&sa-Marion City of (Sc3310001) (Jan 2023–Dec 2025): 1.2 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 Gsw&sa-Marion City of (Sc3310001).

Water systems serving Marion

Water systemLeadGalv.Unknown% lead
Gsw&sa-Marion City of (Sc3310001)Main system003,6350%
Grand Strand W&sa/Bull CreekAlso serves parts of the city0047,2160%
Marco Rural Water Co (Sc3320001)Also serves parts of the city002,8310%

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 Marion

The counts above cover the whole water system. To see whether your line is lead, look up your address on Gsw&sa-Marion City of (Sc3310001)'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 Marion, SC have lead pipes?

None are confirmed, but Gsw&sa-Marion City of (Sc3310001) still lists 3,635 service lines as unknown material.

Who supplies water to Marion?

EPA's service area maps place most of Marion in Gsw&sa-Marion City of (Sc3310001)'s service area (PWSID SC3310001). Grand Strand W&sa/Bull Creek, Marco Rural Water Co (Sc3320001) also serve parts of the city or nearby areas.

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

Search your address on Gsw&sa-Marion City of (Sc3310001)'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 Marion 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 Gsw&sa-Marion City of (Sc3310001) whether your street is scheduled and whether it covers the private side.