Lead Pipe Map

Georgia · population 20,119

Lead pipes in St. Marys, GA

3,293 lines still unidentified

Most of St. Marys (population 20,119) gets its water from St. Marys. It reported no confirmed lead service lines, but 3,293 of 8,390 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of St. Marys's service lines are lead or galvanized requiring replacement, lower than the Georgia average (1.4%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
3,293Unknown material
5,097Non-lead

Latest lead test for St. Marys (Jan 2023–Dec 2025): 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 St. Marys.

Water systems serving St. Marys

Water systemLeadGalv.Unknown% lead
St. MarysMain system003,2930%
Usn-Kings Bay Submarine BaseServes nearby areas02600.3%

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 St. Marys

The counts above cover the whole water system. To see whether your line is lead, look up your address on St. Marys'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 St. Marys, GA have lead pipes?

None are confirmed, but St. Marys still lists 3,293 service lines as unknown material.

Who supplies water to St. Marys?

EPA's service area maps place most of St. Marys in St. Marys's service area (PWSID GA0390001). Usn-Kings Bay Submarine Base also serves parts of the city or nearby areas.

How do I check whether my St. Marys home has a lead service line?

Search your address on St. Marys'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 St. Marys 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 St. Marys whether your street is scheduled and whether it covers the private side.