Lead Pipe Map

Louisiana · population 23,426

Lead pipes in Hammond, LA

6,907 lines still unidentified

Most of Hammond (population 23,426) gets its water from City of Hammond Water System. It reported no confirmed lead service lines, but 6,907 of 8,465 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of City of Hammond Water System's service lines are lead or galvanized requiring replacement, lower than the Louisiana average (1.0%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
6,907Unknown material
1,558Non-lead

Latest lead test for City of Hammond Water System (Jan 2024–Dec 2026): 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 City of Hammond Water System.

Water systems serving Hammond

Water systemLeadGalv.Unknown% lead
City of Hammond Water SystemMain system006,9070%
Tangipahoa Parish Water DistrictServes nearby areas00960%

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 Hammond

The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Hammond Water System's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapCity of Hammond Water System details

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.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Hammond, LA have lead pipes?

None are confirmed, but City of Hammond Water System still lists 6,907 service lines as unknown material.

Who supplies water to Hammond?

EPA's service area maps place most of Hammond in City of Hammond Water System's service area (PWSID LA1105009). Tangipahoa Parish Water District also serves parts of the city or nearby areas.

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

Search your address on City of Hammond Water System'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 Hammond 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 City of Hammond Water System whether your street is scheduled and whether it covers the private side.