Lead Pipe Map

Lead pipes in Louisiana

Louisiana's 898 community water systems reported 16,640 lead and 2,753 galvanized-requiring-replacement service lines, plus 680,723 of unknown material. That ranks #24 among states for confirmed lead lines.

16,640Lead
2,753Galvanized, replace
680,723Unknown
29Systems with lead

1.0% of the service lines Louisiana utilities reported are lead or galvanized requiring replacement, well below the national share of 3.1%. 35% are still unidentified (national: 21%). The largest counts are in New Orleans Carrollton Water Works (13,976), City of Shreveport Water System (1,799), Baton Rouge Water Company (1,007). 25 systems haven't reported counts yet.

Since 2025 Q1, reported lead and galvanized lines in Louisiana went from 22,057 to 19,393 (down 2,664). See which systems made the most progress.

Systems with confirmed lead lines (29)

Water systemLeadGalv.Unknown% leadPeople
New Orleans Carrollton Water WorksOrleans Parish County13,92749107,62211%334,903
City of Shreveport Water SystemCaddo Parish County1,799085,6801.9%192,378
Baton Rouge Water CompanyEast Baton Rouge Parish County01,00734,1470.4%596,844
New Orleans Algiers Water WorksOrleans Parish County905014,2875.9%52,785
City of Natchitoches Water SystemNatchitoches Parish County04646304.3%26,910
City of Mansfield Water SystemDe Soto Parish County039110511%7,512
Town of Washington Water SystemSt. Landry Parish County0238034%1,713
Lawco - Crowley Water SystemAcadia Parish County01526,2471.9%17,634
Lawco - New Iberia Water SystemIberia Parish County01445,4600.6%59,928
Town of Plain Dealing Water SystemBossier Parish County05506.9%2,346
City of Abbeville Water SystemVermilion Parish County6436,0230.8%14,217
Village of Sarepta Water SystemWebster Parish County03406.5%1,500
Lawco - Lecompte Water SystemRapides Parish County0316103.4%1,527
Lawco - Dequincy Water SystemCalcasieu Parish County0271,7941.0%5,319
City of Sulphur Water SystemCalcasieu Parish County0238890.3%24,489
Town of Grambling Water SystemLincoln Parish County02201.5%4,949
Ward II Water DistrictLivingston Parish County0161,784<0.1%78,147
Town of St Joseph Water SystemTensas Parish County01302.8%1,332
Village of Morse Water SystemAcadia Parish County01103.2%1,065
Town of Oak Grove Water SystemWest Carroll Parish County01000.9%2,955
Southwest Ouachita Waterworks, INCOuachita Parish County0920.2%10,725
St Mary Parish W&S #2 Bayou VistaSt. Mary Parish County22370.2%5,379
Village of Elizabeth Water SystemAllen Parish County03950.9%1,005
Village of Montpelier Water SupplySt. Helena Parish County0302.8%290
Town of Blanchard Water SystemCaddo Parish County023,024<0.1%16,488
Village of AnacocoVernon Parish County02810.3%1,506
Tensas Water District AssociationTensas Parish County01939<0.1%3,843
Village of Greensburg Water SystemSt. Helena Parish County013350.3%1,340
Village of Heflin Water SystemWebster Parish County1000.4%504

No confirmed lead, but unknown lines remain (180)

Water systemLeadGalv.Unknown% leadPeople
E Jefferson WW District 1Jefferson Parish County0094,3400%275,163
W Jefferson WW District 2Jefferson Parish County0058,7660%140,264
Schriever Water Treatment Service AreaTerrebonne Parish County0032,6090%116,460
City of Monroe Water SystemOuachita Parish County0018,6760%57,000
City of Bossier City Water SystemBossier Parish County0018,3500%79,506
St Bernard Parish WaterworksSt. Bernard Parish County0016,9420%44,783
City of Alexandria Water SystemRapides Parish County0016,8210%66,798
Gretna WaterworksJefferson Parish County007,5950%17,026
City of Plaquemine Water SystemIberville Parish County007,5090%14,043
City of Hammond Water SystemTangipahoa Parish County006,9070%21,135
City of Opelousas Water SystemSt. Landry Parish County005,7310%20,388
City of Morgan City Water SystemSt. Mary Parish County005,4210%12,703
Jeff Davis Water and Sewer Commission 1Jefferson Davis Parish County004,3010%9,780
Belle Chasse Water DistrictPlaquemines Parish County004,1450%19,644
Pointe Coupee Water Works District 1Pointe Coupee Parish County003,6560%10,629
Houma Water Treatment Service AreaTerrebonne Parish County003,1460%11,658
City of St. Martinville Water SystemSt. Martin Parish County003,1380%7,263
Westwego WaterworksJefferson Parish County003,1060%8,534
City of Westlake Water SystemCalcasieu Parish County003,0400%4,858
Natchitoches Parish WWKS District 2Natchitoches Parish County002,8070%8,415
City of Ville Platte Water SystemEvangeline Parish County002,7950%6,590
East Iberville Water SystemIberville Parish County002,7080%6,657
Intracoastal Water System WestIberville Parish County002,6880%6,489
Port Sulphur Water DistrictPlaquemines Parish County002,6790%10,308
City of Breaux Bridge Water SystemSt. Martin Parish County002,5640%10,098
Town of Campti Water SystemNatchitoches Parish County002,5520%1,515
City of Winnsboro Water SystemFranklin Parish County002,5390%7,518
City of Rayne Water SystemAcadia Parish County002,5040%10,908
East Side Water SystemEvangeline Parish County002,4150%5,718
City of Kaplan Water SystemVermilion Parish County002,4030%4,340
City of Oakdale Water SystemAllen Parish County002,3950%6,114
City of Tallulah Water SystemMadison Parish County002,2660%8,601
Utilities INC - Kingspoint SubdivisionSt. Tammany Parish County002,1590%6,351
Town of Jonesboro Water SystemJackson Parish County002,0750%6,231
City of Jeanerette Water SystemIberia Parish County001,8820%6,189
Town of Delhi Water SupplyRichland Parish County001,8800%4,071
Lpwdn North RegionLafayette Parish County001,6690%16,833
City of Ruston Water SystemLincoln Parish County001,6350%22,468
Town of Mamou Water SystemEvangeline Parish County001,6100%4,559
Utilities INC - Hammond HeightsTangipahoa Parish County001,5950%4,281
City of Pontchatoula Water SystemTangipahoa Parish County001,5940%6,657
Town of Haynesville Water SystemClaiborne Parish County001,5860%3,600
United Water SystemSt. Martin Parish County001,5560%4,446
Town of Farmerville Water SystemUnion Parish County001,5200%5,352
Town of Coushatta Water SystemRed River Parish County001,4940%3,300
Town of Walker Water SystemLivingston Parish County001,4640%15,813
Town of Welsh Water SystemJefferson Davis Parish County001,4590%4,311
Ebarb WWKS Dist # 1 - Aimwell AreaSabine Parish County001,4050%6,738
North Franklin Water WorksFranklin Parish County001,3300%7,989
Intracoastal Water System EastIberville Parish County001,2410%2,940

Showing 50. See all

No lead or unknown lines reported (359)

Systems serving 1,000 or more people. Systems without counts on file are listed as 0.

Water systemLeadGalv.Unknown% leadPeople
Lafayette Utilities Water SystemLafayette Parish County0000%169,389
Lafourche Water District 1Lafourche Parish County0000%81,609
City of Lake Charles Water SystemCalcasieu Parish County0000%79,500
St Charles Parish Dept of WaterworksSt. Charles Parish County0000%52,879
City of Slidell Water SupplySt. Tammany Parish County0000%35,547
St John Water District 3St. John The Baptist Parish County0000%31,965
City of Zachary Water SystemEast Baton Rouge Parish County0000%31,569
City of Denham Springs Water SystemLivingston Parish County0000%25,725
Village Water SystemBossier Parish County0000%24,813
Vermilion Waterworks District 1Vermilion Parish County0000%24,132
Beauregard Water Works Dist #3Beauregard Parish County0000%24,000
Assumption Parish WW District 1Assumption Parish County0000%21,366
Calcasieu Parish WW District No 1Calcasieu Parish County0000%20,837
City of Pineville Water SystemRapides Parish County0000%20,358
Rapides Parish Waterworks District 3Rapides Parish County0000%19,983
St Tam Parish- Bedico -Faubourg-CoquilleSt. Tammany Parish County0000%18,372
Bastrop Water SystemMorehouse Parish County0000%18,105
St Tam Parish - Briarwood TerraceSt. Tammany Parish County0000%17,536
City of Gonzales Water SystemAscension Parish County0000%16,806
City of Minden Water SystemWebster Parish County0000%16,281
City of Covington Water SupplySt. Tammany Parish County0000%16,185
City of West Monroe Water SystemOuachita Parish County0000%16,005
Lawco - Eunice Water SystemSt. Landry Parish County0000%15,471
LPWD SouthLafayette Parish County0000%15,132
Thibodaux WaterworksLafourche Parish County0000%14,862
East Feliciana Rural WaterEast Feliciana Parish County0000%14,829
Gowc West Hwy 80 Ark Road WSOuachita Parish County0000%14,649
Calcasieu Parish WW Dist 9 CarlyssCalcasieu Parish County0000%14,502
City of Deridder Water SystemBeauregard Parish County0000%14,400
City of Bogalusa Water SystemWashington Parish County0000%14,000
City of Baker Water SystemEast Baton Rouge Parish County0000%13,855
West Baton Rouge Water Works District 2West Baton Rouge Parish County0000%13,437
Gowc North Water SystemOuachita Parish County0000%13,287
Barksdale AFB Water SystemBossier Parish County0000%13,000
City of Mandeville Water SupplySt. Tammany Parish County0000%13,000
Cecilia Water CorporationSt. Martin Parish County0000%12,420
Buckeye Water District 50Rapides Parish County0000%12,078
West Feliciana Consol WWKS District 13West Feliciana Parish County0000%12,045
Gowc East Water SystemOuachita Parish County0000%11,742
City of Carencro Water SystemLafayette Parish County0000%11,301
Cheniere Drew North Water SystemOuachita Parish County0000%11,280
Fort Polk South Water SystemVernon Parish County0000%10,902
Bayou Liberty Water AssociationSt. Tammany Parish County0000%10,791
City of Leesville Water SystemVernon Parish County0000%10,545
St John Water District 1St. John The Baptist Parish County0000%10,484
City of Youngsville Purchase WSLafayette Parish County0000%10,281
City of Broussard Purchase Water SystemLafayette Parish County0000%10,242
Milton Water SystemLafayette Parish County0000%10,200
Bayou Teche Water WorksSt. Martin Parish County0000%10,137
City of Jennings Water SystemJefferson Davis Parish County0000%9,837

Showing the 50 largest. See all

Lead pipes in Louisiana cities

All Louisiana cities and towns · Lead pipes by county

Louisiana lead pipe questions

How many lead pipes are in Louisiana?

Louisiana's community water systems reported 16,640 lead service lines and 2,753 galvanized lines that must be replaced, for 19,393 in total. Another 680,723 lines are of unknown material.

Which Louisiana water systems have the most lead pipes?

New Orleans Carrollton Water Works (13,976), City of Shreveport Water System (1,799), Baton Rouge Water Company (1,007). Counts are lead plus galvanized-requiring-replacement lines.

What share of Louisiana service lines are lead?

1.0% of reported service lines in Louisiana are lead or galvanized requiring replacement, well below the national figure of 3.1%. 35% are still unknown, compared with 21% nationally.

How do I find out if my Louisiana 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.