Not health advice. Contact your local water utility for concerns.
Data from EPA Water Quality Reports. For official information, contact your water utility or health department.
Louisiana Water Quality Reports
Water quality scores for 30 cities in Louisiana
Hammond
21,359 residents
Estelle
18,140 residents
Lafayette
121,374 residents
Monroe
47,702 residents
Shreveport
187,593 residents
Prairieville
33,197 residents
Mandeville
13,192 residents
Central
29,565 residents
New Iberia
28,555 residents
Baker
13,232 residents
Marrero
32,382 residents
Ruston
24,447 residents
New Orleans
383,997 residents
Bossier City
62,701 residents
Kenner
65,364 residents
Opelousas
15,786 residents
Slidell
28,781 residents
Terrytown
25,278 residents
Zachary
19,315 residents
Shenandoah
20,385 residents
Chalmette
21,562 residents
Laplace
28,841 residents
Natchitoches
17,783 residents
Harvey
21,226 residents
Sulphur
19,929 residents
Thibodaux
15,948 residents
Baton Rouge
227,470 residents
Lake Charles
84,872 residents
Alexandria
45,275 residents
Houma
33,727 residents
About Louisiana Water Quality
This state's water quality reflects local geographic conditions, industrial activities, and water infrastructure. Water quality can vary significantly between communities, with some areas enjoying excellent tap water while others face contamination challenges requiring treatment.
Based on our analysis of 30 cities in Louisiana, the average water quality score is 77/100. 8 cities have water quality scores below 70, indicating potential concerns that residents should be aware of. The highest-rated city is Houma with a score of 52/100, while Hammond has the most room for improvement at 96/100.
Water Sources in Louisiana
Water sources typically include a combination of surface water (rivers, lakes, reservoirs) and groundwater. The specific sources serving your community depend on local geography and infrastructure. Check your local water utility's Consumer Confidence Report for details about your water source.
Common Water Contaminants in Louisiana
These contaminants have been detected in various Louisiana water systems
Louisiana Water Regulations
State environmental and health agencies oversee drinking water quality in compliance with federal EPA standards. Public water systems are required to test regularly and report results to residents through annual Consumer Confidence Reports.
Health Considerations
Water quality concerns vary by location. Common issues include lead from older plumbing, agricultural runoff in rural areas, and industrial contamination near manufacturing sites. Check your local water quality report and consider testing if you have specific concerns.
Recommendations for Louisiana Residents
Review your annual Consumer Confidence Report to understand local water quality. Consider having your water tested if you use a private well or have concerns about your plumbing. Water filters certified to remove specific contaminants can address most common water quality issues.
Frequently Asked Questions About Louisiana Water Quality
Is Louisiana's tap water safe to drink?
Water quality in Louisiana varies by location. Our analysis shows an average score of 77/100 across 30 cities, with 8 cities showing potential concerns. We recommend checking your specific city's water quality report and considering filtration if needed.
What are the main water quality concerns in Louisiana?
The most common water quality concerns in Louisiana include disinfection byproducts (chlorination), lead (older infrastructure), nitrates (agricultural areas). These contaminants can come from natural sources, industrial activities, or aging infrastructure. Review your city's specific report to see which contaminants affect your area.
Should I use a water filter in Louisiana?
Whether you need a water filter depends on your specific location and health concerns. With 8 cities in Louisiana showing elevated contaminant levels, residents in those areas may benefit from filtration. Look for filters certified by NSF/ANSI to remove the specific contaminants found in your area.
Where can I find my Louisiana water quality report?
Public water systems in Louisiana are required to provide annual Consumer Confidence Reports (CCRs) to residents. You can usually find your report on your water utility's website, request it by phone, or access it through the EPA's database. Our city-level reports above summarize key information from these official sources.