Lead in Louisiana Drinking Water — 362 ZIPs Tested
EPA data analysis for lead in Louisiana drinking water systems
ZipCheckup tracks Lead in Louisiana drinking water: 362 ZIP codes with detected levels on record. 148 ZIP codes exceed the EPA limit (15 ppb (action level)). Lead carries a high health-risk designation.
Lead Contamination in Louisiana
ZipCheckup analyzed drinking water data across 410 ZIP codes in Louisiana for lead contamination. 362 ZIP codes have reported lead detections, and 148 have EPA violations on record.
The violation rate for lead in Louisiana is 36.1% of all ZIP codes — higher than the national average.
EPA Standard for Lead
The EPA maximum contaminant level (MCL) for lead is 15 ppb (action level), governed by the Lead and Copper Rule (LCRR/LCRI). Water systems that exceed this limit must take corrective action and notify consumers.
Worst ZIP Codes for Lead in Louisiana
These ZIP codes reported the highest lead levels in Louisiana based on CCR reports and EPA data:
Lowest Lead Levels in Louisiana
These ZIP codes had the lowest reported lead detections in Louisiana:
Health Effects of Lead
Lead is a potent neurotoxin with no safe level of exposure. In children, lead causes developmental delays, reduced IQ, and behavioral problems. In adults, it causes high blood pressure, kidney damage, and cardiovascular effects. Pregnant women face increased risk of premature birth.
How to Remove Lead From Drinking Water
The most effective treatment for lead removal is Reverse Osmosis or NSF 53 Carbon Block. Look for filters certified under NSF 53 / NSF 58 standards.
Check Your ZIP Code
Use the ZipCheckup water quality search to see lead data for your specific water system in Louisiana.
Worst ZIP Codes for Lead in Louisiana
Ranked by highest lead detection level.
| Rank | ZIP Code | City | Level Detected | EPA Limit | Status |
|---|---|---|---|---|---|
| 1 | 71107 | Shreveport | 11 ppb | 15 ppb | Within Limit |
| 2 | 71334 | Ferriday | 11 ppb | 15 ppb | Within Limit |
| 3 | 71373 | Vidalia | 11 ppb | 15 ppb | Within Limit |
| 4 | 71007 | Bethany | 10 ppb | 15 ppb | Within Limit |
| 5 | 71033 | Greenwood | 10 ppb | 15 ppb | Within Limit |
| 6 | 71119 | Shreveport | 10 ppb | 15 ppb | Within Limit |
| 7 | 71129 | Shreveport | 10 ppb | 15 ppb | Within Limit |
| 8 | 71060 | Mooringsport | 9 ppb | 15 ppb | Within Limit |
| 9 | 71245 | Grambling | 9 ppb | 15 ppb | Within Limit |
| 10 | 71270 | Ruston | 9 ppb | 15 ppb | Within Limit |
| 11 | 70436 | Fluker | 8 ppb | 15 ppb | Within Limit |
| 12 | 70444 | Kentwood | 8 ppb | 15 ppb | Within Limit |
| 13 | 70518 | Broussard | 8 ppb | 15 ppb | Within Limit |
| 14 | 70560 | New Iberia | 8 ppb | 15 ppb | Within Limit |
| 15 | 70582 | Saint Martinville | 8 ppb | 15 ppb | Within Limit |
| 16 | 70592 | Youngsville | 8 ppb | 15 ppb | Within Limit |
| 17 | 71360 | Pineville | 8 ppb | 15 ppb | Within Limit |
| 18 | 70056 | Gretna | 7 ppb | 15 ppb | Within Limit |
| 19 | 70058 | Harvey | 7 ppb | 15 ppb | Within Limit |
| 20 | 70072 | Marrero | 7 ppb | 15 ppb | Within Limit |
Lowest Lead Levels in Louisiana
Cities with Lead Data in Louisiana
120 cities in Louisiana have lead testing data available.
+ 100 more cities