New Orleans, LA Neighborhood Water Quality - Grade B
62 ZIP codes · 1,116 EPA violations
Data source: EPA SDWIS Last verified: 2026-07-19
ZipCheckup compares 62 ZIP codes across New Orleans, LA. The area averages a grade B (77/100); 62 ZIP codes carry recorded EPA violations.
Water quality varies significantly across New Orleans, LA. We analyzed 62 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (77/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 13 | 21% |
| B | 30 | 48% |
| C | 19 | 31% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in New Orleans ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 70142 | 85 | A | 18 | 0.0050 mg/L |
| 2 | 70145 | 85 | A | 18 | 0.0050 mg/L |
| 3 | 70154 | 85 | A | 18 | 0.0050 mg/L |
| 4 | 70156 | 85 | A | 18 | 0.0050 mg/L |
| 5 | 70159 | 85 | A | 18 | 0.0050 mg/L |
| 6 | 70162 | 85 | A | 18 | 0.0050 mg/L |
| 7 | 70164 | 85 | A | 18 | 0.0050 mg/L |
| 8 | 70165 | 85 | A | 18 | 0.0050 mg/L |
| 9 | 70166 | 85 | A | 18 | 0.0050 mg/L |
| 10 | 70167 | 85 | A | 18 | 0.0050 mg/L |
| 11 | 70172 | 85 | A | 18 | 0.0050 mg/L |
| 12 | 70187 | 85 | A | 18 | 0.0050 mg/L |
| 13 | 70195 | 85 | A | 18 | 0.0050 mg/L |
| 14 | 70141 | 84 | B | 18 | 0.0050 mg/L |
| 15 | 70143 | 84 | B | 18 | 0.0050 mg/L |
| 16 | 70146 | 84 | B | 18 | 0.0050 mg/L |
| 17 | 70150 | 84 | B | 18 | 0.0050 mg/L |
| 18 | 70151 | 84 | B | 18 | 0.0050 mg/L |
| 19 | 70152 | 84 | B | 18 | 0.0050 mg/L |
| 20 | 70158 | 84 | B | 18 | 0.0050 mg/L |
| 21 | 70160 | 84 | B | 18 | 0.0050 mg/L |
| 22 | 70170 | 84 | B | 18 | 0.0050 mg/L |
| 23 | 70175 | 84 | B | 18 | 0.0050 mg/L |
| 24 | 70176 | 84 | B | 18 | 0.0050 mg/L |
| 25 | 70177 | 84 | B | 18 | 0.0050 mg/L |
| 26 | 70178 | 84 | B | 18 | 0.0050 mg/L |
| 27 | 70179 | 84 | B | 18 | 0.0050 mg/L |
| 28 | 70181 | 84 | B | 18 | 0.0050 mg/L |
| 29 | 70182 | 84 | B | 18 | 0.0050 mg/L |
| 30 | 70183 | 84 | B | 18 | 0.0050 mg/L |
| 31 | 70184 | 84 | B | 18 | 0.0050 mg/L |
| 32 | 70186 | 84 | B | 18 | 0.0050 mg/L |
| 33 | 70189 | 84 | B | 18 | 0.0050 mg/L |
| 34 | 70190 | 84 | B | 18 | 0.0050 mg/L |
| 35 | 70148 | 79 | B | 18 | 0.0050 mg/L |
| 36 | 70153 | 79 | B | 18 | 0.0050 mg/L |
| 37 | 70157 | 79 | B | 18 | 0.0050 mg/L |
| 38 | 70161 | 79 | B | 18 | 0.0050 mg/L |
| 39 | 70163 | 79 | B | 18 | 0.0050 mg/L |
| 40 | 70174 | 79 | B | 18 | 0.0050 mg/L |
| 41 | 70185 | 79 | B | 18 | 0.0050 mg/L |
| 42 | 70139 | 74 | B | 18 | 0.0050 mg/L |
| 43 | 70140 | 74 | B | 18 | 0.0050 mg/L |
| 44 | 70112 | 64 | C | 18 | 0.0050 mg/L |
| 45 | 70113 | 64 | C | 18 | 0.0050 mg/L |
| 46 | 70114 | 64 | C | 18 | 0.0050 mg/L |
| 47 | 70115 | 64 | C | 18 | 0.0050 mg/L |
| 48 | 70116 | 64 | C | 18 | 0.0050 mg/L |
| 49 | 70117 | 64 | C | 18 | 0.0050 mg/L |
| 50 | 70118 | 64 | C | 18 | 0.0050 mg/L |
| 51 | 70119 | 64 | C | 18 | 0.0050 mg/L |
| 52 | 70121 | 64 | C | 18 | 0.0050 mg/L |
| 53 | 70122 | 64 | C | 18 | 0.0050 mg/L |
| 54 | 70123 | 64 | C | 18 | 0.0050 mg/L |
| 55 | 70124 | 64 | C | 18 | 0.0050 mg/L |
| 56 | 70125 | 64 | C | 18 | 0.0050 mg/L |
| 57 | 70126 | 64 | C | 18 | 0.0050 mg/L |
| 58 | 70127 | 64 | C | 18 | 0.0050 mg/L |
| 59 | 70128 | 64 | C | 18 | 0.0050 mg/L |
| 60 | 70129 | 64 | C | 18 | 0.0050 mg/L |
| 61 | 70130 | 64 | C | 18 | 0.0050 mg/L |
| 62 | 70131 | 64 | C | 18 | 0.0050 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 41 neighborhoods score better than county average
- 21 neighborhoods score worse than county average
EPA Violations
- 1,116 total violations across New Orleans
- 496 health-based violations
- 62 of 62 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Chlorite | 434 | 62 |
| Stage 1 DBP Rule | 124 | 62 |
| Surface Water Treatment Rule | 124 | 62 |
| Lead and Copper Rule | 124 | 62 |
| Consumer Confidence Report Rule | 124 | 62 |
Frequently Asked Questions
What is the safest neighborhood in New Orleans?
ZIP code 70142 has the highest safety score in New Orleans at 85/100 (grade A). Check the full report for details.
Is New Orleans water safe to drink?
New Orleans has an average water safety score of 77/100 (B). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.