Corpus Christi, TX Neighborhood Water Quality - Grade A
37 ZIP codes · 37 EPA violations
Data source: EPA SDWIS Last verified: 2026-07-19
ZipCheckup compares 37 ZIP codes across Corpus Christi, TX. The area averages a grade A (90/100); 37 ZIP codes carry recorded EPA violations.
Water quality varies significantly across Corpus Christi, TX. We analyzed 37 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (90/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 23 | 62% |
| B | 14 | 38% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Corpus Christi ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 78419 | 98 | A | 1 | 0.0017 mg/L |
| 2 | 78426 | 98 | A | 1 | 0.0017 mg/L |
| 3 | 78427 | 98 | A | 1 | 0.0017 mg/L |
| 4 | 78465 | 98 | A | 1 | 0.0017 mg/L |
| 5 | 78470 | 98 | A | 1 | 0.0017 mg/L |
| 6 | 78471 | 98 | A | 1 | 0.0017 mg/L |
| 7 | 78472 | 98 | A | 1 | 0.0017 mg/L |
| 8 | 78475 | 98 | A | 1 | 0.0017 mg/L |
| 9 | 78476 | 98 | A | 1 | 0.0017 mg/L |
| 10 | 78477 | 98 | A | 1 | 0.0017 mg/L |
| 11 | 78460 | 94 | A | 1 | 0.0017 mg/L |
| 12 | 78463 | 94 | A | 1 | 0.0017 mg/L |
| 13 | 78466 | 94 | A | 1 | 0.0017 mg/L |
| 14 | 78467 | 94 | A | 1 | 0.0017 mg/L |
| 15 | 78468 | 94 | A | 1 | 0.0017 mg/L |
| 16 | 78474 | 94 | A | 1 | 0.0017 mg/L |
| 17 | 78480 | 94 | A | 1 | 0.0017 mg/L |
| 18 | 78403 | 89 | A | 1 | 0.0017 mg/L |
| 19 | 78405 | 89 | A | 1 | 0.0017 mg/L |
| 20 | 78406 | 89 | A | 1 | 0.0017 mg/L |
| 21 | 78407 | 89 | A | 1 | 0.0017 mg/L |
| 22 | 78469 | 89 | A | 1 | 0.0017 mg/L |
| 23 | 78473 | 89 | A | 1 | 0.0017 mg/L |
| 24 | 78401 | 84 | B | 1 | 0.0017 mg/L |
| 25 | 78404 | 84 | B | 1 | 0.0017 mg/L |
| 26 | 78408 | 84 | B | 1 | 0.0017 mg/L |
| 27 | 78409 | 84 | B | 1 | 0.0017 mg/L |
| 28 | 78414 | 84 | B | 1 | 0.0017 mg/L |
| 29 | 78415 | 84 | B | 1 | 0.0017 mg/L |
| 30 | 78416 | 84 | B | 1 | 0.0017 mg/L |
| 31 | 78417 | 84 | B | 1 | 0.0017 mg/L |
| 32 | 78402 | 79 | B | 1 | 0.0017 mg/L |
| 33 | 78410 | 79 | B | 1 | 0.0017 mg/L |
| 34 | 78411 | 79 | B | 1 | 0.0017 mg/L |
| 35 | 78412 | 79 | B | 1 | 0.0017 mg/L |
| 36 | 78413 | 79 | B | 1 | 0.0017 mg/L |
| 37 | 78418 | 74 | B | 1 | 0.0017 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 23 neighborhoods score better than county average
- 14 neighborhoods score worse than county average
EPA Violations
- 37 total violations across Corpus Christi
- 37 health-based violations
- 37 of 37 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Fecal Coliform | 37 | 37 |
Frequently Asked Questions
What is the safest neighborhood in Corpus Christi?
ZIP code 78419 has the highest safety score in Corpus Christi at 98/100 (grade A). Check the full report for details.
Is Corpus Christi water safe to drink?
Corpus Christi has an average water safety score of 90/100 (A). 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.