Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow

ZipCheckup compares 37 ZIP codes across Corpus Christi, TX. The area averages a grade A (89/100); water systems associated with 18 ZIP codes have recorded EPA violations.

Home-safety conditions vary across Corpus Christi, TX. We compared 37 ZIP codes using the current versioned Home Safety Score. Water compliance remains one component alongside PFAS screening, radon, and annual air quality.

City Overview: Grade A (89/100)

Grade	Neighborhoods	%
A	16	89%
B	2	11%
C	0	0%
D	0	0%
F	0	0%

Neighborhood Rankings

Mapped ZIP codes in Corpus Christi ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	78419	91	A	1	0.0034 mg/L
2	78401	90	A	2	0.0017 mg/L
3	78402	90	A	2	0.0017 mg/L
4	78404	90	A	2	0.0017 mg/L
5	78405	90	A	2	0.0017 mg/L
6	78406	90	A	2	0.0017 mg/L
7	78407	90	A	2	0.0017 mg/L
8	78408	90	A	2	0.0017 mg/L
9	78409	90	A	2	0.0017 mg/L
10	78411	90	A	2	0.0017 mg/L
11	78412	90	A	2	0.0017 mg/L
12	78416	90	A	2	0.0017 mg/L
13	78417	90	A	2	0.0017 mg/L
14	78413	88	A	11	0.0017 mg/L
15	78414	88	A	11	0.0017 mg/L
16	78415	88	A	11	0.0017 mg/L
17	78418	83	B	15	0.0034 mg/L
18	78410	76	B	27	0.0024 mg/L
19	78403	—	—	—	No data
20	78426	—	—	—	No data
21	78427	—	—	—	No data
22	78460	—	—	—	No data
23	78463	—	—	—	No data
24	78465	—	—	—	No data
25	78466	—	—	—	No data
26	78467	—	—	—	No data
27	78468	—	—	—	No data
28	78469	—	—	—	No data
29	78470	—	—	—	No data
30	78471	—	—	—	No data
31	78472	—	—	—	No data
32	78473	—	—	—	No data
33	78474	—	—	—	No data
34	78475	—	—	—	No data
35	78476	—	—	—	No data
36	78477	—	—	—	No data
37	78480	—	—	—	No data

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

• 13 neighborhoods score better than county average
• 5 neighborhoods score worse than county average

EPA Violations

• 40 total violations since 2021 across the water systems mapped to Corpus Christi ZIP codes (each system counted once; includes small systems beyond the city utility)
• 24 health-based violation records in the available EPA data
• 18 of 18 directly mapped ZIP records are mapped to water systems with recorded violations
• 0 of 18 ZIP records with known lead status are served by a system whose 90th-percentile lead result exceeded the EPA action level

Top Contaminants

Contaminant	Violations	ZIPs
Interim Enhanced Surface Water Treatment Rule	34	17
Total Trihalomethanes (TTHM)	22	5
Public Notice Rule	11	5
Lead and Copper Rule	9	5
Lead and Copper Rule Revisions	8	4

Frequently Asked Questions

Which ZIP code in Corpus Christi has the highest home safety score?

ZIP code 78419 has the highest safety score among scored ZIP codes in Corpus Christi at 91/100 (grade A). Check the full report for details.

Is Corpus Christi water safe to drink?

The Home Safety Score is not a drinking-water grade. Across 18 directly mapped ZIP records, 40 EPA violations are recorded; 0 of 18 records with known lead status exceed the action level. Check the specific ZIP and serving system before drawing a property-level conclusion.

Related Pages

• Corpus Christi, TX city page
• Texas state rankings
• All Texas alerts

Data Sources

• EPA SDWIS
• U.S. Census Bureau

Reporting periods vary by source; the page metadata identifies this materialization.