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

ZipCheckup compares 36 ZIP codes across Hartford, CT. The area averages a grade A (100/100); water systems associated with 6 ZIP codes have recorded EPA violations.

Home-safety conditions vary across Hartford, CT. We compared 36 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 (100/100)

Grade	Neighborhoods	%
A	6	100%
B	0	0%
C	0	0%
D	0	0%
F	0	0%

Neighborhood Rankings

Mapped ZIP codes in Hartford ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	06103	100	A	1	No data
2	06105	100	A	1	No data
3	06106	100	A	1	No data
4	06112	100	A	1	No data
5	06114	100	A	1	No data
6	06120	100	A	1	No data
7	06101	—	—	—	No data
8	06102	—	—	—	No data
9	06104	—	—	—	No data
10	06115	—	—	—	No data
11	06123	—	—	—	No data
12	06126	—	—	—	No data
13	06132	—	—	—	No data
14	06134	—	—	—	No data
15	06140	—	—	—	No data
16	06141	—	—	—	No data
17	06142	—	—	—	No data
18	06143	—	—	—	No data
19	06144	—	—	—	No data
20	06145	—	—	—	No data
21	06146	—	—	—	No data
22	06147	—	—	—	No data
23	06150	—	—	—	No data
24	06151	—	—	—	No data
25	06152	—	—	—	No data
26	06153	—	—	—	No data
27	06154	—	—	—	No data
28	06155	—	—	—	No data
29	06156	—	—	—	No data
30	06160	—	—	—	No data
31	06161	—	—	—	No data
32	06167	—	—	—	No data
33	06176	—	—	—	No data
34	06180	—	—	—	No data
35	06183	—	—	—	No data
36	06199	—	—	—	No data

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

• 6 neighborhoods score better than county average
• 0 neighborhoods score worse than county average

EPA Violations

• 1 total violations since 2021 across the water systems mapped to Hartford ZIP codes (each system counted once; includes small systems beyond the city utility)
• 0 health-based violation records in the available EPA data
• 6 of 6 directly mapped ZIP records are mapped to water systems with recorded violations
• 0 of 6 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	6	6

Frequently Asked Questions

Which ZIP code in Hartford has the highest home safety score?

ZIP code 06103 has the highest safety score among scored ZIP codes in Hartford at 100/100 (grade A). Check the full report for details.

Is Hartford water safe to drink?

The Home Safety Score is not a drinking-water grade. Across 6 directly mapped ZIP records, 1 EPA violation is recorded; 0 of 6 records with known lead status exceed the action level. Check the specific ZIP and serving system before drawing a property-level conclusion.

Related Pages

• Hartford, CT city page
• Connecticut state rankings
• All Connecticut alerts

Data Sources

• EPA SDWIS
• U.S. Census Bureau

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