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

ZipCheckup compares 71 ZIP codes across Cincinnati, OH. The area averages a grade D (42/100); water systems associated with 12 ZIP codes have recorded EPA violations.

Home-safety conditions vary across Cincinnati, OH. We compared 71 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 D (42/100)

Grade	Neighborhoods	%
A	0	0%
B	0	0%
C	1	2%
D	40	89%
F	4	9%

Neighborhood Rankings

Mapped ZIP codes in Cincinnati ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	45245	65	C	3	0.0021 mg/L
2	45202	42	D	0	0.0021 mg/L
3	45203	42	D	0	0.0021 mg/L
4	45204	42	D	0	0.0021 mg/L
5	45205	42	D	0	0.0021 mg/L
6	45206	42	D	0	0.0021 mg/L
7	45207	42	D	0	0.0021 mg/L
8	45208	42	D	0	0.0021 mg/L
9	45209	42	D	0	0.0021 mg/L
10	45211	42	D	0	0.0021 mg/L
11	45212	42	D	0	0.0021 mg/L
12	45213	42	D	0	0.0021 mg/L
13	45214	42	D	0	0.0021 mg/L
14	45216	42	D	0	0.0021 mg/L
15	45217	42	D	0	0.0021 mg/L
16	45218	42	D	0	0.0021 mg/L
17	45219	42	D	0	0.0021 mg/L
18	45220	42	D	0	0.0021 mg/L
19	45223	42	D	0	0.0021 mg/L
20	45224	42	D	0	0.0021 mg/L
21	45225	42	D	0	0.0021 mg/L
22	45226	42	D	0	0.0021 mg/L
23	45227	42	D	0	0.0021 mg/L
24	45229	42	D	0	0.0021 mg/L
25	45230	42	D	0	0.0021 mg/L
26	45232	42	D	0	0.0021 mg/L
27	45233	42	D	0	0.0021 mg/L
28	45238	42	D	0	0.0021 mg/L
29	45239	42	D	0	0.0021 mg/L
30	45240	42	D	0	0.0021 mg/L
31	45243	42	D	0	0.0021 mg/L
32	45247	42	D	0	0.0021 mg/L
33	45251	42	D	0	0.0021 mg/L
34	45252	42	D	0	0.0021 mg/L
35	45231	41	D	1	0.0021 mg/L
36	45242	41	D	1	0.0042 mg/L
37	45244	41	D	2	0.0021 mg/L
38	45241	40	D	5	0.0021 mg/L
39	45246	40	D	5	0.0021 mg/L
40	45249	40	D	5	0.0042 mg/L
41	45255	40	D	3	0.0021 mg/L
42	45248	38	F	3	0.0021 mg/L
43	45236	36	F	6	0.0021 mg/L
44	45237	36	F	6	0.0021 mg/L
45	45215	35	F	7	0.0021 mg/L
46	45201	—	—	—	No data
47	45221	—	—	—	No data
48	45222	—	—	—	No data
49	45234	—	—	—	No data
50	45235	—	—	—	No data
51	45250	—	—	—	No data
52	45253	—	—	—	No data
53	45254	—	—	—	No data
54	45258	—	—	—	No data
55	45262	—	—	—	No data
56	45263	—	—	—	No data
57	45264	—	—	—	No data
58	45267	—	—	0	0.0021 mg/L
59	45268	—	—	—	No data
60	45269	—	—	—	No data
61	45270	—	—	—	No data
62	45271	—	—	—	No data
63	45273	—	—	—	No data
64	45274	—	—	—	No data
65	45275	—	—	—	No data
66	45277	—	—	—	No data
67	45280	—	—	—	No data
68	45296	—	—	—	No data
69	45298	—	—	—	No data
70	45299	—	—	—	No data
71	45999	—	—	—	No data

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

• 34 neighborhoods score better than county average
• 11 neighborhoods score worse than county average

EPA Violations

• 23 total violations since 2021 across the water systems mapped to Cincinnati ZIP codes (each system counted once; includes small systems beyond the city utility)
• 0 health-based violation records in the available EPA data
• 12 of 46 directly mapped ZIP records are mapped to water systems with recorded violations
• 0 of 46 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
Consumer Confidence Rule	32	11
Haloacetic Acids (HAA5)	7	5
Lead and Copper Rule Revisions	4	4
Public Notice Rule	3	2
Nitrate	1	1

Frequently Asked Questions

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

ZIP code 45245 has the highest safety score among scored ZIP codes in Cincinnati at 65/100 (grade C). Check the full report for details.

Is Cincinnati water safe to drink?

The Home Safety Score is not a drinking-water grade. Across 46 directly mapped ZIP records, 23 EPA violations are recorded; 0 of 46 records with known lead status exceed the action level. Check the specific ZIP and serving system before drawing a property-level conclusion.

Related Pages

• Cincinnati, OH city page
• Ohio state rankings
• All Ohio alerts

Data Sources

• EPA SDWIS
• U.S. Census Bureau

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