Data source: EPA SDWIS Last verified: 2026-07-19

ZipCheckup compares 35 ZIP codes across Madison, WI. The area averages a grade C (60/100); 35 ZIP codes carry recorded EPA violations.

Water quality varies significantly across Madison, WI. We analyzed 35 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.

City Overview: Grade C (60/100)

Grade	Neighborhoods	%
A	0	0%
B	0	0%
C	35	100%
D	0	0%
F	0	0%

Neighborhood Rankings

Every ZIP code in Madison ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	53705	64	C	11	0.0018 mg/L
2	53714	64	C	11	0.0018 mg/L
3	53715	64	C	11	0.0018 mg/L
4	53717	64	C	11	0.0018 mg/L
5	53719	64	C	11	0.0018 mg/L
6	53701	59	C	11	0.0018 mg/L
7	53702	59	C	11	0.0018 mg/L
8	53703	59	C	11	0.0018 mg/L
9	53704	59	C	11	0.0018 mg/L
10	53706	59	C	11	0.0018 mg/L
11	53707	59	C	11	0.0018 mg/L
12	53708	59	C	11	0.0018 mg/L
13	53711	59	C	11	0.0018 mg/L
14	53713	59	C	11	0.0018 mg/L
15	53716	59	C	11	0.0018 mg/L
16	53718	59	C	11	0.0018 mg/L
17	53725	59	C	11	0.0018 mg/L
18	53726	59	C	11	0.0018 mg/L
19	53744	59	C	11	0.0018 mg/L
20	53774	59	C	11	0.0018 mg/L
21	53777	59	C	11	0.0018 mg/L
22	53778	59	C	11	0.0018 mg/L
23	53779	59	C	11	0.0018 mg/L
24	53782	59	C	11	0.0018 mg/L
25	53783	59	C	11	0.0018 mg/L
26	53784	59	C	11	0.0018 mg/L
27	53785	59	C	11	0.0018 mg/L
28	53786	59	C	11	0.0018 mg/L
29	53788	59	C	11	0.0018 mg/L
30	53789	59	C	11	0.0018 mg/L
31	53790	59	C	11	0.0018 mg/L
32	53791	59	C	11	0.0018 mg/L
33	53792	59	C	11	0.0018 mg/L
34	53793	59	C	11	0.0018 mg/L
35	53794	59	C	11	0.0018 mg/L

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

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

EPA Violations

• 385 total violations across Madison
• 105 health-based violations
• 35 of 35 ZIP codes have violations
• 0 ZIP codes exceed EPA lead action level

Top Contaminants

Contaminant	Violations	ZIPs
Surface Water Treatment Rule	140	35
Stage 2 DBP Rule	105	35
Lead and Copper Rule	70	35
Gross Beta	35	35
Stage 1 DBP Rule	35	35

Frequently Asked Questions

What is the safest neighborhood in Madison?

ZIP code 53705 has the highest safety score in Madison at 64/100 (grade C). Check the full report for details.

Is Madison water safe to drink?

Madison has an average water safety score of 60/100 (C). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.

Related Pages

• Madison, WI city page
• Wisconsin state rankings
• All Wisconsin alerts

Data Sources

• EPA SDWIS
• U.S. Census Bureau

Updated daily.