Data source: EPA SDWIS Last verified: 2026-06-03

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.