Data source: EPA SDWIS Last verified: 2026-06-04

Water quality varies significantly across Arlington, VA. We analyzed 30 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.

City Overview: Grade B (81/100)

Grade	Neighborhoods	%
A	0	0%
B	30	100%
C	0	0%
D	0	0%
F	0	0%

Neighborhood Rankings

Every ZIP code in Arlington ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	22201	82	B	2	0.0006 mg/L
2	22203	82	B	2	0.0006 mg/L
3	22209	82	B	2	0.0006 mg/L
4	22210	82	B	2	0.0006 mg/L
5	22212	82	B	2	0.0006 mg/L
6	22213	82	B	2	0.0006 mg/L
7	22214	82	B	2	0.0006 mg/L
8	22215	82	B	2	0.0006 mg/L
9	22216	82	B	2	0.0006 mg/L
10	22217	82	B	2	0.0006 mg/L
11	22218	82	B	2	0.0006 mg/L
12	22219	82	B	2	0.0006 mg/L
13	22222	82	B	2	0.0006 mg/L
14	22225	82	B	2	0.0006 mg/L
15	22226	82	B	2	0.0006 mg/L
16	22227	82	B	2	0.0006 mg/L
17	22230	82	B	2	0.0006 mg/L
18	22234	82	B	2	0.0006 mg/L
19	22240	82	B	2	0.0006 mg/L
20	22241	82	B	2	0.0006 mg/L
21	22242	82	B	2	0.0006 mg/L
22	22243	82	B	2	0.0006 mg/L
23	22244	82	B	2	0.0006 mg/L
24	22245	82	B	2	0.0006 mg/L
25	22246	82	B	2	0.0006 mg/L
26	22202	77	B	2	0.0006 mg/L
27	22204	77	B	2	0.0006 mg/L
28	22205	77	B	2	0.0006 mg/L
29	22206	77	B	2	0.0006 mg/L
30	22207	72	B	2	0.0006 mg/L

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

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

EPA Violations

• 60 total violations across Arlington
• 0 health-based violations
• 30 of 30 ZIP codes have violations
• 0 ZIP codes exceed EPA lead action level

Top Contaminants

Contaminant	Violations	ZIPs
Surface Water Treatment Rule	60	30

Frequently Asked Questions

What is the safest neighborhood in Arlington?

ZIP code 22201 has the highest safety score in Arlington at 82/100 (grade B). Check the full report for details.

Is Arlington water safe to drink?

Arlington has an average water safety score of 81/100 (B). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.

Related Pages

• Arlington, VA city page
• Virginia state rankings
• All Virginia alerts

Data Sources

• EPA SDWIS
• U.S. Census Bureau

Updated daily.