Neighborhood Report Grade B

Oakland, CA Neighborhood Water Quality - Grade B

Name: Water Quality Data for Oakland, California
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

26 ZIP codes · 52 EPA violations

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

ZipCheckup compares 26 ZIP codes across Oakland, CA. The area averages a grade B (76/100); 26 ZIP codes carry recorded EPA violations.

Water quality varies significantly across Oakland, CA. We analyzed 26 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.

City Overview: Grade B (76/100)

Grade	Neighborhoods	%
A	0	0%
B	24	92%
C	2	8%
D	0	0%
F	0	0%

Neighborhood Rankings

Every ZIP code in Oakland ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	94606	79	B	2	0.0033 mg/L
2	94607	79	B	2	0.0033 mg/L
3	94609	79	B	2	0.0033 mg/L
4	94612	79	B	2	0.0033 mg/L
5	94604	78	B	2	0.0033 mg/L
6	94613	78	B	2	0.0033 mg/L
7	94614	78	B	2	0.0033 mg/L
8	94615	78	B	2	0.0033 mg/L
9	94617	78	B	2	0.0033 mg/L
10	94622	78	B	2	0.0033 mg/L
11	94623	78	B	2	0.0033 mg/L
12	94624	78	B	2	0.0033 mg/L
13	94649	78	B	2	0.0033 mg/L
14	94659	78	B	2	0.0033 mg/L
15	94660	78	B	2	0.0033 mg/L
16	94661	78	B	2	0.0033 mg/L
17	94666	78	B	2	0.0033 mg/L
18	94601	74	B	2	0.0033 mg/L
19	94602	74	B	2	0.0033 mg/L
20	94603	74	B	2	0.0033 mg/L
21	94610	74	B	2	0.0033 mg/L
22	94618	74	B	2	0.0033 mg/L
23	94619	74	B	2	0.0033 mg/L
24	94621	74	B	2	0.0033 mg/L
25	94605	69	C	2	0.0033 mg/L
26	94611	69	C	2	0.0033 mg/L

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

24 neighborhoods score better than county average
2 neighborhoods score worse than county average

EPA Violations

52 total violations across Oakland
26 health-based violations
26 of 26 ZIP codes have violations
0 ZIP codes exceed EPA lead action level

Top Contaminants

Contaminant	Violations	ZIPs
Stage 1 DBP Rule	26	26
E. coli	26	26

Frequently Asked Questions

What is the safest neighborhood in Oakland?

ZIP code 94606 has the highest safety score in Oakland at 79/100 (grade B). Check the full report for details.

Is Oakland water safe to drink?

Oakland has an average water safety score of 76/100 (B). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.

Data Sources

EPA SDWIS
U.S. Census Bureau

Updated daily.

How to cite this page

APA ZipCheckup. (2026). Oakland, CA Neighborhood Water Quality - Grade B. https://zipcheckup.com/neighborhoods/ca/oakland/

BibTeX

@misc{zipcheckup-neighborhoods-ca-oakland,
  author = {{ZipCheckup}},
  title  = {{Oakland, CA Neighborhood Water Quality - Grade B}},
  year   = {2026},
  url    = {https://zipcheckup.com/neighborhoods/ca/oakland/}
}

Data as of July 2026.