Neighborhood Report Grade B

Green Bay, WI Neighborhood Water Quality - Grade B

Name: Water Quality Data for Green Bay, Wisconsin
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

12 ZIP codes · 72 EPA violations

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

ZipCheckup compares 12 ZIP codes across Green Bay, WI. The area averages a grade B (78/100); 12 ZIP codes carry recorded EPA violations.

Water quality varies significantly across Green Bay, WI. We analyzed 12 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.

City Overview: Grade B (78/100)

Grade	Neighborhoods	%
A	0	0%
B	12	100%
C	0	0%
D	0	0%
F	0	0%

Neighborhood Rankings

Every ZIP code in Green Bay ranked by Home Safety Score:

Rank	ZIP Code	Score	Grade	Violations	Lead Risk
1	54304	81	B	6	0.0025 mg/L
2	54305	81	B	6	0.0025 mg/L
3	54306	81	B	6	0.0025 mg/L
4	54307	81	B	6	0.0025 mg/L
5	54308	81	B	6	0.0025 mg/L
6	54324	81	B	6	0.0025 mg/L
7	54344	81	B	6	0.0025 mg/L
8	54311	76	B	6	0.0025 mg/L
9	54313	76	B	6	0.0025 mg/L
10	54301	71	B	6	0.0025 mg/L
11	54302	71	B	6	0.0025 mg/L
12	54303	71	B	6	0.0025 mg/L

How Neighborhoods Compare

Each ZIP code compared to county and state averages:

7 neighborhoods score better than county average
3 neighborhoods score worse than county average

EPA Violations

72 total violations across Green Bay
24 health-based violations
12 of 12 ZIP codes have violations
0 ZIP codes exceed EPA lead action level

Top Contaminants

Contaminant	Violations	ZIPs
Haloacetic Acids (HAA5)	12	12
Gross Beta	12	12
Stage 2 DBP Rule	12	12
Lead and Copper Rule	12	12
Consumer Confidence Report Rule	12	12

Frequently Asked Questions

What is the safest neighborhood in Green Bay?

ZIP code 54304 has the highest safety score in Green Bay at 81/100 (grade B). Check the full report for details.

Is Green Bay water safe to drink?

Green Bay has an average water safety score of 78/100 (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). Green Bay, WI Neighborhood Water Quality - Grade B. https://zipcheckup.com/neighborhoods/wi/green-bay/

BibTeX

@misc{zipcheckup-neighborhoods-wi-green-bay,
  author = {{ZipCheckup}},
  title  = {{Green Bay, WI Neighborhood Water Quality - Grade B}},
  year   = {2026},
  url    = {https://zipcheckup.com/neighborhoods/wi/green-bay/}
}

Data as of July 2026.