CONGRESSIONAL DISTRICT MD

Maryland - 6th District

119th Congress · 109 ZIP codes · Avg score 62/100 · Grade C · Updated N/A

Data: EPA SDWIS / Census 119th Congress Last verified: N/A

ZipCheckup's versioned Home Safety Profile covers 109 ZIP codes in Maryland's 6th District: the measured model 4.0.0 average is Grade C (62/100). 150 EPA violations on record, 17 health-based.

C
District Grade
62
Avg Safety Score
109
ZIP Codes
150
Total Violations
17
Health Violations
47
Water Systems
Best ZIP: 20871 (67/100)
Lowest ZIP: 21788 (48/100)

Top Contaminants

Consumer Confidence Report Rule (26) Lead (24) Contaminant 2020 (23) Nickel (20) Fecal Coliform (11)

ZIP Codes in This District

100 ZIP codes tracked in Maryland's 6th District. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 20871 Clarksburg 67 C 0
2 20872 Damascus 67 C 0
3 20874 Germantown 67 C 0
4 20876 Germantown 67 C 0
5 20877 Gaithersburg 67 C 0
6 21734 Funkstown 67 C 0
7 21742 Hagerstown 67 C 0
8 21755 Jefferson 67 C 0
9 21767 Maugansville 67 C 0
10 20841 Boyds 66 C 2
11 21701 Frederick 66 C 3
12 21704 Frederick 66 C 2
13 21710 Adamstown 66 C 2
14 21716 Brunswick 66 C 2
15 21750 Hancock 66 C 2
16 21754 Ijamsville 66 C 2
17 21770 Monrovia 66 C 2
18 21774 New Market 66 C 2
19 21777 Point Of Rocks 66 C 2
20 21783 Smithsburg 66 C 1
21 21702 Frederick 65 C 4 (1 health)
22 21795 Williamsport 65 C 5
23 21740 Hagerstown 64 C 7
24 21793 Walkersville 64 C 8
25 20837 Poolesville 50 D 2
26 21713 Boonsboro 50 D 1
27 21756 Keedysville 50 D 1
28 21703 Frederick 49 D 2
29 21769 Middletown 49 D 2
30 21771 Mount Airy 48 D 6
31 21788 Thurmont 48 D 5
32 20813 Bethesda N/A N/A N/A
33 20827 Bethesda N/A N/A N/A
34 20838 Barnesville N/A N/A N/A
35 20839 Beallsville N/A N/A N/A
36 20842 Dickerson N/A N/A 4
37 20848 Rockville N/A N/A N/A
38 20859 Potomac N/A N/A N/A
39 20875 Germantown N/A N/A N/A
40 20884 Gaithersburg N/A N/A N/A
41 20885 Gaithersburg N/A N/A N/A
42 20889 Bethesda N/A N/A 0
43 20894 Bethesda N/A N/A 0
44 20897 Suburb Maryland Fac N/A N/A N/A
45 20898 Gaithersburg N/A N/A N/A
46 20899 Gaithersburg N/A N/A 0
47 21501 Cumberland N/A N/A N/A
48 21502 Cumberland N/A N/A 0
49 21503 Cumberland N/A N/A N/A
50 21504 Cumberland N/A N/A N/A

Overview

Maryland's 6th District encompasses 109 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (62/100).

150 EPA violations have been recorded across this district's water systems. 17 are health-based violations. About 58% of the 65 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Consumer Confidence Report Rule - 26 violations
  • Lead - 24 violations
  • Contaminant 2020 - 23 violations
  • Nickel - 20 violations
  • Fecal Coliform - 11 violations

Housing Context

Homes in this district were built on average around 1973 (~53 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.

Data Sources

Updated daily. Data covers 109 ZIP codes in Maryland's 6th District.

← Back to Maryland overview

How to cite this page

APA ZipCheckup. (2026). Maryland 6th District: 150 EPA Violations - C. https://zipcheckup.com/congressional/md-6/
BibTeX
@misc{zipcheckup-congressional-md-6,
  author = {{ZipCheckup}},
  title  = {{Maryland 6th District: 150 EPA Violations - C}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/md-6/}
}

Page version: August 2026.

Violations found - check filter options Free tool - no phone call required.