CONGRESSIONAL DISTRICT PA

Pennsylvania — 1st District

119th Congress · 75 ZIP codes · Avg score 47/100 · Grade D · Updated 2026-06-03

Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03

D
District Grade
47
Avg Safety Score
75
ZIP Codes
2637
Total Violations
46
Health Violations
84
Water Systems
Morgantown
Best ZIP: 19543 (69/100)
Newtown
Lowest ZIP: 18940 (26/100)

Top Contaminants

Contaminant 0700 (208) Lead and Copper Rule (111) Consumer Confidence Report Rule (96) Contaminant 2110 (89) Revised Total Coliform Rule (72)

ZIP Codes in This District

75 ZIP codes tracked in Pennsylvania's 1st District. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 19543 Morgantown 69 C 15 (1 health)
2 18991 Warminster 65 C 2
3 18968 Spinnerstown 63 C 3
4 18039 Durham 60 C 96 (2 health)
5 18974 Warminster 59 C 2
6 19010 Bryn Mawr 59 C 120 (1 health)
7 18921 Ferndale 58 C 8
8 18912 Buckingham 56 C 109
9 18929 Jamison 56 C 6
10 18966 Southampton 55 C 38 (5 health)
11 18901 Doylestown 54 D 17
12 18902 Doylestown 54 D 17
13 19455 North Wales 54 D 16
14 18910 Bedminster 53 D 0
15 18923 Fountainville 53 D 0
16 18925 Furlong 53 D 0
17 18928 Holicong 53 D 0
18 18934 Mechanicsville 53 D 0
19 18935 Milford Square 53 D 0
20 18936 Montgomeryville 53 D 0
21 18942 Ottsville 53 D 0
22 18949 Plumsteadville 53 D 0
23 18955 Richlandtown 53 D 5
24 18956 Rushland 53 D 0
25 18963 Solebury 53 D 0
26 18980 Wycombe 53 D 0
27 19055 Levittown 53 D 5
28 19454 North Wales 53 D 16
29 19486 West Point 53 D 0
30 18081 Springtown 52 D 5
31 18055 Hellertown 51 D 68
32 19030 Fairless Hills 51 D 40
33 19058 Levittown 51 D 5
34 19446 Lansdale 51 D 38
35 18944 Perkasie 49 D 3
36 19054 Levittown 48 D 5
37 19056 Levittown 48 D 5
38 19057 Levittown 48 D 5
39 18034 Center Valley 47 D 20
40 18951 Quakertown 46 D 90
41 18954 Richboro 46 D 314
42 18960 Sellersville 46 D 506
43 18913 Carversville 45 D 0
44 18914 Chalfont 45 D 0
45 18976 Warrington 45 D 56 (12 health)
46 19041 Haverford 45 D 0
47 19085 Villanova 45 D 0
48 18077 Riegelsville 44 D 168 (2 health)
49 19067 Morrisville 43 D 106 (1 health)
50 18911 Blooming Glen 40 D 0

Overview

Pennsylvania's 1st District serving an estimated 5,178,663 residents encompasses 75 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is D (47/100).

2637 EPA violations have been recorded across this district's water systems. 46 are health-based violations. About 52% of tracked ZIP codes have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Contaminant 0700 — 208 violations
  • Lead and Copper Rule — 111 violations
  • Consumer Confidence Report Rule — 96 violations
  • Contaminant 2110 — 89 violations
  • Revised Total Coliform Rule — 72 violations

Housing Context

Homes in this district were built on average around 1969 (~57 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.

Lead Alert: 2 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.

Data Sources

Updated daily. Data covers 75 ZIP codes in Pennsylvania's 1st District.

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