Delaware - At-Large
119th Congress · 97 ZIP codes · Avg score 81/100 · Grade B · Updated N/A
Data: EPA SDWIS / Census 119th Congress Last verified: N/A
ZipCheckup's versioned Home Safety Profile covers 97 ZIP codes in Delaware's At-Large: the measured model 4.0.0 average is Grade B (81/100). 48 EPA violations on record, 10 health-based.
Top Contaminants
ZIP Codes in This District
97 ZIP codes tracked in Delaware's At-Large. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 19901 | Dover | 100 | A | 0 |
| 2 | 19902 | Dover Afb | 100 | A | 0 |
| 3 | 19904 | Dover | 100 | A | 0 |
| 4 | 19934 | Camden Wyoming | 100 | A | 0 |
| 5 | 19936 | Cheswold | 100 | A | 0 |
| 6 | 19943 | Felton | 100 | A | 1 |
| 7 | 19946 | Frederica | 100 | A | 0 |
| 8 | 19962 | Magnolia | 100 | A | 0 |
| 9 | 19963 | Milford | 100 | A | 0 |
| 10 | 19956 | Laurel | 97 | A | 6 (3 health) |
| 11 | 19973 | Seaford | 96 | A | 8 (3 health) |
| 12 | 19709 | Middletown | 83 | B | 0 |
| 13 | 19807 | Wilmington | 83 | B | 2 |
| 14 | 19930 | Bethany Beach | 83 | B | 2 |
| 15 | 19939 | Dagsboro | 83 | B | 2 |
| 16 | 19940 | Delmar | 83 | B | 0 |
| 17 | 19945 | Frankford | 83 | B | 1 |
| 18 | 19951 | Harbeson | 83 | B | 0 |
| 19 | 19958 | Lewes | 83 | B | 0 |
| 20 | 19966 | Millsboro | 83 | B | 1 |
| 21 | 19967 | Millville | 83 | B | 0 |
| 22 | 19968 | Milton | 83 | B | 0 |
| 23 | 19970 | Ocean View | 83 | B | 2 |
| 24 | 19971 | Rehoboth Bch | 83 | B | 0 |
| 25 | 19975 | Selbyville | 83 | B | 0 |
| 26 | 19977 | Smyrna | 83 | B | 0 |
| 27 | 19944 | Fenwick Island | 82 | B | 3 |
| 28 | 19947 | Georgetown | 81 | B | 4 (3 health) |
| 29 | 19701 | Bear | 67 | C | 0 |
| 30 | 19702 | Newark | 67 | C | 0 |
| 31 | 19703 | Claymont | 67 | C | 0 |
| 32 | 19707 | Hockessin | 67 | C | 0 |
| 33 | 19711 | Newark | 67 | C | 0 |
| 34 | 19713 | Newark | 67 | C | 0 |
| 35 | 19808 | Wilmington | 67 | C | 0 |
| 36 | 19720 | New Castle | 66 | C | 1 |
| 37 | 19732 | Rockland | 66 | C | 1 |
| 38 | 19801 | Wilmington | 66 | C | 1 |
| 39 | 19802 | Wilmington | 66 | C | 1 |
| 40 | 19803 | Wilmington | 66 | C | 1 |
| 41 | 19804 | Wilmington | 66 | C | 1 |
| 42 | 19805 | Wilmington | 66 | C | 1 |
| 43 | 19806 | Wilmington | 66 | C | 1 |
| 44 | 19809 | Wilmington | 66 | C | 1 |
| 45 | 19810 | Wilmington | 66 | C | 1 |
| 46 | 19706 | Delaware City | N/A | N/A | 0 |
| 47 | 19708 | Kirkwood | N/A | N/A | N/A |
| 48 | 19710 | Montchanin | N/A | N/A | N/A |
| 49 | 19712 | Newark | N/A | N/A | N/A |
| 50 | 19714 | Newark | N/A | N/A | N/A |
Overview
Delaware's At-Large encompasses 97 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (81/100).
48 EPA violations have been recorded across this district's water systems. 10 are health-based violations. About 42% of the 60 ZIP records with a reported violation count have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Surface Water Treatment Rule - 15 violations
- Consumer Confidence Report Rule - 14 violations
- Lead - 9 violations
- Stage 1 DBP Rule - 8 violations
- Contaminant 0700 - 2 violations
Housing Context
Homes in this district were built on average around 1978 (~48 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
Lead Alert: 3 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
Data Sources
- Home Safety Score model 4.0.0: methodology and source contracts
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 97 ZIP codes in Delaware's At-Large.