Indiana — 4th District
119th Congress · 129 ZIP codes · Avg score 58/100 · Grade C · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 129 ZIP codes in Indiana's 4th District: the district earns a grade C (58/100). 476 EPA violations on record, 48 health-based.
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Indiana's 4th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 47989 | Waveland | 83 | B | 0 |
| 2 | 46160 | Morgantown | 82 | B | 12 (1 health) |
| 3 | 47951 | Kentland | 80 | B | 4 |
| 4 | 46372 | Roselawn | 79 | B | 3 |
| 5 | 46381 | Thayer | 79 | B | 3 |
| 6 | 47922 | Brook | 78 | B | 1 |
| 7 | 47963 | Morocco | 77 | B | 7 |
| 8 | 47978 | Rensselaer | 77 | B | 7 (1 health) |
| 9 | 47948 | Goodland | 76 | B | 6 |
| 10 | 46158 | Mooresville | 74 | B | 5 |
| 11 | 46349 | Lake Village | 74 | B | 10 (1 health) |
| 12 | 46035 | Colfax | 70 | B | 0 |
| 13 | 46112 | Brownsburg | 70 | B | 0 |
| 14 | 46310 | Demotte | 70 | B | 8 |
| 15 | 46917 | Camden | 70 | B | 0 |
| 16 | 47977 | Remington | 70 | B | 13 (3 health) |
| 17 | 47996 | West Lafayette | 70 | B | 0 |
| 18 | 46075 | Whitestown | 68 | C | 1 |
| 19 | 46151 | Martinsville | 68 | C | 5 |
| 20 | 46166 | Paragon | 68 | C | 2 |
| 21 | 46167 | Pittsboro | 68 | C | 0 |
| 22 | 46994 | Walton | 68 | C | 2 |
| 23 | 47993 | Williamsport | 68 | C | 16 (2 health) |
| 24 | 46050 | Kirklin | 67 | C | 5 (3 health) |
| 25 | 46122 | Danville | 67 | C | 1 |
| 26 | 46071 | Thorntown | 66 | C | 2 |
| 27 | 46979 | Russiaville | 66 | C | 5 |
| 28 | 47907 | West Lafayette | 66 | C | 0 |
| 29 | 47940 | Darlington | 66 | C | 1 |
| 30 | 47991 | West Lebanon | 66 | C | 1 |
| 31 | 47995 | Wolcott | 66 | C | 3 |
| 32 | 46111 | Brooklyn | 65 | C | 15 |
| 33 | 46120 | Cloverdale | 65 | C | 2 |
| 34 | 46149 | Lizton | 65 | C | 7 (1 health) |
| 35 | 46978 | Royal Center | 65 | C | 2 |
| 36 | 47901 | Lafayette | 65 | C | 14 (2 health) |
| 37 | 47903 | Lafayette | 65 | C | 14 (2 health) |
| 38 | 47904 | Lafayette | 65 | C | 14 (2 health) |
| 39 | 47917 | Ambia | 65 | C | 8 (1 health) |
| 40 | 47929 | Chalmers | 65 | C | 15 (2 health) |
| 41 | 47934 | Crawfordsville | 65 | C | 6 (1 health) |
| 42 | 47935 | Crawfordsville | 65 | C | 6 (1 health) |
| 43 | 47936 | Crawfordsville | 65 | C | 6 (1 health) |
| 44 | 47937 | Crawfordsville | 65 | C | 6 (1 health) |
| 45 | 47938 | Crawfordsville | 65 | C | 6 (1 health) |
| 46 | 47939 | Crawfordsville | 65 | C | 6 (1 health) |
| 47 | 47942 | Earl Park | 65 | C | 2 |
| 48 | 47949 | Hillsboro | 65 | C | 3 (1 health) |
| 49 | 47954 | Ladoga | 65 | C | 3 |
| 50 | 47965 | New Market | 65 | C | 5 (1 health) |
Overview
Indiana's 4th District encompasses 129 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (58/100).
476 EPA violations have been recorded across this district's water systems. 48 are health-based violations. About 60% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Surface Water Treatment Rule - 146 violations
- Stage 1 DBP Rule - 108 violations
- Consumer Confidence Report Rule - 99 violations
- Total Trihalomethanes (TTHM) - 31 violations
- Stage 2 DBP Rule - 25 violations
Housing Context
Homes in this district were built on average around 1967 (~59 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
Data Sources
- 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 129 ZIP codes in Indiana's 4th District.