Illinois — 14th District
119th Congress · 64 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 64 ZIP codes in Illinois's 14th District: the district earns a grade C (62/100). 605 EPA violations on record, 67 health-based.
Top Contaminants
ZIP Codes in This District
64 ZIP codes tracked in Illinois's 14th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 60552 | Somonauk | 87 | A | 0 |
| 2 | 61370 | Tonica | 87 | A | 0 |
| 3 | 60531 | Leland | 84 | B | 3 |
| 4 | 60446 | Romeoville | 83 | B | 0 |
| 5 | 61360 | Seneca | 82 | B | 0 |
| 6 | 60585 | Plainfield | 77 | B | 7 (3 health) |
| 7 | 61348 | Oglesby | 77 | B | 6 |
| 8 | 60403 | Crest Hill | 72 | B | 22 (3 health) |
| 9 | 60421 | Elwood | 72 | B | 3 |
| 10 | 60564 | Naperville | 72 | B | 1 |
| 11 | 60404 | Shorewood | 71 | B | 4 |
| 12 | 60112 | Cortland | 70 | B | 1 |
| 13 | 60441 | Lockport | 70 | B | 3 |
| 14 | 61329 | Ladd | 70 | B | 0 |
| 15 | 61362 | Spring Valley | 70 | B | 0 |
| 16 | 60548 | Sandwich | 69 | C | 6 (1 health) |
| 17 | 60554 | Sugar Grove | 69 | C | 2 |
| 18 | 61312 | Arlington | 69 | C | 3 |
| 19 | 61327 | Hennepin | 68 | C | 1 |
| 20 | 60544 | Plainfield | 67 | C | 7 (3 health) |
| 21 | 60586 | Plainfield | 67 | C | 7 (3 health) |
| 22 | 61350 | Ottawa | 66 | C | 73 (3 health) |
| 23 | 61359 | Seatonville | 66 | C | 0 |
| 24 | 60541 | Newark | 65 | C | 0 |
| 25 | 60550 | Shabbona | 65 | C | 2 |
| 26 | 61301 | La Salle | 65 | C | 6 (3 health) |
| 27 | 61337 | Malden | 65 | C | 2 (1 health) |
| 28 | 60543 | Oswego | 64 | C | 2 |
| 29 | 60551 | Sheridan | 64 | C | 3 |
| 30 | 61322 | Depue | 64 | C | 3 |
| 31 | 61326 | Granville | 63 | C | 0 |
| 32 | 60512 | Bristol | 61 | C | 5 (1 health) |
| 33 | 60560 | Yorkville | 61 | C | 5 |
| 34 | 61320 | Dalzell | 61 | C | 3 (1 health) |
| 35 | 60549 | Serena | 60 | C | 0 |
| 36 | 60557 | Wedron | 60 | C | 0 |
| 37 | 60434 | Joliet | 59 | C | 51 (7 health) |
| 38 | 60538 | Montgomery | 59 | C | 1 |
| 39 | 60178 | Sycamore | 58 | C | 4 |
| 40 | 60518 | Earlville | 58 | C | 0 |
| 41 | 60520 | Hinckley | 57 | C | 0 |
| 42 | 61354 | Peru | 57 | C | 29 (5 health) |
| 43 | 61342 | Mendota | 56 | C | 7 (1 health) |
| 44 | 61363 | Standard | 55 | C | 0 |
| 45 | 60545 | Plano | 54 | D | 4 |
| 46 | 60556 | Waterman | 54 | D | 1 |
| 47 | 61340 | Mark | 54 | D | 3 (1 health) |
| 48 | 60503 | Aurora | 53 | D | 7 |
| 49 | 60511 | Big Rock | 53 | D | 0 |
| 50 | 60536 | Millbrook | 53 | D | 0 |
Overview
Illinois's 14th District encompasses 64 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (62/100).
605 EPA violations have been recorded across this district's water systems. 67 are health-based violations. About 66% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule - 106 violations
- Lead and Copper Rule - 86 violations
- Stage 2 DBP Rule - 85 violations
- Revised Total Coliform Rule - 84 violations
- Surface Water Treatment Rule - 83 violations
Housing Context
Homes in this district were built on average around 1970 (~56 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
Lead Alert: 4 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
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 64 ZIP codes in Illinois's 14th District.