Tennessee — 3rd District
119th Congress · 88 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 88 ZIP codes in Tennessee's 3rd District: the district earns a grade C (66/100). 185 EPA violations on record, 10 health-based.
Top Contaminants
ZIP Codes in This District
88 ZIP codes tracked in Tennessee's 3rd District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 37756 | Huntsville | 99 | A | 0 |
| 2 | 37757 | Jacksboro | 95 | A | 0 |
| 3 | 37887 | Wartburg | 93 | A | 1 |
| 4 | 37309 | Calhoun | 83 | B | 0 |
| 5 | 37391 | Turtletown | 83 | B | 0 |
| 6 | 37304 | Bakewell | 81 | B | 1 |
| 7 | 37377 | Signal Mountain | 80 | B | 3 |
| 8 | 37317 | Copperhill | 79 | B | 6 |
| 9 | 37401 | Chattanooga | 79 | B | 3 |
| 10 | 37402 | Chattanooga | 79 | B | 3 |
| 11 | 37409 | Chattanooga | 79 | B | 3 |
| 12 | 37414 | Chattanooga | 79 | B | 3 |
| 13 | 37422 | Chattanooga | 79 | B | 3 |
| 14 | 37424 | Chattanooga | 79 | B | 3 |
| 15 | 37450 | Chattanooga | 79 | B | 3 |
| 16 | 37384 | Soddy Daisy | 78 | B | 2 (1 health) |
| 17 | 37307 | Benton | 77 | B | 3 |
| 18 | 37361 | Ocoee | 76 | B | 1 |
| 19 | 37403 | Chattanooga | 74 | B | 3 |
| 20 | 37406 | Chattanooga | 74 | B | 3 |
| 21 | 37407 | Chattanooga | 74 | B | 3 |
| 22 | 37408 | Chattanooga | 74 | B | 3 |
| 23 | 37410 | Chattanooga | 74 | B | 3 |
| 24 | 37416 | Chattanooga | 74 | B | 3 |
| 25 | 37343 | Hixson | 73 | B | 0 |
| 26 | 37310 | Charleston | 70 | B | 0 |
| 27 | 37329 | Englewood | 70 | B | 1 |
| 28 | 37331 | Etowah | 70 | B | 1 |
| 29 | 37885 | Vonore | 70 | B | 1 |
| 30 | 37379 | Soddy Daisy | 69 | C | 2 (1 health) |
| 31 | 37385 | Tellico Plains | 69 | C | 8 (1 health) |
| 32 | 37404 | Chattanooga | 69 | C | 3 |
| 33 | 37405 | Chattanooga | 69 | C | 3 |
| 34 | 37411 | Chattanooga | 69 | C | 3 |
| 35 | 37415 | Chattanooga | 69 | C | 3 |
| 36 | 37419 | Chattanooga | 69 | C | 3 |
| 37 | 37763 | Kingston | 69 | C | 3 (1 health) |
| 38 | 37830 | Oak Ridge | 69 | C | 4 (1 health) |
| 39 | 37323 | Cleveland | 68 | C | 1 |
| 40 | 37364 | Cleveland | 68 | C | 1 |
| 41 | 37336 | Georgetown | 66 | C | 1 |
| 42 | 37354 | Madisonville | 66 | C | 4 (1 health) |
| 43 | 37370 | Riceville | 66 | C | 0 |
| 44 | 37371 | Athens | 66 | C | 0 |
| 45 | 37714 | Caryville | 66 | C | 0 |
| 46 | 37770 | Lancing | 66 | C | 0 |
| 47 | 37828 | Norris | 66 | C | 0 |
| 48 | 37852 | Robbins | 66 | C | 0 |
| 49 | 37303 | Athens | 65 | C | 0 |
| 50 | 37826 | Niota | 65 | C | 2 |
Overview
Tennessee's 3rd District encompasses 88 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (66/100).
185 EPA violations have been recorded across this district's water systems. 10 are health-based violations. About 57% 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 - 88 violations
- Fecal Coliform - 37 violations
- Total Trihalomethanes (TTHM) - 11 violations
- Haloacetic Acids (HAA5) - 10 violations
- Consumer Confidence Report Rule - 10 violations
Housing Context
Homes in this district were built on average around 1979 (~47 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 88 ZIP codes in Tennessee's 3rd District.