Tennessee — 7th District
119th Congress · 101 ZIP codes · Avg score 64/100 · Grade C · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 101 ZIP codes in Tennessee's 7th District: the district earns a grade C (64/100). 228 EPA violations on record, 57 health-based.
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Tennessee's 7th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 37028 | Bumpus Mills | 83 | B | 0 |
| 2 | 37146 | Pleasant View | 83 | B | 1 |
| 3 | 37178 | Tennessee Ridge | 83 | B | 0 |
| 4 | 37181 | Vanleer | 83 | B | 0 |
| 5 | 37188 | White House | 83 | B | 0 |
| 6 | 38221 | Big Sandy | 83 | B | 0 |
| 7 | 38374 | Scotts Hill | 83 | B | 1 |
| 8 | 37056 | Dickson | 82 | B | 3 |
| 9 | 37050 | Cumberland City | 81 | B | 2 |
| 10 | 38341 | Holladay | 81 | B | 1 |
| 11 | 37058 | Dover | 80 | B | 7 (3 health) |
| 12 | 37191 | Woodlawn | 79 | B | 6 (4 health) |
| 13 | 38320 | Camden | 78 | B | 0 |
| 14 | 37010 | Adams | 77 | B | 3 (1 health) |
| 15 | 37073 | Greenbrier | 77 | B | 4 (1 health) |
| 16 | 37082 | Kingston Springs | 76 | B | 1 |
| 17 | 38380 | Sugar Tree | 76 | B | 9 |
| 18 | 37172 | Springfield | 74 | B | 1 (1 health) |
| 19 | 37044 | Clarksville | 73 | B | 6 (5 health) |
| 20 | 37055 | Dickson | 72 | B | 3 |
| 21 | 38329 | Decaturville | 72 | B | 3 |
| 22 | 37061 | Erin | 71 | B | 2 (2 health) |
| 23 | 38363 | Parsons | 71 | B | 7 |
| 24 | 37041 | Clarksville | 70 | B | 6 (5 health) |
| 25 | 37098 | Lyles | 70 | B | 0 |
| 26 | 38463 | Iron City | 70 | B | 0 |
| 27 | 37201 | Nashville | 69 | C | 3 |
| 28 | 37202 | Nashville | 69 | C | 3 |
| 29 | 37219 | Nashville | 69 | C | 3 |
| 30 | 37224 | Nashville | 69 | C | 3 |
| 31 | 37228 | Nashville | 69 | C | 3 |
| 32 | 37015 | Ashland City | 67 | C | 2 |
| 33 | 37116 | Madison | 66 | C | 1 |
| 34 | 37140 | Only | 66 | C | 1 |
| 35 | 38450 | Collinwood | 66 | C | 3 |
| 36 | 37040 | Clarksville | 65 | C | 6 (5 health) |
| 37 | 37042 | Clarksville | 65 | C | 6 (5 health) |
| 38 | 37043 | Clarksville | 65 | C | 6 (5 health) |
| 39 | 37097 | Lobelville | 65 | C | 0 |
| 40 | 37222 | Nashville | 65 | C | 3 |
| 41 | 37227 | Nashville | 65 | C | 3 |
| 42 | 37229 | Nashville | 65 | C | 3 |
| 43 | 37230 | Nashville | 65 | C | 3 |
| 44 | 37232 | Nashville | 65 | C | 3 |
| 45 | 37234 | Nashville | 65 | C | 3 |
| 46 | 37235 | Nashville | 65 | C | 3 |
| 47 | 37236 | Nashville | 65 | C | 3 |
| 48 | 37238 | Nashville | 65 | C | 3 |
| 49 | 37240 | Nashville | 65 | C | 3 |
| 50 | 37241 | Nashville | 65 | C | 3 |
Overview
Tennessee's 7th District encompasses 101 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (64/100).
228 EPA violations have been recorded across this district's water systems. 57 are health-based violations. About 61% 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 - 68 violations
- Haloacetic Acids (HAA5) - 48 violations
- Revised Total Coliform Rule - 36 violations
- Surface Water Treatment Rule - 35 violations
- Total Trihalomethanes (TTHM) - 11 violations
Housing Context
Homes in this district were built on average around 1987 (~39 years old). Most homes were built after lead pipe regulations were tightened.
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 101 ZIP codes in Tennessee's 7th District.