STATE REPORT TN HEALTH VIOLATIONS: 141

Tennessee Home Safety Profiles by ZIP

787 ZIP codes · 386 water systems · IPC plumbing code

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData, NWS, State plumbing boards, Rewiring America

ZipCheckup tracks drinking-water and home-safety data for 787 ZIP codes across Tennessee, covering 386 public water systems that serve about 6,910,840 people. 495 ZIP codes are mapped to at least one water system with an EPA violation on record.

787
ZIP Codes
386
Water Systems
495
ZIPs with Violations
IPC
Plumbing Code
B · 72
Avg Safety Score
42%
EPA Radon Zone 1 (county-level potential)
#24
of 50 States
42%
ZIPs Rated A or B
84%
ZIPs with Violations
B
Tennessee average: 72/100 - ranked #24 of 50 states. 1 points below the national average (73). Water systems mapped to 84% of ZIP codes have recorded violations.

Upper band, statewide: that is where Tennessee lands on the ZipCheckup scale.

Score Distribution

How Tennessee's 787 ZIP codes are distributed across safety grades.

43
A
49
B
97
C
28
D
3
F
85-10070-8455-6940-540-39

Home Safety Scores by State

Loading map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

Model 4.0.0 inputs: EPA SDWIS, UCMR5 PFAS, EPA radon zones, annual county AQI •

Top 10 ZIP Codes by Home Safety Score in Tennessee

Highest Home Safety Scores in the state.

#ZIP CodeCityCountyScoreGrade
1 38016 CordovaShelby 100 A
2 38018 CordovaShelby 100 A
3 38028 EadsShelby 100 A
4 38029 EllendaleShelby 100 A
5 38103 MemphisShelby 100 A
6 38104 MemphisShelby 100 A
7 38105 MemphisShelby 100 A
8 38106 MemphisShelby 100 A
9 38107 MemphisShelby 100 A
10 38108 MemphisShelby 100 A

10 Lowest-Scoring ZIP Codes in Tennessee

#ZIP CodeCityCountyScoreGradeViolations
1 37012 AlexandriaWilson 33 F 104
2 37184 WatertownWilson 37 F 51
3 37087 LebanonWilson 37 F 48
4 37890 White PineJefferson 40 D 17
5 37760 Jefferson CityJefferson 40 D 19
6 37090 LebanonWilson 42 D 36
7 37046 College GroveWilliamson 43 D 11
8 37820 New MarketJefferson 44 D 8
9 37771 Lenoir CityLoudon 45 D 7
10 37725 DandridgeJefferson 45 D 7

County Rankings

Water quality breakdown by county. 95 counties with data in Tennessee.

Loading county map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

County-level aggregation of measured ZIP Home Safety Scores • EPA SDWIS, UCMR 5 PFAS, EPA radon zones, EPA AirData

CountyAvg ScoreGradeZIPsBest ZIPWorst ZIP
47001 59 C 9 37754 (62) 37830 (50)
47003 N/A N/A 7 N/A N/A
47005 N/A N/A 4 N/A N/A
47007 N/A N/A 1 N/A N/A
47009 63 C 12 37701 (65) 37886 (62)
47011 N/A N/A 8 N/A N/A
47013 N/A N/A 7 N/A N/A
47015 N/A N/A 6 N/A N/A
47017 N/A N/A 13 N/A N/A
47019 N/A N/A 7 N/A N/A
47021 N/A N/A 5 N/A N/A
47023 N/A N/A 5 N/A N/A
47025 65 C 12 37724 (67) 37752 (63)
47027 N/A N/A 2 N/A N/A
47029 N/A N/A 7 N/A N/A
47031 N/A N/A 6 N/A N/A
47033 N/A N/A 7 N/A N/A
47035 N/A N/A 7 N/A N/A
47037 65 C 49 37013 (66) 37072 (59)
47039 N/A N/A 5 N/A N/A
47041 73 B 3 37166 (73) 37166 (73)
47043 N/A N/A 8 N/A N/A
47045 97 A 10 38059 (98) 38080 (97)
47047 N/A N/A 10 N/A N/A
47049 N/A N/A 5 N/A N/A
47051 N/A N/A 10 N/A N/A
47053 N/A N/A 11 N/A N/A
47055 N/A N/A 8 N/A N/A
47057 N/A N/A 6 N/A N/A
47059 N/A N/A 8 N/A N/A
47061 N/A N/A 6 N/A N/A
47063 N/A N/A 8 N/A N/A
47065 80 B 34 37339 (83) 37363 (62)
47067 N/A N/A 3 N/A N/A
47069 N/A N/A 10 N/A N/A
47071 N/A N/A 9 N/A N/A
47073 N/A N/A 6 N/A N/A
47075 N/A N/A 2 N/A N/A
47077 N/A N/A 6 N/A N/A
47079 N/A N/A 8 N/A N/A
47081 N/A N/A 7 N/A N/A
47083 N/A N/A 1 N/A N/A
47085 N/A N/A 4 N/A N/A
47087 N/A N/A 3 N/A N/A
47089 42 D 4 37725 (45) 37890 (40)
47091 N/A N/A 4 N/A N/A
47093 65 C 35 37902 (67) 37871 (46)
47095 N/A N/A 2 N/A N/A
47097 N/A N/A 4 N/A N/A
47099 55 C 7 38456 (58) 38486 (51)
47101 N/A N/A 1 N/A N/A
47103 N/A N/A 8 N/A N/A
47105 55 C 5 37846 (63) 37771 (45)
47107 62 C 6 37331 (66) 37329 (50)
47109 N/A N/A 9 N/A N/A
47111 N/A N/A 3 N/A N/A
47113 54 D 12 38356 (60) 38305 (49)
47115 N/A N/A 7 N/A N/A
47117 N/A N/A 4 N/A N/A
47119 87 A 8 38482 (99) 38401 (76)
47121 N/A N/A 3 N/A N/A
47123 N/A N/A 5 N/A N/A
47125 79 B 9 37043 (82) 37191 (78)
47127 N/A N/A 1 N/A N/A
47129 N/A N/A 8 N/A N/A
47131 N/A N/A 9 N/A N/A
47133 N/A N/A 8 N/A N/A
47135 N/A N/A 2 N/A N/A
47137 N/A N/A 2 N/A N/A
47139 N/A N/A 10 N/A N/A
47141 77 B 10 38505 (83) 38501 (69)
47143 N/A N/A 5 N/A N/A
47145 56 C 4 37763 (64) 37840 (50)
47147 N/A N/A 9 N/A N/A
47149 N/A N/A 14 N/A N/A
47151 N/A N/A 6 N/A N/A
47153 N/A N/A 1 N/A N/A
47155 75 B 7 37862 (82) 37764 (65)
47157 100 A 78 38016 (100) 38017 (95)
47159 N/A N/A 9 N/A N/A
47161 N/A N/A 6 N/A N/A
47163 51 D 13 37620 (60) 37660 (46)
47165 80 B 9 37075 (82) 37022 (76)
47167 N/A N/A 8 N/A N/A
47169 N/A N/A 1 N/A N/A
47171 N/A N/A 3 N/A N/A
47173 N/A N/A 3 N/A N/A
47175 N/A N/A 3 N/A N/A
47177 N/A N/A 5 N/A N/A
47179 N/A N/A 11 N/A N/A
47181 N/A N/A 6 N/A N/A
47183 N/A N/A 8 N/A N/A
47185 N/A N/A 3 N/A N/A
47187 54 D 12 37064 (61) 37046 (43)
47189 44 D 11 37122 (65) 37012 (33)

Most Common Contaminants in Tennessee

Contaminant / RuleCategoryZIPs AffectedViolationsHealth Risk
Surface Water Treatment Rule Treatment Technique 421 1510 No
Haloacetic Acids (HAA5) Disinfection Byproducts 263 676 Yes
Total Trihalomethanes (TTHM) Disinfection Byproducts 260 668 Yes
Consumer Confidence Report Rule Reporting 193 412 Yes
Revised Total Coliform Rule Microbiological 146 207 No
Stage 1 DBP Rule Treatment Technique 134 195 No
Lead and Copper Rule Treatment Technique 128 171 No
Lead Inorganic 97 106 No

Overview

We track multi-source home safety signals for 787 ZIP records across Tennessee. Home Safety Score model 4.0.0 is published for 220 scored records; missing required evidence suppresses the score.

The EPA snapshots used for this build directly map water systems to 590 ZIP records, covering 386 community water systems that serve approximately 6,910,840 people.

495 of 590 ZIP codes with a reported violation count in the available EPA record (84%) have recorded EPA violations. 141 health-based violations appear in the available health breakdown.

Plumbing Regulations

Tennessee follows the International Plumbing Code (2018 edition).

  • Plumbing code: IPC (2018)
  • Homeowner DIY: Allowed with permit
  • Water heater permit: Required
  • Annual backflow test: Required

Full Tennessee regulations →

Areas with Most Violations

ZIP Code City Home Safety Grade Violations Health-Based System
37012 Alexandria F 104 6 Dekalb Utility District #1
37847 Pioneer — 100 0 Huntsville Utility District
37144 Petersburg — 87 8 Bedford County U.d.
37762 Jellico — 86 0 Jellico Utilities Authority
37819 Newcomb — 86 0 Jellico Utilities Authority
37059 Dowelltown — 81 3 Dekalb Utility District #1
37334 Fayetteville — 76 0 Fayetteville Public Utilities
37095 Liberty — 72 3 Dekalb Utility District #4
38449 Ardmore — 68 0 Lincoln Company B.p.u. #1
38453 Dellrose — 68 0 Lincoln Company B.p.u. #1

Areas with No Violations

ZIP Code City Home Safety Grade System Population
37014 Arrington D Consolidated U.d. of Rutherford Company 221,871
37025 Bon Aqua — Bon Aqua-lyles U.d. 12,952
37029 Burns — Water Authority of Dickson County 68,675
37048 Cottontown — White House Utility District 130,411
37061 Erin — Erin Water Department 8,239
37188 White House — White House Utility District 130,411
37305 Beersheba Springs — Big Creek Utility District 9,185
37333 Farner — Copper Basin Utility District 2,710
37339 Gruetli Laager B Big Creek Utility District 9,185
37350 Lookout Mountain — Tennessee American Water 207,046

Home Safety Score

Average Home Safety Score for Tennessee: B (72/100) across 220 scored of 787 tracked ZIP records.

Model 4.0.0 uses the canonical components water-compliance, pfas-mcl-screen, radon-zone, annual-aqi across 3 required domains. The sections below provide additional context and do not change that score. Missing required evidence suppresses the score, and a favorable result is not a property-level safety certification.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0022 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 590 ZIP codes with known status exceed the EPA lead action level

Radon Risk

  • High risk (Zone 1): 332 ZIP codes (42%)
  • Moderate risk (Zone 2): 217 ZIP codes
  • Low risk (Zone 3): 238 ZIP codes

ZIP Code Reports for Tennessee

Largest Communities

ZIP Code City Population Safety Grade Violations
37135 Nolensville 1,202,314 D 5
37122 Mount Juliet 1,183,079 C 5
37072 Goodlettsville 1,124,172 C 12
37086 La Vergne 1,099,630 — 5
37027 Brentwood 1,094,018 C 14
37221 Nashville 960,987 C 13
37015 Ashland City 920,059 — 13
37189 Whites Creek 879,019 C 5
37138 Old Hickory 865,131 C 3
37115 Madison 859,356 C 4
37207 Nashville 859,356 C 4
37216 Nashville 859,356 C 4
37205 Nashville 843,671 C 3
37209 Nashville 843,671 C 3
37215 Nashville 843,671 C 3
37080 Joelton 806,989 C 4
37013 Antioch 797,966 C 3
37076 Hermitage 797,966 C 3
37201 Nashville 778,153 C 3
37203 Nashville 778,153 C 3

Lowest Published Home Safety Scores

ZIP Code City Score Grade Violations
37012 Alexandria 33 F 104
37087 Lebanon 37 F 48
37184 Watertown 37 F 51
37760 Jefferson City 40 D 19
37890 White Pine 40 D 17

Highest Published Home Safety Scores

ZIP Code City Score Grade Violations
38016 Cordova 100 A 0
38018 Cordova 100 A 0
38028 Eads 100 A 0
38029 Ellendale 100 A 0
38103 Memphis 100 A 0

All 787 ZIP Codes in Tennessee

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Largest water systems in Tennessee

The 12 largest community water systems in Tennessee, out of 386 in our data.

Show all 12 water systems

Systems with the most violations in Tennessee

12 systems in Tennessee with the most recorded EPA violations.

Frequently Asked Questions

Is the water safe to drink in Tennessee?

Tennessee has 386 community water systems serving 6,910,840 people across 787 ZIP codes. There are 1,311 recorded violations among these water systems, including 141 health-based. 495 of 787 ZIP codes are mapped to at least one water system with a recorded violation.

What plumbing code does Tennessee follow?

Tennessee's listed plumbing code type is IPC as of our last review; local jurisdictions may adopt or amend codes. State rules allow homeowner plumbing work in some cases; check local permit and licensing rules before starting.

What is the radon risk in Tennessee?

42% of ZIP codes in Tennessee are mapped to counties classified as EPA Radon Zone 1 (highest county-level radon potential).

How to cite this page

APA ZipCheckup. (2026). Tennessee Home Safety Profiles by ZIP. https://zipcheckup.com/states/tennessee/
BibTeX 
@misc{zipcheckup-states-tennessee,
  author = {{ZipCheckup}},
  title  = {{Tennessee Home Safety Profiles by ZIP}},
  year   = {2026},
  url    = {https://zipcheckup.com/states/tennessee/}
}

Page version: October 2026.

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