COUNTY REPORT TN

Shelby County, Tennessee

79 ZIP codes · Avg score 92/100 · Grade A · Updated 2026-06-03

Shelby County earns a high water safety grade — 79 ZIP codes tracked, virtually all compliant.

How Shelby County Compares

Shelby County92/100
Tennessee avg69/100
National avg68/100

How Shelby County Compares

A
County Grade
92/100
Avg Safety Score
79
ZIP Codes
11
Water Systems

Shelby County scores 23 points above the Tennessee state average (69/100) and 24 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

A
County Grade
92
Avg Safety Score
79
ZIP Codes
Best ZIP: 37544 (99/100)
Lowest ZIP: 38018 (65/100)
$195K
Median Home Value
$1,507
Avg Remediation (77% of home value)

ZIP Code Risk Map

Water Quality Map: Shelby County, Tennessee

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 14.7 (asthma 11.7%, diabetes 16%)

Estimated additional annual cost per homeowner: $710, driven primarily by flood

County Health Indicators vs National Average

Asthma 11.7% (national: 8.9%)
Diabetes 16% (national: 10.5%)
Obesity 39.8% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $710

Flood $458/yr
Energy Code Gap $175/yr
Water / Lead $77/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Shelby County

$195K
Median Home Value
$1,507
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Shelby County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Shelby County residents

Asthma 11.7% (US avg: 8.9%)
Diabetes 16% (US avg: 11%)
Obesity 39.8% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Shelby County ranked by EPA violation count.

# Water System Population Violations
1 Germantown Water Department 37,738 8
2 Memphis Light, Gas, & Water 659,500 6
3 Collierville Water Department 51,972 6
4 Rossville Water System 1,297 2
5 Poplar Grove Utility District 19,599 0

11 total water systems serve Shelby County.

All ZIP Codes in Shelby County

79 ZIP codes tracked in Shelby County.

# ZIP Code City Safety Score Grade Violations Home Value
1 37544 Memphis 99 A 0
2 38054 Millington 99 A 0
3 38055 Millington 99 A 0
4 38083 Millington 99 A 0
5 38124 Memphis 99 A 0
6 38126 Memphis 99 A 0 $59K
7 38130 Memphis 99 A 0
8 38131 Memphis 99 A 0
9 38136 Memphis 99 A 0
10 38145 Memphis 99 A 0
11 38147 Memphis 99 A 0
12 38148 Memphis 99 A 0
13 38150 Memphis 99 A 0
14 38151 Memphis 99 A 0
15 38152 Memphis 99 A 0
16 38157 Memphis 99 A 0
17 38159 Memphis 99 A 0
18 38161 Memphis 99 A 0
19 38163 Memphis 99 A 0
20 38165 Memphis 99 A 0
21 38166 Memphis 99 A 0
22 38173 Memphis 99 A 0
23 38174 Memphis 99 A 0
24 38175 Memphis 99 A 0
25 38177 Memphis 99 A 0
26 38181 Memphis 99 A 0
27 38182 Memphis 99 A 0
28 38184 Memphis 99 A 0
29 38186 Memphis 99 A 0
30 38188 Memphis 99 A 0
31 38193 Memphis 99 A 0
32 38194 Memphis 99 A 0
33 38197 Memphis 99 A 0
34 38027 Collierville 97 A 2
35 37501 Memphis 95 A 0
36 38101 Memphis 95 A 0
37 38105 Memphis 95 A 0 $75K
38 38108 Memphis 95 A 0 $63K
39 38112 Memphis 95 A 0 $207K
40 38113 Memphis 95 A 0
41 38132 Memphis 95 A 0
42 38137 Memphis 95 A 0
43 38141 Memphis 95 A 0 $146K
44 38167 Memphis 95 A 0
45 38168 Memphis 95 A 0
46 38183 Germantown 95 A 2
47 38187 Memphis 95 A 0
48 38190 Memphis 95 A 0
49 38103 Memphis 90 A 0 $381K
50 38104 Memphis 90 A 0 $301K
51 38106 Memphis 90 A 0 $66K
52 38107 Memphis 90 A 0 $129K
53 38109 Memphis 90 A 0 $77K
54 38111 Memphis 90 A 0 $165K
55 38114 Memphis 90 A 0 $79K
56 38115 Memphis 90 A 0 $130K
57 38116 Memphis 90 A 0 $126K
58 38117 Memphis 90 A 0 $288K
59 38118 Memphis 90 A 0 $96K
60 38119 Memphis 90 A 0 $279K
61 38120 Memphis 90 A 0 $422K
62 38122 Memphis 90 A 0 $108K
63 38125 Memphis 90 A 0 $230K
64 38133 Memphis 90 A 0 $235K
65 38135 Memphis 90 A 0 $270K
66 38017 Collierville 88 A 2 $470K
67 38139 Germantown 86 A 2 $541K
68 38053 Millington 85 A 0 $195K
69 38127 Memphis 85 A 0 $83K
70 38128 Memphis 85 A 0 $124K
71 38134 Memphis 85 A 0 $184K
72 38138 Germantown 81 B 2 $394K
73 38014 Brunswick 73 B 0
74 38016 Cordova 73 B 0 $262K
75 38028 Eads 73 B 0 $462K
76 38029 Ellendale 66 C 0
77 38088 Cordova 66 C 0
78 38002 Arlington 65 C 0 $363K
79 38018 Cordova 65 C 0 $255K

Recommended Buyer Guides for Shelby County

Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.

Overview

Shelby County in Tennessee covers 79 ZIP codes with an average Home Safety Score of A (92/100).

5 of 79 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Tennessee water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Shelby County?
Shelby County receives a grade of A, indicating generally safe tap water across its 79 ZIP codes.
How many water systems serve Shelby County?
Shelby County is served by 11 public water systems that supply drinking water to residents across 79 ZIP codes.
What is the biggest environmental risk in Shelby County?
The primary environmental risk factor in Shelby County is flood. This contributes to an estimated additional annual cost of $710 per homeowner.
How does Shelby County compare to Tennessee?
Shelby County has an average water safety score of 92/100, which is above the Tennessee state average of 69/100.

Get safety alerts for Shelby, Tennessee

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool — no phone call required.