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
How Shelby County Compares
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
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.
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
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $710
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
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
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.
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Shelby County, Tennessee
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
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.