Mobile County, Alabama
60 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-06-03
Within Mobile County, all 60 tracked ZIP codes show above-average drinking water safety — violations are infrequent and typically minor.
How Mobile County Compares
How Mobile County Compares
Mobile County scores 9 points above the Alabama state average (73/100) and 14 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Mobile County, Alabama
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.6 (asthma 9.7%, diabetes 16%)
Estimated additional annual cost per homeowner: $4,691, driven primarily by sea_level
Infrastructure: 0.312% avg pipe failure probability, 18% of ZIPs at high risk
61.9% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $4,691
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
187,809 housing units in Mobile County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Mobile County
Remediation costs are relatively manageable for most homeowners in Mobile 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 Mobile 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 Mobile County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | MOBILE, BD. OF W&S COMM. OF THE CITY OF | 279,000 | 153 |
| 2 | MOBILE COUNTY WATER & FIRE PRO AUTHORITY | 39,573 | 20 |
| 3 | South Alabama Utilities Water System | 39,249 | 14 |
| 4 | Saraland, Bd of W&s Commissioners | 13,827 | 13 |
| 5 | Satsuma (the Wwb of the City of) | 7,248 | 8 |
17 total water systems serve Mobile County.
All ZIP Codes in Mobile County
60 ZIP codes tracked in Mobile County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 36505 | Axis | 95 | A | 0 | $163K |
| 2 | 36538 | Frankville | 95 | A | 1 | $101K |
| 3 | 36625 | Mobile | 94 | A | 4 (1 health) | — |
| 4 | 36628 | Mobile | 94 | A | 4 (1 health) | — |
| 5 | 36630 | Mobile | 94 | A | 4 (1 health) | — |
| 6 | 36640 | Mobile | 94 | A | 4 (1 health) | — |
| 7 | 36641 | Mobile | 94 | A | 4 (1 health) | — |
| 8 | 36644 | Mobile | 94 | A | 4 (1 health) | — |
| 9 | 36663 | Mobile | 94 | A | 4 (1 health) | — |
| 10 | 36671 | Mobile | 94 | A | 4 (1 health) | — |
| 11 | 36675 | Mobile | 94 | A | 4 (1 health) | — |
| 12 | 36685 | Mobile | 94 | A | 4 (1 health) | — |
| 13 | 36688 | Mobile | 94 | A | 4 (1 health) | — |
| 14 | 36518 | Chatom | 92 | A | 4 | $168K |
| 15 | 36615 | Mobile | 91 | A | 4 (1 health) | — |
| 16 | 36670 | Mobile | 91 | A | 4 (1 health) | — |
| 17 | 36689 | Mobile | 91 | A | 4 (1 health) | — |
| 18 | 36691 | Mobile | 91 | A | 4 (1 health) | — |
| 19 | 36590 | Theodore | 90 | A | 1 | — |
| 20 | 36613 | Eight Mile | 90 | A | 1 | $145K |
| 21 | 36522 | Citronelle | 88 | A | 5 | $152K |
| 22 | 36541 | Grand Bay | 88 | A | 2 | $164K |
| 23 | 36612 | Mobile | 86 | A | 4 (1 health) | $80K |
| 24 | 36616 | Mobile | 86 | A | 4 (1 health) | — |
| 25 | 36652 | Mobile | 86 | A | 4 (1 health) | — |
| 26 | 36660 | Mobile | 86 | A | 4 (1 health) | — |
| 27 | 36572 | Satsuma | 82 | B | 3 | $201K |
| 28 | 36601 | Mobile | 81 | B | 4 (1 health) | — |
| 29 | 36602 | Mobile | 81 | B | 4 (1 health) | $258K |
| 30 | 36604 | Mobile | 81 | B | 4 (1 health) | $237K |
| 31 | 36618 | Mobile | 81 | B | 4 (1 health) | $156K |
| 32 | 36633 | Mobile | 81 | B | 4 (1 health) | — |
| 33 | 36695 | Mobile | 81 | B | 4 (1 health) | $234K |
| 34 | 36582 | Theodore | 80 | B | 1 | $170K |
| 35 | 36571 | Saraland | 76 | B | 5 | $210K |
| 36 | 36603 | Mobile | 76 | B | 4 (1 health) | $107K |
| 37 | 36606 | Mobile | 76 | B | 4 (1 health) | $141K |
| 38 | 36607 | Mobile | 76 | B | 4 (1 health) | $125K |
| 39 | 36608 | Mobile | 76 | B | 4 (1 health) | $234K |
| 40 | 36609 | Mobile | 76 | B | 4 (1 health) | $202K |
| 41 | 36610 | Mobile | 76 | B | 4 (1 health) | $56K |
| 42 | 36611 | Mobile | 76 | B | 4 (1 health) | $110K |
| 43 | 36617 | Mobile | 76 | B | 4 (1 health) | $76K |
| 44 | 36619 | Mobile | 76 | B | 4 (1 health) | $172K |
| 45 | 36693 | Mobile | 76 | B | 4 (1 health) | $199K |
| 46 | 36509 | Bayou La Batre | 75 | B | 4 | $84K |
| 47 | 36512 | Bucks | 73 | B | 0 | — |
| 48 | 36513 | Calvert | 73 | B | 0 | $112K |
| 49 | 36528 | Dauphin Island | 73 | B | 1 | $387K |
| 50 | 36556 | Malcolm | 73 | B | 0 | — |
| 51 | 36560 | Mount Vernon | 73 | B | 0 | $111K |
| 52 | 36579 | Stockton | 73 | B | 0 | $241K |
| 53 | 36587 | Wilmer | 73 | B | 0 | $142K |
| 54 | 36605 | Mobile | 71 | B | 4 (1 health) | $98K |
| 55 | 36568 | Saint Elmo | 66 | C | 0 | — |
| 56 | 36521 | Chunchula | 65 | C | 0 | $169K |
| 57 | 36525 | Creola | 65 | C | 0 | $198K |
| 58 | 36544 | Irvington | 65 | C | 0 | $116K |
| 59 | 36575 | Semmes | 65 | C | 0 | $194K |
| 60 | 36523 | Coden | 55 | C | 0 | $191K |
Recommended Buyer Guides for Mobile County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- Best Lead Paint Test Kits — 61.9% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Mobile County, Alabama
Overview
Mobile County in Alabama covers 60 ZIP codes with an average Home Safety Score of B (82/100).
47 of 60 ZIP codes have recorded EPA violations. 36 health-based violations have been documented.
← Back to Alabama 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.