Water Quality Report · Updated October 07, 2026
MOBILE, BD. OF W&S COMM. OF THE CITY OF
MOBILE, BD. OF W&S COMM. OF THE CITY OF delivers tap water graded F (53/100) by TapWaterSafety.org. The utility serves approximately 279,000 residents in MOBILE, Alabama using surface water. The most significant water quality concerns are: PFAS contamination; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. For questions, the utility can be reached at 251-694-9149.
Is MOBILE tap water safe to drink?
MOBILE, BD. OF W&S COMM. OF THE CITY OF delivers tap water that earns a grade of F (53/100) from TapWaterSafety.org — a poor rating, with significant contamination concerns and/or recent violations.
The utility serves 279,000 residents in MOBILE, drawing from surface water.
Public testing data identifies 13 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Perfluorohexane sulfonate (PFHXS), Bromodichloromethane, Chloroform, Perfluorooctanoic acid (PFOA), Perfluorononanoic acid (PFNA), Chlorite, Radium, combined (-226 and -228), Dibromochloromethane, Chromium (hexavalent), Perfluorooctane sulfonate (PFOS). For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
EPA compliance record
Official U.S. EPA records for MOBILE, BD. OF W&S COMM. OF THE CITY OF (system ID AL0001005) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Missed testing or reporting | 07/01/2023 | Open |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Contaminant above the legal limit | 07/01/2023 | Open |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Missed testing or reporting | 04/01/2025 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Quick actions for MOBILE residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for MOBILE, BD. OF W&S COMM. OF THE CITY OF.
PFAS contamination
Severe concernPerfluorononanoic acid (PFNA), Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 36.0 ppb, 601x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 45.5 ppb, 303x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 28.1 ppb, 281x above the EWG health guideline of 0.1 ppb.
Contact MOBILE, BD. OF W&S COMM. OF THE CITY OF
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for MOBILE
Filters matched to the specific contaminants in this water supply.
Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)
$180-$750Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 53/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
36.0 ppb | 0.06 | — | — | — | — | — | 601× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
45.5 ppb | 0.15 | 80.0 | 100 | — | — | — | 303× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
28.1 ppb | 0.1 | 60.0 | 60 | — | — | — | 281× over |
| Perfluorohexane sulfonate (PFHXS) PFAS |
0.252 ppt | 0.001 | 10.0 | — | — | — | — | 252× over |
| Bromodichloromethane Disinfection byproduct |
2.23 ppb | 0.06 | — | — | — | — | — | 37× over |
| Chloroform Disinfection byproduct |
7.57 ppb | 0.4 | — | — | — | — | — | 19× over |
| Perfluorooctanoic acid (PFOA) PFAS |
1.21 ppt | 0.09 | 4.0 | 100 | 100 | 0.007 | — | 13× over |
| Perfluorononanoic acid (PFNA) PFAS |
0.068 ppt | 0.006 | 10.0 | — | — | — | — | 11× over |
| Chlorite Disinfection byproduct |
452.2 ppb | 50.0 | 1000.0 | — | — | — | — | 9.0× over |
| Radium, combined (-226 and -228) Radiological |
0.32 pCi/L | 0.05 | 5.0 | — | — | — | — | 6.4× over |
| Dibromochloromethane Disinfection byproduct |
0.375 ppb | 0.1 | — | — | — | — | — | 3.8× over |
| Chromium (hexavalent) Heavy metal |
0.0419 ppb | 0.02 | — | — | — | — | — | 2.1× over |
| Perfluorooctane sulfonate (PFOS) PFAS |
0.6 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | 2.0× over |
| Nitrate and nitrite Inorganic |
0.137 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Nitrate Inorganic |
0.117 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Chlorate Disinfection byproduct |
113.5 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Aluminum Heavy metal |
167.6 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Beryllium Heavy metal |
0.263 ppb | 1.0 | 4.0 | — | — | 1 | — | Below guideline |
| Barium Heavy metal |
22.4 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
0.668 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Vanadium Other |
0.05 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Hexachlorocyclopentadiene Other |
0.00418 ppb | 2.0 | 50.0 | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
0.826 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluoroheptanoic acid (PFHPA) PFAS |
0.548 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
0.695 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0368 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.716 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Nitrite Inorganic |
0.02 ppm | — | 1.0 | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
MOBILE, BD. OF W&S COMM. OF THE CITY OF service area
This water system serves 1 community in Mobile County, Alabama. Click any city for its dedicated tap water quality page.
Find the right filter for MOBILE water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.