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Community Water System · PWS AL0001005

Mobile, Bd. of W&S Comm. of the City Of

Mobile, Alabama 36618 - drinking water served from surface water sources to 279,000 people, tracked in EPA SDWIS and UCMR5.

279,000
People served
204
EPA violations
5
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 204 drinking-water violations at Mobile, Bd. of W&S Comm. of the City Of, 2% of them health-based - above the Alabama per-system average.

204
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
279,000
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mobile, Bd. of W&S Comm. of the City Of

Mobile, Bd. of W&S Comm. of the City Of is a local-owned community water system that delivers drinking water to 279,000 residents in Mobile, Alabama (Mobile County) through 93,000 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 204 total violations for this system , of which 5 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 199 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is 1,2,4-Trichlorobenzene, recorded in 9 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Alabama, EPA tracks 562 public water systems serving 6,193,356 people, with 40,486 cumulative violations and 3,786 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 72 violations. Statewide, 157 of 306 UCMR5-tested systems have reported PFAS detections (51.3%).

Mobile, Bd. of W&S Comm. of the City Of's 204 violations sit above the Alabama average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
279,000
Total Violations
204
Health-Based Violations
5
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
93,000
County
Mobile
School/Daycare
No
MCL Violations
5
Monitoring Violations
199
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 9 2020
p-Dichlorobenzene MR 9 2020
Vinyl chloride MR 9 2020
trans-1,2-Dichloroethylene MR 9 2020
Carbon tetrachloride MR 9 2020
1,2-Dichloropropane MR 9 2020
Tetrachloroethylene MR 9 2020
CHLOROBENZENE MR 9 2020
Benzene MR 9 2020
Toluene MR 9 2020
Styrene MR 9 2020
Xylenes, Total MR 9 2020
DICHLOROMETHANE MR 9 2020
o-Dichlorobenzene MR 9 2020
1,1-Dichloroethylene MR 9 2020
1,2-Dichloroethane MR 9 2020
1,1,2-Trichloroethane MR 9 2020
Trichloroethylene MR 9 2020
cis-1,2-Dichloroethylene MR 9 2020
1,1,1-Trichloroethane MR 9 2020
Ethylbenzene MR 9 2020
TTHM MCL 5 2023
CARBON, TOTAL MR 4 2023
Interim Enhanced Surface Water Treatment Rule MR 2 2003
TTHM MR 2 2025
Total Haloacetic Acids (HAA5) MR 2 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 8/18/2025 <2.00 ppt 2.00 ppt Not Detected
PFDA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/18/2025 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/18/2025 <2.00 ppt 2.00 ppt Not Detected
PFDoA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/18/2025 <8.00 ppt 8.00 ppt Not Detected
PFOA 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 8/18/2025 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 8/18/2025 <7.00 ppt 7.00 ppt Not Detected
11Cl-PF3OUdS 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFBS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 8/18/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFNA 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 8/18/2025 <6.00 ppt 6.00 ppt Not Detected
PFOA 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFUnA 8/18/2025 <2.00 ppt 2.00 ppt Not Detected
PFTA 8/18/2025 <8.00 ppt 8.00 ppt Not Detected
4:2 FTS 8/18/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/18/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/18/2025 <4.00 ppt 4.00 ppt Not Detected
PFMBA 8/18/2025 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Mobile, Bd. of W&S Comm. of the City Of.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AL0001005 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Alabama Drinking Water Authority

Alabama's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find AL regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 TTHM MR 2 SDWIS / AL0001005 / 2950
2025 Total Haloacetic Acids (HAA5) MR 2 SDWIS / AL0001005 / 2456
2023 TTHM MCL 5 SDWIS / AL0001005 / 2950
2023 CARBON, TOTAL MR 4 SDWIS / AL0001005 / 2920
2020 1,2,4-Trichlorobenzene MR 9 SDWIS / AL0001005 / 2378
2020 p-Dichlorobenzene MR 9 SDWIS / AL0001005 / 2969
2020 Vinyl chloride MR 9 SDWIS / AL0001005 / 2976
2020 trans-1,2-Dichloroethylene MR 9 SDWIS / AL0001005 / 2979
2020 Carbon tetrachloride MR 9 SDWIS / AL0001005 / 2982
2020 1,2-Dichloropropane MR 9 SDWIS / AL0001005 / 2983
2020 Tetrachloroethylene MR 9 SDWIS / AL0001005 / 2987
2020 CHLOROBENZENE MR 9 SDWIS / AL0001005 / 2989
2020 Benzene MR 9 SDWIS / AL0001005 / 2990
2020 Toluene MR 9 SDWIS / AL0001005 / 2991
2020 Styrene MR 9 SDWIS / AL0001005 / 2996

How Mobile, Bd. of W&S Comm. of the City Of Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Mobile, Bd. of W&S Comm. of the City Of Alabama avg Federal benchmark
Total violations 204 72 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 6.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 51.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 279,000 11,020 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 562 regulated public water systems in Alabama.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Mobile, Bd. of W&S Comm. of the City Of water safe to drink?
Mobile, Bd. of W&S Comm. of the City Of (PWS ID: AL0001005) has 204 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 279,000 people using Surface Water sources.
How many people does Mobile, Bd. of W&S Comm. of the City Of serve?
Mobile, Bd. of W&S Comm. of the City Of serves 279,000 people in Mobile, Alabama. It is a Local-owned system using Surface Water water sources with 93,000 service connections.
What type of violations does Mobile, Bd. of W&S Comm. of the City Of have?
Mobile, Bd. of W&S Comm. of the City Of has 204 total violations: 5 health-based violations (MCL exceedances or treatment failures), 199 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mobile, Bd. of W&S Comm. of the City Of water?
No. Mobile, Bd. of W&S Comm. of the City Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Mobile, Bd. of W&S Comm. of the City Of use?
Mobile, Bd. of W&S Comm. of the City Of uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.