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NORTH DALLAS WATER AUTHORITY

PWS ID: AL0000482 · VALLEY GRANDE, Alabama 36701

NORTH DALLAS WATER AUTHORITY serves 8,838 people in VALLEY GRANDE, Alabama using Groundwater water sources. It has 67 recorded EPA violations, including 1 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: NORTH DALLAS WATER AUTHORITY

NORTH DALLAS WATER AUTHORITY is a local-owned community water system that delivers drinking water to 8,838 residents in VALLEY GRANDE, Alabama (Dallas County) through 2,946 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 67 total violations for this system , of which 1 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 61 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 5 violations (MON). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 17.3 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. NORTH DALLAS WATER AUTHORITY's 67 violations sit below the Alabama average. Statewide, 157 of 306 UCMR5-tested systems have reported PFAS detections (51.3%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
8,838
Total Violations
67
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,946
County
Dallas
School/Daycare
No
MCL Violations
1
Monitoring Violations
61
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 5 2021
Gross Alpha, Excl. Radon and U MR 4 2022
Radium-228 MR 4 2022
Radium-226 MR 2 2022
1,2,4-Trichlorobenzene MR 2 2021
cis-1,2-Dichloroethylene MR 2 2021
Xylenes, Total MR 2 2021
o-Dichlorobenzene MR 2 2021
p-Dichlorobenzene MR 2 2021
1,2-Dichloropropane MR 2 2021
Trichloroethylene MR 2 2021
1,1,2-Trichloroethane MR 2 2021
Tetrachloroethylene MR 2 2021
Styrene MR 2 2021
1,1-Dichloroethylene MR 2 2021
Ethylbenzene MR 2 2021
CHLOROBENZENE MR 2 2021
trans-1,2-Dichloroethylene MR 2 2021
1,2-Dichloroethane MR 2 2021
Gross Beta Particle Activity MR 2 2022
DICHLOROMETHANE MR 2 2021
Carbon tetrachloride MR 2 2021
Benzene MR 2 2021
Toluene MR 2 2021
Vinyl chloride MR 2 2021
1,1,1-Trichloroethane MR 2 2021
Coliform (TCR) MR 1 1991
Coliform (TCR) MCL 1 1994
Nitrate MR 1 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFNA 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/8/2025 16.2000 µg/L 9 µg/L Detected
PFTA 4/8/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 4/8/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 4/8/2025 <0.02 µg/L 0.02 µg/L Not Detected
NMeFOSAA 4/8/2025 <0.006 µg/L 0.006 µg/L Not Detected
ADONA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/8/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/8/2025 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 4/8/2025 <0.007 µg/L 0.007 µg/L Not Detected
lithium 4/8/2025 13.2000 µg/L 9 µg/L Detected
PFHxA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/8/2025 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 4/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/8/2025 <0.003 µg/L 0.003 µg/L 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 NORTH DALLAS WATER AUTHORITY.

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 AL0000482 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
2022 Gross Alpha, Excl. Radon and U MR 4 SDWIS / AL0000482 / 4000
2022 Radium-228 MR 4 SDWIS / AL0000482 / 4030
2022 Radium-226 MR 2 SDWIS / AL0000482 / 4020
2022 Gross Beta Particle Activity MR 2 SDWIS / AL0000482 / 4100
2022 Nitrate MR 1 SDWIS / AL0000482 / 1040
2021 Revised Total Coliform Rule MON 5 SDWIS / AL0000482 / 8000
2021 1,2,4-Trichlorobenzene MR 2 SDWIS / AL0000482 / 2378
2021 cis-1,2-Dichloroethylene MR 2 SDWIS / AL0000482 / 2380
2021 Xylenes, Total MR 2 SDWIS / AL0000482 / 2955
2021 o-Dichlorobenzene MR 2 SDWIS / AL0000482 / 2968
2021 p-Dichlorobenzene MR 2 SDWIS / AL0000482 / 2969
2021 1,2-Dichloropropane MR 2 SDWIS / AL0000482 / 2983
2021 Trichloroethylene MR 2 SDWIS / AL0000482 / 2984
2021 1,1,2-Trichloroethane MR 2 SDWIS / AL0000482 / 2985
2021 Tetrachloroethylene MR 2 SDWIS / AL0000482 / 2987

How NORTH DALLAS WATER AUTHORITY Compares

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

Metric NORTH DALLAS WATER AUTHORITY Alabama avg Federal benchmark
Total violations 67 72 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 6.7 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 51.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 8,838 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is NORTH DALLAS WATER AUTHORITY water safe to drink? ▼
NORTH DALLAS WATER AUTHORITY (PWS ID: AL0000482) has 67 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 8,838 people using Groundwater sources.
How many people does NORTH DALLAS WATER AUTHORITY serve? ▼
NORTH DALLAS WATER AUTHORITY serves 8,838 people in VALLEY GRANDE, Alabama. It is a Local-owned system using Groundwater water sources with 2,946 service connections.
What type of violations does NORTH DALLAS WATER AUTHORITY have? ▼
NORTH DALLAS WATER AUTHORITY has 67 total violations: 1 health-based violations (MCL exceedances or treatment failures), 61 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NORTH DALLAS WATER AUTHORITY water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in NORTH DALLAS WATER AUTHORITY's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does NORTH DALLAS WATER AUTHORITY use? ▼
NORTH DALLAS WATER AUTHORITY uses Groundwater 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.

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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.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial