North Dallas County Water Authority
EPA ID: AL0000482 · 8,838 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for North Dallas County Water Authority (AL0000482): 33 EPA violations in the last five years. The five-year EPA compliance file for North Dallas County Water Authority contains 33 violations, each documented and subsequently closed - the utility now operates in full compliance and continues to supply approximately 8,838 residents with water meeting current federal standards, including both health-based and monitoring requirements.
Data: EPA SDWIS
Service Area Map
Coverage area for North Dallas County Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The North Dallas County Water Authority serves a community with a median household income of $35,281 and an estimated 34,347 residents across its service area. Approximately 68% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 62% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
North Dallas County Water Authority's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Detected Contaminants
How North Dallas County Water Authority compares to EPA limits
What This Means For You
PFOA at 1 mg/L exceeds the EPA maximum of 0.000004 mg/L.
PFNA at 1 mg/L exceeds the EPA maximum of 0.00001 mg/L.
Chlorodibromomethane at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.
Bromate at 1 mg/L exceeds the EPA maximum of 0.01 mg/L.
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Chlorodibromomethane was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Alabama
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
North Dallas County Water Authority (EPA ID: AL0000482) is a community water system in Alabama that serves approximately 8,838 people from groundwater sources.
This system provides water to 4 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 30 resolved, 3 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2022 | Gross Alpha | Non-health-based | Resolved |
| January 1, 2022 | Radium-226 | Non-health-based | Archived |
| January 1, 2022 | Radium-228 | Non-health-based | Resolved |
| January 1, 2022 | Contaminant 4100 | Non-health-based | Archived |
| January 1, 2022 | Lead | Non-health-based | Archived |
| November 1, 2021 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| October 1, 2021 | Gross Alpha | Non-health-based | Resolved |
| October 1, 2021 | Radium-226 | Non-health-based | Resolved |
| October 1, 2021 | Radium-228 | Non-health-based | Resolved |
| October 1, 2021 | Contaminant 4100 | Non-health-based | Resolved |
| October 1, 2021 | PFOA | Non-health-based | Resolved |
| October 1, 2021 | PFNA | Non-health-based | Resolved |
| October 1, 2021 | Monochloroacetic Acid | Non-health-based | Resolved |
| October 1, 2021 | Dichloroacetic Acid | Non-health-based | Resolved |
| October 1, 2021 | Bromodichloromethane | Non-health-based | Resolved |
| October 1, 2021 | Dibromochloromethane | Non-health-based | Resolved |
| October 1, 2021 | Bromoform | Non-health-based | Resolved |
| October 1, 2021 | Chlorodibromomethane | Non-health-based | Resolved |
| October 1, 2021 | Trichloroacetic Acid | Non-health-based | Resolved |
| October 1, 2021 | Monobromoacetic Acid | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Gross Alpha | Radionuclides | 3 | No |
| Radium-228 | Radionuclides | 3 | No |
| Radium-226 | Radionuclides | 2 | No |
| Contaminant 4100 | Other Violation | 2 | No |
| Lead | Inorganic | 1 | No |
| PFOA | PFAS | 1 | No |
| PFNA | PFAS | 1 | No |
| Monochloroacetic Acid | Disinfection Byproducts | 1 | No |
| Dichloroacetic Acid | Disinfection Byproducts | 1 | No |
| Bromodichloromethane | Disinfection Byproducts | 1 | No |
| Dibromochloromethane | Disinfection Byproducts | 1 | No |
| Bromoform | Disinfection Byproducts | 1 | No |
| Chlorodibromomethane | Disinfection Byproducts | 1 | No |
| Trichloroacetic Acid | Disinfection Byproducts | 1 | No |
| Monobromoacetic Acid | Disinfection Byproducts | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0012 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by AL or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for North Dallas County Water Authority (AL0000482) on EPA.gov.
Frequently Asked Questions
Is North Dallas County Water Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for North Dallas County Water Authority; its 33 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does North Dallas County Water Authority serve?
North Dallas County Water Authority serves approximately 8,838 people across 4 ZIP codes in Alabama.
Where does North Dallas County Water Authority get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). North Dallas County Water Authority (AL): 33 EPA Violations. https://zipcheckup.com/water-system/al0000482/
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title = {{North Dallas County Water Authority (AL): 33 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/al0000482/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
North Dallas County Water Authority (EPA ID: AL0000482) - request the latest Consumer Confidence Report or ask about specific contaminants.