Gwinnett Company Department of Water Resources
EPA ID: GA1350004 · 975,000 people served · 29 ZIP codes
ZipCheckup's reading of EPA SDWIS for Gwinnett Company Department of Water Resources (GA1350004): no EPA violations recorded in the last five years. Throughout five consecutive years of federal water monitoring, Gwinnett Company Department of Water Resources recorded zero violations - solid performance for a utility serving 975,000 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Gwinnett Company Department of Water Resources Source: EPA SDWIS service area boundaries.
Service area boundary - Grade C
Service Area Demographics
The Gwinnett Company Department of Water Resources serves a community with a median household income of $89,484 and an estimated 1,359,290 residents across its service area.
🌊 Where Does Your Water Come From?
Gwinnett Company Department of Water Resources's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 29 detections recorded. 12 exceed federal EPA limits (4 ppt for PFOA/PFOS). 12 exceed state limits.
Comparable Water Systems
Similar-sized systems in Georgia
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
Gwinnett Company Department of Water Resources (EPA ID: GA1350004) is a community water system in Georgia that serves approximately 975,000 people from surface water sources.
This system provides water to 29 ZIP codes across 19 communities.
ZIP-Area Home Safety Context: C (64/100)
This is the average Home Safety Score for 16 of 29 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 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 1 (High 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 GA or modeled from parcel and building-footprint data.
- 30011 - Auburn
- 30017 - Grayson
- 30019 - Dacula
- 30024 - Suwanee
- 30039 - Snellville
- 30043 - Lawrenceville
- 30044 - Lawrenceville
- 30045 - Lawrenceville
- 30046 - Lawrenceville
- 30047 - Lilburn
- 30052 - Loganville
- 30058 - Lithonia
- 30071 - Norcross
- 30078 - Snellville
- 30084 - Tucker
- 30087 - Stone Mountain
- 30092 - Norcross
- 30093 - Norcross
- 30096 - Duluth
- 30097 - Duluth
- 30340 - Atlanta
- 30350 - Atlanta
- 30360 - Atlanta
- 30517 - Braselton
- 30518 - Buford
- 30519 - Buford
- 30542 - Flowery Branch
- 30548 - Hoschton
- 30620 - Bethlehem
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Gwinnett Company Department of Water Resources (GA1350004) on EPA.gov.
Frequently Asked Questions
Is Gwinnett Company Department of Water Resources water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Gwinnett Company Department of Water Resources in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Gwinnett Company Department of Water Resources serve?
Gwinnett Company Department of Water Resources serves approximately 975,000 people across 29 ZIP codes in Georgia.
Where does Gwinnett Company Department of Water Resources get its water?
The primary water source is surface water.
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.). Gwinnett Company Department of Water Resources, GA. https://zipcheckup.com/water-system/ga1350004/
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title = {{Gwinnett Company Department of Water Resources, GA}},
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url = {https://zipcheckup.com/water-system/ga1350004/}
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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
Gwinnett Company Department of Water Resources (EPA ID: GA1350004) - request the latest Consumer Confidence Report or ask about specific contaminants.