Norcross, GA: 30 Violations — 63/100 (2026)
6 ZIP codes · 4 water systems · Updated 2026-06-03
Across water systems in Norcross, safety results are uneven — a portion carry active or recent violations, while others meet federal standards without incident, placing the city in the middle tier for GA.
How Norcross Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Norcross, GA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Norcross's 6 ZIP codes.
Key Facts for Norcross Residents
- Your city's water systems recorded 30 violations in the past 5 years.
- Average lead level: 0.0045 mg/L.
- Estimated remediation: $2,200 per household.
- CDC health risk index: 11.46.
Norcross's Water Providers
Structurally, Norcross, GA's water supply is divided. Federal data identifies 4 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 6 ZIP codes in Norcross, Georgia (population ~111,815), covering 4 community water systems serving approximately 2,808,693 people region-wide.
6 of 6 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Norcross: C (63/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Norcross water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0045 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 6 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 14 | 6 |
| Arsenic | Inorganic | 7 | 6 |
| Total Coliform | Microbiological | 7 | 6 |
| Lead and Copper Rule | Treatment Technique | 7 | 6 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 30003 | C | 5 | 0 | Jones Mobile Home Park |
| 30010 | C | 5 | 0 | Jones Mobile Home Park |
| 30071 | C | 5 | 0 | GWINNETT CO. DEPT. OF WATER RESOURCES |
| 30091 | C | 5 | 0 | Jones Mobile Home Park |
| 30092 | C | 5 | 0 | ATLANTA |
| 30093 | C | 5 | 0 | Jones Mobile Home Park |
All ZIP Codes in Norcross
- 30003 [C] — 5 violations
- 30010 [C] — 5 violations
- 30071 [C] — 5 violations
- 30091 [C] — 5 violations
- 30092 [C] — 5 violations
- 30093 [C] — 5 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Norcross Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Norcross's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Norcross
What does remediation cost in financial context for Norcross homeowners? Proportionally very little — the equity share here is low, and addressing documented issues is a manageable planning question rather than a material financial burden.
Remediation costs in Norcross are relatively low compared to home values. The $1,467–$2,933 estimated range is a small fraction of median property value. Home values are 52% above the Georgia average.
Norcross: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Norcross appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Norcross: Flood History & Water Damage Risk
Flood risk in Norcross occupies the middle ground: 72 NFIP claims and 67% of local ZIP codes within FEMA flood zones. At that level, the risk pathways connecting flooding to water quality — treatment system stress, well infiltration, distribution backflow — become relevant considerations during significant flood events, even if day-to-day water quality is unaffected by flood history.
Norcross has a moderate flood history with 72 FEMA claims averaging $16,220 per payout. 67% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$2,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Norcross
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Surface Water Treatment Rule can reduce the most common contaminant found in Norcross's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Norcross, GA