Lawrenceville, GA: High Radon Risk — 65/100 (2026)
6 ZIP codes · 2 water systems · Updated 2026-06-03
Water monitoring across Lawrenceville paints a mid-range picture within GA — solid compliance in some service zones, documented concerns in others. Most violations on record are concentrated in specific areas, and the overall grade has held in the middle tier without major shifts in recent monitoring cycles.
How Lawrenceville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Lawrenceville, GA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
How ZIP codes in Lawrenceville score across all safety grades.
What You Should Know About Lawrenceville Water
- Average lead level: 0.0012 mg/L.
- Homes built before 1986: 26% — older plumbing may contain lead solder.
- Estimated remediation: $2,100 per household.
- CDC health risk index: 11.57.
Who Supplies Your Water in Lawrenceville
Water delivery in Lawrenceville, GA is handled by 2 utilities rather than a single system — drawn from 2 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 6 ZIP codes in Lawrenceville, Georgia (population ~275,774), covering 2 community water systems serving approximately 1,020,230 people region-wide.
No EPA violations recorded across any ZIP codes in Lawrenceville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Lawrenceville: C (65/100)
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
Lawrenceville water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0012 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 30042 | C | Gwinnett Company Department of Water Resources | 975,000 |
| 30043 | C | Gwinnett Company Department of Water Resources | 975,000 |
| 30044 | C | Gwinnett Company Department of Water Resources | 975,000 |
| 30045 | B | Gwinnett Company Department of Water Resources | 975,000 |
| 30046 | C | Gwinnett Company Department of Water Resources | 975,000 |
| 30049 | C | Gwinnett Company Department of Water Resources | 975,000 |
All ZIP Codes in Lawrenceville
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.
Health Outcomes in Lawrenceville
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
Housing & Infrastructure in Lawrenceville
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Compared to many older metro areas, Lawrenceville carries a relatively newer housing profile — the median build year of 1995 places most of the stock in the post-1986 era when lead solder was federally banned from new plumbing. That shift meaningfully reduces the baseline likelihood of lead leaching from copper joint solder. Homes from before 1986 do still exist in the mix, however, and individual testing remains the only way to confirm what a specific tap actually delivers.
Most homes in Lawrenceville were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Lawrenceville Homeowners
Given current Lawrenceville valuations, the remediation-to-property-value ratio is low — most homeowners are looking at a proportionally modest share that fits within routine financial planning.
Remediation costs in Lawrenceville are relatively low compared to home values. The $1,400–$2,817 estimated range is a small fraction of median property value. Home values are 51% above the Georgia average.
Lead Exposure Risk for Children in Lawrenceville
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.
Although citywide aggregate readings pass cleanly and just 26% of Lawrenceville housing comes from the pre-rule era, the difference between what utilities sample and what arrives at one specific faucet remains a structural feature of how monitoring works. Households with kids in the home can find a certified lead-removal filter and a draw-test kit through retailer-verified channels. That step is independent of system-level data.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Lawrenceville
Measured across the NFIP's multi-decade tracking period, Lawrenceville shows a moderate flood record — 163 claims and 67% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Lawrenceville has a moderate flood history with 163 FEMA claims averaging $13,875 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>$2,100</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 Lawrenceville
- 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. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- 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 Lawrenceville, GA