ZipCheckup grade for 30078: C.
A mixed picture - some signals here are worth your attention.
Your top priority: test this home for radon. Check your ZIP → EPA radon map
Snellville, GA (30078) Home Safety: 67/100
EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Gwinnett Company Department of Water Resources)
EPA records for the water systems mapped to 30078 in Snellville, GA contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
- Flood 10 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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Safety records for Snellville (30078) identify 1 elevated condition - all fall in the high-priority category, with the critical-finding count for this ZIP at zero.
Score Breakdown
Overall Home Safety Score: 67/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) HIGH
Your Water System
ZIP code 30078 in Snellville, Georgia is mapped to the water system Gwinnett Company Department of Water Resources (EPA ID: GA1350004). This system provides water to approximately 975,000 people from surface water sources.
There are 2 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Gwinnett Company Department of Water Resources | GA1350004 | 975,000 | Surface water |
| Walton Company Water & Sewer Authority | GA2970008 | 45,230 | Surface water |
Other Water Quality Reports in Georgia
- 30002 (Avondale Estates) - 1 violation recorded for mapped water systems
- 30003 (Norcross)
- 30004 (Alpharetta) - 3 violations recorded for mapped water systems
- 30005 (Alpharetta) - 3 violations recorded for mapped water systems
- 30006 (Marietta)
- 30007 (Marietta)
- 30008 (Marietta)
- 30009 (Alpharetta) - 2 violations recorded for mapped water systems
- 30010 (Norcross)
- 30011 (Auburn) - 7 violations recorded for mapped water systems
- 30012 (Conyers) - 18 violations recorded for mapped water systems
- 30013 (Conyers) - 5 violations recorded for mapped water systems
- 30014 (Covington) - 3 violations recorded for mapped water systems
- 30015 (Covington)
- 30016 (Covington) - 1 violation recorded for mapped water systems
- 30017 (Grayson)
- 30018 (Jersey)
- 30019 (Dacula)
- 30021 (Clarkston) - 1 violation recorded for mapped water systems
- 30022 (Alpharetta) - 2 violations recorded for mapped water systems
Nearby Water Quality Reports
- 30017 (Grayson) - 3 mi
- 30039 (Snellville) - 3 mi - 1 violation recorded for mapped water systems
- 30047 (Lilburn) - 4 mi - 1 violation recorded for mapped water systems
- 30086 (Stone Mountain) - 4 mi
- 30333 (Atlanta) - 4 mi
- 30356 (Atlanta) - 4 mi
- 30359 (Atlanta) - 4 mi
- 30362 (Atlanta) - 4 mi
- 30366 (Atlanta) - 4 mi
- 31119 (Atlanta) - 4 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Gwinnett Company Department of Water Resources (GA1350004) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 30078.
Detected compounds: PFBS.
Highest measured level: 0.003 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
Cost & Community (8) OK
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Snellville
Based on local data for ZIP 30078, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Snellville has 10 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 30078 was built around 1981. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Snellville is 1981; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Active weather alerts in Georgia increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 30078 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 30078 (primary system: Gwinnett Company Department of Water Resources), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 30078's water come from?
The recorded water source for Gwinnett Company Department of Water Resources, a system mapped to ZIP code 30078, is Surface water. This system serves approximately 975,000 people.
How does Snellville water compare to the national average?
Snellville's Home Safety Score ranks lower than 65% of U.S. ZIP codes, and lower than 61% of ZIP codes within Georgia.
How can I get my water tested in Snellville?
If Gwinnett Company Department of Water Resources supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 30078?
30078 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Gwinnett County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 30078's water?
Yes, PFAS have been detected in samples from water systems mapped to 30078. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 30078?
FEMA records contain 10 flood insurance claims filed in ZIP code 30078; the recorded rated-zone value (the most frequent one if there are several claims) is X, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Snellville, GA (30078) Home Safety: 67/100. https://zipcheckup.com/report/30078/
@misc{zipcheckup-report-30078,
author = {{ZipCheckup}},
title = {{Snellville, GA (30078) Home Safety: 67/100}},
year = {2026},
url = {https://zipcheckup.com/report/30078/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 30078
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 30017 | Grayson, GA | 3.2 mi | C | 0 |
| 30039 | Snellville, GA | 3.3 mi | C | 1 |
| 30047 | Lilburn, GA | 3.7 mi | C | 1 |
| 30086 | Stone Mountain, GA | 4.3 mi | N/A | 0 |
| 30333 | Atlanta, GA | 4.3 mi | N/A | 0 |
| 30356 | Atlanta, GA | 4.3 mi | N/A | 0 |
| 30359 | Atlanta, GA | 4.3 mi | N/A | 0 |
| 30362 | Atlanta, GA | 4.3 mi | N/A | 0 |
| 30366 | Atlanta, GA | 4.3 mi | N/A | 0 |
| 31119 | Atlanta, GA | 4.3 mi | N/A | 0 |
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