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Review government records associated with Snellville, Georgia.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Snellville, GA from EPA SDWIS.
Rockdale Co. Water System
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 87,156 people
Gwinnett Co. Dept. of Water Resources
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 975,000 people
Dekalb County
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 743,000 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Sep 2025 to Dec 2025.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Snellville drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Upper Big Haynes Creek
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Drinkingwater, Ecological
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
No NPDES-permitted facility records with current violation flags surfaced for this city report.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Gwinnett County
Assessment year: 2020
According to EPA, a cancer risk of 40-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 40 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
EPA designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Atlanta
Ozone · 8-Hour Ozone (2015 Standard)
Classification: Marginal
Current design value: 0.073 ppm (2023-2025)
1997 Primary Annual PM2.5 Designations
Atlanta
EPA revoked the 1997 primary annual PM2.5 standard in this redesignated area.
Original designation: Apr 2005
Open data source: EPA final primary annual revocation ruleOpen data source: EPA designation statusHistorical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Atlanta Area
Historical standard: 0.08 ppm (8-hour)
Historical designation: Maintenance · Subpart 2/Moderate
Original designation: Jun 2004
Open data source: EPA final revocation ruleContinuing requirements have not been verified for this area.
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Conyers
Annual mean: 0.039 Parts per million
Observation year: 2025
Gwinnett
Annual mean: 0.042 Parts per million
Observation year: 2025
Annual mean: 8.4 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
Active RCRA handler records in the reviewed city search area
Release reports
Reported: Dec 2021
Data from EPA UST Finder
No MSHA mine or extraction site records shown for this report.
Gwinnett County, GA
EPA Radon Zone Map (June 2024 release)
Gwinnett County is EPA Radon Zone 1 (highest potential). EPA defines Zone 1 counties as having predicted average indoor screening levels above 4 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain). No base flood elevation determined.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
No EPA ECHO RMP facility records with a usable location matched this city report.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
Recent Incidents (last 5 years)
ATLANTA GAS LIGHT CO
Incident date: Nov 13, 2024
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Gwinnett County, GeorgiaPop. 975,353
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 5,949 | 8,921 | 7,972 |
| Poor or Fair Health | 16.3% | 17.6% | 14.2% |
| Poor Physical Health Days | 3.1 | 3.6 | 3.3 |
| Poor Mental Health Days | 4.4 | 4.8 | 4.8 |
| Adult Smoking | 12.7% | 15.6% | 15.0% |
| Adult Obesity | 31.3% | 34.2% | 34.0% |
| Air Pollution - Particulate Matter | 10.8 | 9.4 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 11.1% | 11.3% | 9.6% |
| Life Expectancy | 79.6 | 76.1 | 77.6 |
EPA testing found PFAS in water samples from Rockdale Co. Water System. Results dated Sep 8, 2025 to Dec 2, 2025 include PFBS at 0.0032 to 0.0035 micrograms per liter and PFPeA at 0.003 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 6 violations for Rockdale Co. Water System.
EPA drinking water records on this page list 4 violations for Gwinnett Co. Department of Water Resources.
EPA drinking water records on this page list 2 violations for Dekalb County.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Snellville.
The monitoring station at Conyers recorded an annual average of 0.039 Parts per million for ozone in 2025.
The monitoring station at Gwinnett recorded an annual average of 0.042 Parts per million for ozone in 2025.
The monitoring station at Gwinnett recorded an annual average of 8.4 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Snellville covers Gwinnett County. EPA places this area in Zone 1, with a predicted average indoor radon screening level above 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Snellville reports a life expectancy of 79.6 years in Gwinnett County, Georgia.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Snellville reports 5,949 years of life lost to deaths before age 75 per 100,000 residents in Gwinnett County, Georgia. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Snellville lists fine-particle pollution (PM2.5) at 10.8 micrograms per cubic meter in Gwinnett County, Georgia.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Atlanta Gas Light Co near Snellville on Nov 13, 2024. The reported release was natural gas.