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Review government records associated with Lewisville, North Carolina.
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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 Lewisville, NC from EPA SDWIS.
Winston-Salem, City of
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 388,060 people
Yadkinville, Town of
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 4,196 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 Aug 2024.
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 Lewisville drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
No health-relevant impairment records shown among the assessment records in this report.
Reviewed: source records as of 2026
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Last inspected: Dec 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.
Forsyth County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 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.
Winston-Salem Area
CO · Carbon Monoxide (1971 Standard)
Classification: Moderate <= 12.7ppm
Original designation: Jan 1992
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Clemmons Middle — Winston-Salem, North Carolina
Annual mean: 0.044 Parts per million
Observation year: 2025
Annual mean: 7.5 Micrograms/cubic meter (LC)
Observation year: 2025
Hattie Avenue — Winston-Salem, North Carolina
Annual mean: 0.4 Parts per billion
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
Release reports
Reported: Dec 2021
Data from EPA UST Finder
Sites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
Recently updated active/intermittent sites (1)
Data from MSHA
Forsyth County, NC
EPA Radon Zone Map (June 2024 release)
Forsyth County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 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.
No FEMA flood-zone records shown for this report.
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.
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Forsyth County, North CarolinaPop. 389,157
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 | 8,940 | 8,853 | 7,972 |
| Poor or Fair Health | 16.1% | 14.4% | 14.2% |
| Poor Physical Health Days | 3.5 | 3.3 | 3.3 |
| Poor Mental Health Days | 4.7 | 4.5 | 4.8 |
| Adult Smoking | 16.3% | 15.0% | 15.0% |
| Adult Obesity | 34.9% | 36.4% | 34.0% |
| Air Pollution - Particulate Matter | 9.5 | 7.8 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 11.0% | 11.0% | 9.6% |
| Life Expectancy | 76.7 | 76.6 | 77.6 |
EPA testing found PFAS in water samples from the Town of Yadkinville. Results dated Aug 12, 2024 include PFBS at 0.0031 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 4 violations for the City of Winston-Salem.
EPA drinking water records on this page list 45 violations for the Town of Yadkinville.
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 Lewisville.
The monitoring station at Clemmons Middle, Winston-Salem, North Carolina recorded an annual average of 0.044 Parts per million for ozone in 2025.
The monitoring station at Clemmons Middle, Winston-Salem, North Carolina recorded an annual average of 7.5 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Hattie Avenue, Winston-Salem, North Carolina recorded an annual average of 0.4 Parts per billion for sulfur dioxide in 2025.
The radon data for Lewisville covers Forsyth County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Lewisville reports a life expectancy of 76.7 years in Forsyth County, North Carolina.
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 Lewisville reports 8,940 years of life lost to deaths before age 75 per 100,000 residents in Forsyth County, North Carolina. 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 Lewisville lists fine-particle pollution (PM2.5) at 9.5 micrograms per cubic meter in Forsyth County, North Carolina.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.