Water Quality Report

Greensboro, NC (27411): 2 Violations Recorded for Mapped Water Systems

EPA data for City of Greensboro

PFAS Detected

EPA records for the water systems mapped to 27411 in Greensboro, NC contain 2 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources

Latest air quality, EPA records and weather alerts Current data temporarily unavailable

Current EPA violation data unavailable

Safety Score N/A

Water Quality PFAS above MCL 2 non-health-based violation records in EPA data

Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2025-12-31

NFIP Claim History N/A

Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

Water EPA records for water systems mapped to this ZIP show 2 violations (non-health) (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 At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.

Contaminant Summary

Violations on record (not health-based)

2 violations PFAS detected

Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record

Water System

319,588

People Served

Health Violations (since 2021)

Surface water

Water Source

Zone 3

County Radon Potential · Low

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 27411. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

See incorrect data? Let us know

Greensboro (27411): one critical alert.

PFAS Above an EPA MCL Value (MCL Compliance Required From 2029) CRITICAL

PFAS ("forever chemicals") reported by a water system mapped to this ZIP; highest reported result above an EPA MCL value - PFOS 0.0356 µg/L detected. Many PFAS break down slowly in the environment, and some can accumulate in the body.

What to do: Install a reverse osmosis or activated carbon block filter rated for PFAS removal (NSF/ANSI 53 or 58). See PFAS Contamination below ↓ ↓

Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance

96/100

Observed

PFAS MCL screen

Unknown

Evidence missing

EPA radon zone

100/100

Observed

Annual EPA AirData AQI

100/100

Observed

Required domains

Drinking water

Unknown

Indoor environment

100/100

Outdoor environment

100/100

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) HIGH

Your Water System

ZIP code 27411 in Greensboro, North Carolina is mapped to the water system City of Greensboro (EPA ID: NC0241010). This system provides water to approximately 319,588 people from surface water sources.

Other Water Quality Reports in North Carolina

27006 (Advance) - 9 violations recorded for mapped water systems
27007 (Ararat)
27009 (Belews Creek) - 1 violation recorded for mapped water systems
27010 (Bethania)
27011 (Boonville) - 25 violations recorded for mapped water systems
27012 (Clemmons) - 3 violations recorded for mapped water systems
27013 (Cleveland) - 7 violations recorded for mapped water systems
27014 (Cooleemee) - 9 violations recorded for mapped water systems
27016 (Danbury)
27017 (Dobson) - 5 violations recorded for mapped water systems
27018 (East Bend) - 3 violations recorded for mapped water systems
27019 (Germanton) - 98 violations recorded for mapped water systems
27020 (Hamptonville) - 6 violations recorded for mapped water systems
27021 (King) - 5 violations recorded for mapped water systems
27022 (Lawsonville)
27023 (Lewisville) - 1 violation recorded for mapped water systems
27024 (Lowgap)
27025 (Madison) - 21 violations recorded for mapped water systems
27027 (Mayodan) - 5 violations recorded for mapped water systems
27028 (Mocksville) - 15 violations recorded for mapped water systems

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Greensboro (NC0241010) on EPA.gov.

5 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.

📊 EPA Safe Drinking Water · View source →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 27411. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.

Detected compounds: PFOS, PFHxS, PFHxA, PFBA, PFPeA, 6:2 FTS, PFOA, PFBS, PFHpA.

Highest measured level: 0.0356 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.

Learn about PFAS risks → Find a PFAS filter →

📊 EPA UCMR5 · View source →

Environmental Hazards (9) MODERATE

Home & Infrastructure (3) OK

Cost & Community (6) OK

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Frequently Asked Questions

Is the tap water in 27411 safe to drink?

EPA SDWIS records 2 violations since 2021 across the water systems mapped to ZIP 27411 (primary system: City of Greensboro), 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 27411's water come from?

The recorded water source for City of Greensboro, a system mapped to ZIP code 27411, is Surface water. This system serves approximately 319,588 people.

How can I get my water tested in Greensboro?

If City of Greensboro 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 27411?

27411 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Guilford 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 27411's water?

Yes, PFAS have been detected in samples from water systems mapped to 27411. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

How to cite this page

APA

ZipCheckup. (2026). Greensboro, NC (27411): 2 Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/27411/

BibTeX

@misc{zipcheckup-report-27411,
  author = {{ZipCheckup}},
  title  = {{Greensboro, NC (27411): 2 Violations Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/27411/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 27411

ZIP Code	City, State	Distance	Grade
27402	Greensboro, NC	<1 mi	N/A
27404	Greensboro, NC	<1 mi	N/A
27413	Greensboro, NC	<1 mi	N/A
27415	Greensboro, NC	<1 mi	N/A
27416	Greensboro, NC	<1 mi	N/A
27417	Greensboro, NC	<1 mi	N/A
27419	Greensboro, NC	<1 mi	N/A
27425	Greensboro, NC	<1 mi	N/A
27427	Greensboro, NC	<1 mi	N/A
27429	Greensboro, NC	<1 mi	N/A