City of Greensboro
EPA ID: NC0241010 · 319,588 people served · 44 ZIP codes
City of Greensboro shows 16 open EPA violations in current federal records for approximately 319,588 people.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 5 (2021) to 7 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for City of Greensboro Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The City of Greensboro serves a community with a median household income of $78,500 and an estimated 600,798 residents across its service area. Approximately 48% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 36% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
🌊 Where Does Your Water Come From?
City of Greensboro's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Guilford County, North Carolina rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How City of Greensboro compares to EPA limits
What This Means For You
Benzene at 1 mg/L exceeds the EPA maximum of 0.005 mg/L.
Lead at 2 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Total Trihalomethanes (TTHM) at 3 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Stage 1 DBP Rule at 8 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 8 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 132 detections recorded. 42 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
City of Greensboro, (EPA ID: NC0241010) is a community water system in North Carolina that serves approximately 319,588 people from surface water sources.
This system provides water to 44 ZIP codes across 16 communities.
Average Home Safety Score: A (88/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| September 21, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| August 15, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| July 1, 2025 | Surface Water Treatment Rule | Monitoring | Unresolved |
| May 11, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| January 11, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| January 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| December 13, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| December 5, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| September 27, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| September 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| September 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| June 26, 2024 | Total Coliform | Monitoring | Unresolved |
| February 24, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| February 23, 2024 | Lead and Copper Rule | Monitoring | Unresolved |
| January 1, 2024 | Lead | Monitoring | Resolved |
| January 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 8 | No |
| Surface Water Treatment Rule | Treatment Failure | 8 | No |
| Lead and Copper Rule | Treatment Failure | 8 | No |
| Consumer Confidence Report Rule | Reporting Failure | 7 | No |
| Revised Total Coliform Rule | Microbiological | 7 | No |
| Stage 2 DBP Rule | Treatment Failure | 4 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 3 | No |
| Lead | Inorganic | 2 | No |
| Benzene | Organic | 1 | No |
| Total Organic Carbon | Disinfection Byproducts | 1 | No |
| Total Coliform | Microbiological | 1 | No |
| Fecal Coliform | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 27214 | 0.00345 mg/L | No | N/A |
| 27395 | 0.002 mg/L | No | N/A |
| 27401 | 0.002 mg/L | No | N/A |
| 27402 | 0.002 mg/L | No | N/A |
| 27403 | 0.002 mg/L | No | N/A |
| 27404 | 0.002 mg/L | No | N/A |
| 27405 | 0.002 mg/L | No | N/A |
| 27406 | 0.002 mg/L | No | N/A |
| 27407 | 0.002 mg/L | No | N/A |
| 27408 | 0.002 mg/L | No | N/A |
| 27409 | 0.002 mg/L | No | N/A |
| 27410 | 0.002 mg/L | No | N/A |
| 27411 | 0.002 mg/L | No | N/A |
| 27412 | 0.002 mg/L | No | N/A |
| 27413 | 0.002 mg/L | No | N/A |
| 27415 | 0.002 mg/L | No | N/A |
| 27416 | 0.002 mg/L | No | N/A |
| 27417 | 0.002 mg/L | No | N/A |
| 27419 | 0.002 mg/L | No | N/A |
| 27420 | 0.002 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: 26 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 18 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
This system serves 44 ZIP codes:
27214 · 27215 · 27235 · 27249 · 27265 27282 · 27283 · 27284 · 27298 · 27301 27310 · 27313 · 27342 · 27358 · 27377 27395 · 27401 · 27402 · 27403 · 27404 27405 · 27406 · 27407 · 27408 · 27409 27410 · 27411 · 27412 · 27413 · 27415 27416 · 27417 · 27419 · 27420 · 27425 27427 · 27429 · 27435 · 27438 · 27455 27495 · 27497 · 27498 · 27499
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Greensboro (NC0241010) on EPA.gov.
Frequently Asked Questions
Is City of Greensboro water safe to drink?
City of Greensboro has recorded 2 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does City of Greensboro serve?
City of Greensboro serves approximately 319,588 people across 44 ZIP codes in North Carolina.
Where does City of Greensboro get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Above Current MCL
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). One or more PFAS compounds were measured above the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
City of Greensboro (EPA ID: NC0241010) — request the latest Consumer Confidence Report or ask about specific contaminants.