Middlesex Water System
EPA ID: NC0464050 · 1,389 people served · 46 ZIP codes
Unlike fully compliant utilities, Middlesex Water System has 5 outstanding EPA violations for approximately 1,389 residents.
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 2 (2022) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Middlesex Water System Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The Middlesex Water System serves a community with a median household income of $81,862 and an estimated 597,865 residents across its service area.
💧 Where Does Your Water Come From?
Middlesex Water System's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 1% of homes in Nash 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 Middlesex Water System compares to EPA limits
What This Means For You
Total Trihalomethanes (TTHM) at 2 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Lead and Copper Rule at 5 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 3 presence exceeds the EPA maximum of presence.
Contaminant 2946 at 2 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 2 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. 92 detections recorded. 20 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Total Trihalomethanes (TTHM) was detected in this water system. granular activated carbon (GAC) 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
Middlesex Water System (EPA ID: NC0464050) is a community water system in North Carolina that serves approximately 1,389 people from groundwater sources.
This system provides water to 46 ZIP codes across 3 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 |
|---|---|---|---|
| August 20, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| January 1, 2025 | Contaminant 2959 | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 11, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| September 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| September 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| January 1, 2024 | Total Trihalomethanes (TTHM) | Monitoring | Resolved |
| January 1, 2024 | Revised Total Coliform Rule | Monitoring | Unresolved |
| October 1, 2023 | Revised Total Coliform Rule | Monitoring | Unresolved |
| August 26, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| July 23, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| May 19, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| April 1, 2023 | Contaminant 2946 | Health-based | Unresolved |
| January 1, 2023 | Stage 1 DBP Rule | Monitoring | Resolved |
| January 1, 2023 | Contaminant 2946 | Health-based | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Treatment Failure | 5 | No |
| Revised Total Coliform Rule | Microbiological | 3 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | No |
| Contaminant 2946 | Other Violation | 2 | Yes |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Consumer Confidence Report Rule | Reporting Failure | 2 | No |
| Contaminant 2959 | Other Violation | 1 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Surface Water Treatment Rule | Treatment Failure | 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 |
|---|---|---|---|
| 27557 | 0.004 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: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 44 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 46 ZIP codes:
27557 · 27597 · 27601 · 27602 · 27603 27604 · 27605 · 27606 · 27607 · 27608 27609 · 27610 · 27611 · 27612 · 27613 27614 · 27615 · 27616 · 27617 · 27619 27620 · 27621 · 27622 · 27623 · 27624 27625 · 27626 · 27627 · 27628 · 27629 27634 · 27635 · 27636 · 27640 · 27650 27656 · 27658 · 27661 · 27668 · 27675 27676 · 27690 · 27695 · 27697 · 27698 27699
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Middlesex Water System (NC0464050) on EPA.gov.
Frequently Asked Questions
Is Middlesex Water System water safe to drink?
Middlesex Water System has recorded 3 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 Middlesex Water System serve?
Middlesex Water System serves approximately 1,389 people across 46 ZIP codes in North Carolina.
Where does Middlesex Water System get its water?
The primary water source is groundwater.
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.
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
Middlesex Water System (EPA ID: NC0464050) — request the latest Consumer Confidence Report or ask about specific contaminants.