Walnut Tree S/d
EPA ID: NC0286150 · 112 people served · 1 ZIP code
For the full five-year period covered by EPA monitoring, Walnut Tree S/d has supplied tap water to 112 residents with no violations of any type on record.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Walnut Tree S/d Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Walnut Tree S/d serves a community with a median household income of $47,213 and an estimated 36,350 residents across its service area. Approximately 63% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 41% 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?
Walnut Tree S/d'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 0% of homes in Surry 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
Comparable Water Systems
Similar-sized systems in North Carolina
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
Walnut Tree S/d (EPA ID: NC0286150) is a community water system in North Carolina that serves approximately 112 people from groundwater sources.
This system serves ZIP code 27030 in Mount Airy.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by NC or modeled from parcel and building-footprint data.
- 27030 — Mount Airy
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Walnut Tree S/d (NC0286150) on EPA.gov.
Frequently Asked Questions
Is Walnut Tree S/d water safe to drink?
Based on EPA records, Walnut Tree S/d has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Walnut Tree S/d serve?
Walnut Tree S/d serves approximately 112 people across 1 ZIP code in North Carolina.
Where does Walnut Tree S/d 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:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
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.