Upper Calhoun/sandy Run (sc0920002)
EPA ID: SC0920002 · 1,247 people served · 1 ZIP code
Although compliance varies widely among water utilities nationally, Upper Calhoun/sandy Run (sc0920002) stands out with zero EPA violations over five consecutive monitoring years, delivering safe tap water to 1,247 residents and showing no enforcement activity across the entire reporting span.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Upper Calhoun/sandy Run (sc0920002) Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Upper Calhoun/sandy Run (sc0920002) serves a community with a median household income of $54,141 and an estimated 20,818 residents across its service area.
💧 Where Does Your Water Come From?
Upper Calhoun/sandy Run (sc0920002)'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 Lexington County, South Carolina rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 5 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS). 2 exceed state limits.
Comparable Water Systems
Similar-sized systems in South 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
Upper Calhoun/sandy Run (sc0920002) (EPA ID: SC0920002) is a community water system in South Carolina that serves approximately 1,247 people from groundwater sources.
This system serves ZIP code 29053 in Gaston.
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
- 29053 — Gaston
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Upper Calhoun/sandy Run (sc0920002) (SC0920002) on EPA.gov.
Frequently Asked Questions
Is Upper Calhoun/sandy Run (sc0920002) water safe to drink?
Based on EPA records, Upper Calhoun/sandy Run (sc0920002) has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Upper Calhoun/sandy Run (sc0920002) serve?
Upper Calhoun/sandy Run (sc0920002) serves approximately 1,247 people across 1 ZIP code in South Carolina.
Where does Upper Calhoun/sandy Run (sc0920002) 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.