Bahia Bay S/d
EPA ID: NC0160203 · 350 people served · 1 ZIP code
In the current EPA monitoring period, Bahia Bay S/d has 1 violation still listed as unresolved, with the utility supplying water to approximately 350 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Bahia Bay S/d Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The Bahia Bay S/d serves a community with a median household income of $115,746 and an estimated 31,021 residents across its service area.
💧 Where Does Your Water Come From?
Bahia Bay 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 1% of homes in Mecklenburg 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 Bahia Bay S/d compares to EPA limits
What This Means For You
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 2 detections recorded.
Total Trihalomethanes (TTHM) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
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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
Bahia Bay S/d (EPA ID: NC0160203) is a community water system in North Carolina that serves approximately 350 people from groundwater sources.
This system serves ZIP code 28031 in Cornelius.
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
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 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 |
|---|---|---|---|
| 28031 | 0.003 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: 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.
- 28031 — Cornelius
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Bahia Bay S/d (NC0160203) on EPA.gov.
Frequently Asked Questions
Is Bahia Bay S/d water safe to drink?
Bahia Bay S/d has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Bahia Bay S/d serve?
Bahia Bay S/d serves approximately 350 people across 1 ZIP code in North Carolina.
Where does Bahia Bay 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.
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
Bahia Bay S/d (EPA ID: NC0160203) — request the latest Consumer Confidence Report or ask about specific contaminants.