Oak Hill Estates Water System
EPA ID: VT0020867 · 52 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Oak Hill Estates Water System (VT0020867): 2 EPA violations in the last five years. Despite the 2 historical violations in its record, Oak Hill Estates Water System has cleared every one and now meets EPA standards serving 52 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Oak Hill Estates Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Oak Hill Estates Water System serves a community with a median household income of $105,768 and an estimated 10,984 residents across its service area. Approximately 43% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Oak Hill Estates Water System'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.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Oak Hill Estates Water System compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Vermont
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
Oak Hill Estates Water System (EPA ID: VT0020867) is a community water system in Vermont that serves approximately 52 people from surface water sources.
This system serves ZIP code 05495 in Williston.
Violation History
Status breakdown for accepted records with record years 2021-2026: 2 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2024 | Surface Water Treatment Rule | Non-health-based | Resolved |
| January 1, 2021 | Stage 1 DBP Rule | Non-health-based | 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 | 1 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.001 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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 VT or modeled from parcel and building-footprint data.
- 05495 - Williston
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Oak Hill Estates Water System (VT0020867) on EPA.gov.
Frequently Asked Questions
Is Oak Hill Estates Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Oak Hill Estates Water System; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Oak Hill Estates Water System serve?
Oak Hill Estates Water System serves approximately 52 people across 1 ZIP code in Vermont.
Where does Oak Hill Estates Water System get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Oak Hill Estates Water System (VT): 2 EPA Violations. https://zipcheckup.com/water-system/vt0020867/
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title = {{Oak Hill Estates Water System (VT): 2 EPA Violations}},
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url = {https://zipcheckup.com/water-system/vt0020867/}
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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
Oak Hill Estates Water System (EPA ID: VT0020867) - request the latest Consumer Confidence Report or ask about specific contaminants.