Stone Ridge
EPA ID: MI0006423 · 367 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Stone Ridge (MI0006423): 5 EPA violations in the last five years. Records for Stone Ridge show 5 violations over the monitored period, with every finding addressed and officially closed - the provider, which serves approximately 367 people, carries no outstanding enforcement actions in the current EPA dataset and meets all applicable drinking water requirements.
Data: EPA SDWIS
Service Area Map
Coverage area for Stone Ridge Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Stone Ridge serves a community with a median household income of $130,781 and an estimated 37,303 residents across its service area.
💧 Where Does Your Water Come From?
Stone Ridge'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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Stone Ridge compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 1 presence exceeds the EPA maximum of presence.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
Comparable Water Systems
Similar-sized systems in Michigan
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
Stone Ridge (EPA ID: MI0006423) is a community water system in Michigan that serves approximately 367 people from groundwater sources.
This system serves ZIP code 48178 in South Lyon.
Violation History
Status breakdown for accepted records with record years 2021-2026: 5 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 |
|---|---|---|---|
| August 1, 2025 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| August 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2024 | Surface Water Treatment Rule | Non-health-based | Resolved |
| January 1, 2023 | Barium | Non-health-based | Resolved |
| July 1, 2021 | Surface Water Treatment 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 |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Barium | Inorganic | 1 | No |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.003 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 MI or modeled from parcel and building-footprint data.
- 48178 - South Lyon
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Stone Ridge (MI0006423) on EPA.gov.
Frequently Asked Questions
Is Stone Ridge water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Stone Ridge; its 5 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Stone Ridge serve?
Stone Ridge serves approximately 367 people across 1 ZIP code in Michigan.
Where does Stone Ridge get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Stone Ridge (MI): 5 EPA Violations. https://zipcheckup.com/water-system/mi0006423/
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title = {{Stone Ridge (MI): 5 EPA Violations}},
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url = {https://zipcheckup.com/water-system/mi0006423/}
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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
Stone Ridge (EPA ID: MI0006423) - request the latest Consumer Confidence Report or ask about specific contaminants.