Sylvan Township
EPA ID: MI0006531 · 263 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Sylvan Township (MI0006531): no drinking-water violations recorded since 2021. Federal SDWIS data returns no violation records for Sylvan Township, the supplier serving 263 residents - a statement about the EPA file rather than a measurement of contaminant levels in the water.
Data: EPA SDWIS
Service Area Map
Coverage area for Sylvan Township Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Sylvan Township have a median household income of $87,934 and about 13,088 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 57% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Sylvan Township's water is classified in EPA records as a groundwater source. 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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Michigan
System Overview
Sylvan Township (EPA ID: MI0006531) is a community water system in Michigan that serves approximately 263 people from groundwater sources.
This system serves ZIP code 48118 in Chelsea.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2024-12-31 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 48118 - Chelsea
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Sylvan Township (MI0006531) on EPA.gov.
Frequently Asked Questions
Is Sylvan Township water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Sylvan Township in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Sylvan Township serve?
Sylvan Township serves approximately 263 people across 1 ZIP code in Michigan.
Where does Sylvan Township get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Sylvan Township Water Quality Report, MI. https://zipcheckup.com/water-system/mi0006531/
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