Thornton Farms
EPA ID: MI0006594 · 1,188 people served · 2 ZIP codes
Over five tracked years, Thornton Farms has stayed completely violation-free for its 1,188 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 2 (2022) to 2 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Thornton Farms Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Thornton Farms serves a community with a median household income of $118,190 and an estimated 21,238 residents across its service area. Approximately 48% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Thornton Farms'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 Oakland County, Michigan rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Michigan
System Overview
Thornton Farms (EPA ID: MI0006594) is a community water system in Michigan that serves approximately 1,188 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
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
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Thornton Farms (MI0006594) on EPA.gov.
Frequently Asked Questions
Is Thornton Farms water safe to drink?
Based on EPA records, Thornton Farms has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Thornton Farms serve?
Thornton Farms serves approximately 1,188 people across 2 ZIP codes in Michigan.
Where does Thornton Farms 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.