Dorr-leighton
EPA ID: MI0001845 · 500 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Dorr-leighton (MI0001845): no drinking-water violations recorded since 2021. Federal monitoring records show zero violations at Dorr-leighton for the reporting cycles they cover, at a utility serving approximately 500 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Dorr-leighton Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Dorr-leighton have a median household income of $97,230 and about 50,332 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 41% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Dorr-leighton'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
Dorr-leighton (EPA ID: MI0001845) is a community water system in Michigan that serves approximately 500 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0012 mg/L | No | 2023-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 3 ZIP records with known zones is in EPA Radon Zone 2. 2 of 3 ZIP records with known zones are in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Dorr-leighton (MI0001845) on EPA.gov.
Frequently Asked Questions
Is Dorr-leighton water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Dorr-leighton 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 Dorr-leighton serve?
Dorr-leighton serves approximately 500 people across 3 ZIP codes in Michigan.
Where does Dorr-leighton get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Dorr-leighton Water Quality Report, MI. https://zipcheckup.com/water-system/mi0001845/
@misc{zipcheckup-water-system-mi0001845,
author = {{ZipCheckup}},
title = {{Dorr-leighton Water Quality Report, MI}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mi0001845/}
}