Au Sable Township
EPA ID: MI0000290 · 2,370 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Au Sable Township (MI0000290): no drinking-water violations recorded since 2021. Water monitoring history at Au Sable Township, as reported to the EPA, contains no recorded violations; 2,370 residents are counted in its service population.
Data: EPA SDWIS
Service Area Map
Coverage area for Au Sable Township Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Au Sable Township have a median household income of $42,260 and about 9,281 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 78% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 89% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
🌊 Where Does Your Water Come From?
Au Sable Township'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 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Michigan
System Overview
Au Sable Township (EPA ID: MI0000290) is a community water system in Michigan that serves approximately 2,370 people from surface water sources.
This system serves ZIP code 48750 in Oscoda.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.002 mg/L | No | 2022-12-31 |
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.
- 48750 - Oscoda
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Au Sable Township (MI0000290) on EPA.gov.
Frequently Asked Questions
Is Au Sable Township water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Au Sable 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 Au Sable Township serve?
Au Sable Township serves approximately 2,370 people across 1 ZIP code in Michigan.
Where does Au Sable Township get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Au Sable Township Water Quality Report, MI. https://zipcheckup.com/water-system/mi0000290/
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title = {{Au Sable Township Water Quality Report, MI}},
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url = {https://zipcheckup.com/water-system/mi0000290/}
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