Auburn Hills, MI (48321): No EPA Water System
No EPA-registered water system mapped - county-level context only
EPA records for the water systems mapped to 48321 in Auburn Hills, MI do not contain a complete violation count and source window. ZipCheckup does not infer a clean record from missing or partial data.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
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Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 2 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (3) MODERATE
Other Water Quality Reports in Michigan
- 48001 (Algonac) - 2 violations recorded for mapped water systems
- 48002 (Allenton)
- 48003 (Almont) - 2 violations recorded for mapped water systems
- 48004 (Anchorville)
- 48005 (Armada) - 4 violations recorded for mapped water systems
- 48006 (Avoca)
- 48007 (Troy)
- 48009 (Birmingham) - 6 violations recorded for mapped water systems
- 48012 (Birmingham)
- 48014 (Capac) - 6 violations recorded for mapped water systems
- 48015 (Center Line)
- 48017 (Clawson) - 4 violations recorded for mapped water systems
- 48021 (Eastpointe) - 4 violations recorded for mapped water systems
- 48022 (Emmett)
- 48023 (Fair Haven)
- 48025 (Franklin) - 6 violations recorded for mapped water systems
- 48026 (Fraser) - 8 violations recorded for mapped water systems
- 48027 (Goodells)
- 48028 (Harsens Island)
- 48030 (Hazel Park)
Nearby Water Quality Reports
- 48325 (West Bloomfield) - <1 mi
- 48347 (Clarkston) - <1 mi
- 48330 (Drayton Plains) - 2 mi
- 48327 (Waterford) - 2 mi - 5 violations recorded for mapped water systems
- 48329 (Waterford) - 2 mi - 3 violations recorded for mapped water systems
- 48328 (Waterford) - 2 mi - 3 violations recorded for mapped water systems
- 48320 (Keego Harbor) - 4 mi - 5 violations recorded for mapped water systems
- 48387 (Union Lake) - 4 mi
- 48324 (West Bloomfield) - 4 mi - 8 violations recorded for mapped water systems
- 48386 (White Lake) - 5 mi - 5 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). No EPA-registered water system is mapped to ZIP 48321. To look up the system serving a specific address, use the state SDWIS search tool.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
Environmental Hazards (9) MODERATE
Home & Infrastructure (2) OK
Cost & Community (5) OK
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Frequently Asked Questions
Is the tap water in 48321 safe to drink?
No EPA-registered public water system is mapped to ZIP 48321, so there is no federal water quality record to assess. Residents in this area typically rely on private wells or very small systems below EPA reporting thresholds. If you rely on a private well, the CDC recommends testing it at least once a year. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 48321's water come from?
There is no community water system directly registered with the EPA for ZIP 48321. Most residents rely on private wells drawing from groundwater, or are served by a neighboring district that isn't cross-referenced to this ZIP in federal data. Check with your local county health department to confirm your source.
How can I get my water tested in Auburn Hills?
Since no EPA-registered water utility is mapped to ZIP 48321, contact your local county health department or hire a certified lab for independent home water testing. The EPA recommends testing private wells at least once a year.
What is the radon risk for 48321?
48321 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Oakland County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
How to cite this page
ZipCheckup. (2026). Auburn Hills, MI (48321): No EPA Water System. https://zipcheckup.com/report/48321/
@misc{zipcheckup-report-48321,
author = {{ZipCheckup}},
title = {{Auburn Hills, MI (48321): No EPA Water System}},
year = {2026},
url = {https://zipcheckup.com/report/48321/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 48321
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 48325 | West Bloomfield, MI | <1 mi | N/A | 0 |
| 48347 | Clarkston, MI | <1 mi | N/A | 0 |
| 48330 | Drayton Plains, MI | 1.6 mi | N/A | 0 |
| 48327 | Waterford, MI | 1.6 mi | B | 5 |
| 48329 | Waterford, MI | 1.9 mi | B | 3 |
| 48328 | Waterford, MI | 2.0 mi | B | 3 |
| 48320 | Keego Harbor, MI | 4.2 mi | N/A | 5 |
| 48387 | Union Lake, MI | 4.4 mi | N/A | 0 |
| 48324 | West Bloomfield, MI | 4.4 mi | N/A | 8 |
| 48386 | White Lake, MI | 4.6 mi | B | 5 |
Nearby ZIP Code Reports
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