ZipCheckup grade for 48363: B.

This ZIP has a few items worth a quick check.

Water Quality Report
B 83

Oakland, MI (48363) Home Safety: 83/100

EPA data combined for 7 water systems mapped to this ZIP (largest mapped system: Southwest Oakland Township)

0 recorded EPA violations (2021-2026)

EPA records for the water systems mapped to 48363 in Oakland, MI contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score
B 83/100
Water Quality No violations
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2025-12-31
NFIP Claim History N/A
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water No drinking-water violations in EPA records since 2021.
  • Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
Contaminant Summary
Evidence unavailable
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
B
ZIP-level Home Safety model score: 83 / 100
Home Safety Score higher than 67% of ZIP codes nationwide
7
Water Systems
4,943
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
Zone 2
County Radon Potential · Moderate
$568K
Median Home Value217% above state median ($179K)

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 48363. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

Share Your Area Home Safety Score
Share on X Share on Facebook

Tip: You can also screenshot the card above to share it as an image.

See incorrect data? Let us know

Score Breakdown

Overall Home Safety Score: 83/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
100/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
100/100
Indoor environment
50/100
Outdoor environment
100/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (6) MODERATE

Your Water System

ZIP code 48363 in Oakland, Michigan is mapped to the water system Southwest Oakland Township (EPA ID: MI0004878). This system provides water to approximately 4,943 people from groundwater sources.

There are 7 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Southwest Oakland Township MI0004878 4,943 Groundwater
Oakland Hunt Subdivision MI0005573 671 Groundwater
Southeast Oakland Township MI0004877 1,923 Groundwater
Wynstone Subdivision MI0007217 1,146 Groundwater
Twin Lakes Subdivision MI0006696 602 Groundwater

Other Water Quality Reports in Michigan

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Southwest Oakland Township (MI0004878) on EPA.gov.

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.

📊 EPA Safe Drinking Water · View source →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 48363 show no PFAS detections among the compounds tested, at the program's reporting levels.

The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.

📊 EPA UCMR5 · View source →
Environmental Hazards (10) MODERATE
Home & Infrastructure (6) OK
Cost & Community (7) OK

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Frequently Asked Questions

Is the tap water in 48363 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 48363 (primary system: Southwest Oakland Township), including 0 health-based. The violation table above shows which system each record belongs to. 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 48363's water come from?

The recorded water source for Southwest Oakland Township, a system mapped to ZIP code 48363, is Groundwater. This system serves approximately 4,943 people.

How does Oakland water compare to the national average?

Oakland's Home Safety Score ranks better than 67% of U.S. ZIP codes, and lower than 61% of ZIP codes within Michigan.

How can I get my water tested in Oakland?

If Southwest Oakland Township supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

What is the radon risk for 48363?

48363 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

APA ZipCheckup. (2026). Oakland, MI (48363) Home Safety: 83/100. https://zipcheckup.com/report/48363/
BibTeX 
@misc{zipcheckup-report-48363,
  author = {{ZipCheckup}},
  title  = {{Oakland, MI (48363) Home Safety: 83/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/48363/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 48363

ZIP Code City, State Distance Grade Violations
48306 Rochester, MI 3.3 mi B 0
48366 Lakeville, MI 3.5 mi N/A 0
48361 Lake Orion, MI 3.6 mi N/A 0
48370 Oxford, MI 4.0 mi N/A 0
48367 Leonard, MI 5.1 mi N/A 1
48362 Lake Orion, MI 5.3 mi B 7
48360 Lake Orion, MI 5.5 mi B 9
48359 Lake Orion, MI 6.4 mi B 9
48371 Oxford, MI 6.6 mi C 69
48308 Rochester, MI 6.7 mi N/A 0

Overall safety breakdown

Home Safety Score →

Find the right water filter

Water Filter Matcher →

Compare filters, tests & services

Compare My Options →

Compare with another ZIP

Compare Tool →
Coverage: 13/17 risk factors Data sources →
Get alerts for 48363