A
100

US Water Score: A

Highland, MI 48357

Oakland County · Population served: 3,837 · Data updated July 2026

Service-area evidence: EPA service-area records associate the listed system with this ZIP. Boundaries may still overlap or change.

Water Systems Serving This Area

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HIGHLAND TOWNSHIP
Groundwater · Pop. 3,837
PWSID: MI0003312

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
0.0
15 ppb 1 ppb Passed

Water Quality Summary

Understanding Your Water in Highland

Tap water quality in Highland, Michigan (48357) receives an overall grade of A (Lower record-based concern) with a score of 100 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 12 points above the Michigan state average of 88. Compared to the national average (75), this area performs significantly better. The area is served by Highland Township, a groundwater system providing water to approximately 3,837 people. The area has a clean violation record over the past 5 years — a positive indicator of consistent water quality management.

Your Score 100/100 A
vs State 12 pts above Michigan avg (88)
vs National 25 pts above national avg (75)

What a Grade A Means

A score of 100/100 means public water-system records for Highland, MI show relatively few concerns in the US Water Score model. This is an internal score, not an EPA safety rating, and it does not guarantee conditions at any specific tap.

Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

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Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Based on public water-system records, Highland, Michigan receives an internal US Water Score grade of A (Lower record-based concern) with a score of 100/100. This indicates relatively few system-level concerns in our model, but it is not an EPA safety rating and does not guarantee tap conditions inside individual homes.

ZIP code 48357 is served by 1 water system using groundwater sources, providing water to approximately 3,837 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

Lead levels in Highland, Michigan are 0.0 ppb, which is at or below the health guideline of 1 ppb. This is a positive result, though periodic testing is still recommended.

No PFAS ("forever chemicals") were detected in water systems serving Highland, Michigan during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Highland, Michigan have zero violations in the last 5 years. This is a positive indicator of consistent regulatory compliance and water quality management.

Water in Highland, Michigan shows no major contaminant concerns based on available data. A basic carbon filter can improve taste and reduce chlorine. For extra peace of mind, an NSF-certified pitcher filter or faucet-mount filter provides an affordable layer of protection.

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