B
72

Good Water Quality

Coloma, MI 49038

Berrien County · Population served: 12,243 · Data updated March 2026

Water Systems Serving This Area

🌊
COLOMA
Groundwater · Pop. 1,555
PWSID: MI0001530
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COLOMA TOWNSHIP
Groundwater · Pop. 1,425
PWSID: MI0001535
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AUTUMN HILLS
Groundwater · Pop. 50
PWSID: MI0001910
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LAKE MICHIGAN BEACH RESORT POTTAWATTAMIE
Groundwater · Pop. 80
PWSID: MI0005549
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SOUTH HAVEN AREA WATER & SEWER AUTHORITY
Surface water · Pop. 9,133
PWSID: MI0006101

Violation History (Last 5 Years)

20Total (5yr)
0Health-Based
15Major

Water Quality Summary

Understanding Your Water in Coloma

Tap water quality in Coloma, Michigan (49038) receives an overall grade of B (Good) with a score of 72 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 6 points below the Michigan state average of 78. The area is served by 5 water systems providing water to approximately 12,243 people, using surface water and groundwater sources. The area has 20 violations over the past 5 years, though none were classified as health-based.

Your Score 72/100 B
vs State 6 pts below Michigan avg (78)
vs National 3 pts below national avg (75)

What a Grade B Means

A score of 72/100 means the water in Coloma, MI is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Coloma, Michigan receives a grade of B (Good) with a score of 72/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 49038 is served by 5 water systems using surface water, groundwater sources, providing water to approximately 12,243 people. Multiple source types mean your water may come from a blend of surface and underground sources.

No lead data is currently available for ZIP code 49038. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

No PFAS ("forever chemicals") were detected in water systems serving Coloma, 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 Coloma, Michigan have received 20 violations in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Water in Coloma, 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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