Water Quality in Warren, MI (48051)

EPA violation data for public water systems serving ZIP code 48051.

No Health-Based Violations

None of the 18 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are11 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 67% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

17,922

Population

18

Water Systems

11

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (18)

Warren, City Of

Purchased surface water 134,056 people served
0 violations
Lead tested: 2.7 ppb (limit: 15 ppb)

Sterling Heights, City Of

Purchased surface water 127,000 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Clinton Township

All resolved
Purchased surface water 100,513 people served
4 violations (5yr) · All resolved
Lead tested: 1.2 ppb (limit: 15 ppb)

Macomb Township

All resolved
Purchased surface water 90,000 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Shelby Township

Purchased surface water 72,000 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

St. Clair Shores, City Of

All resolved
Purchased surface water 59,715 people served
4 violations (5yr) · All resolved
Lead tested: 1.1 ppb (limit: 15 ppb)

Roseville, City Of

Purchased surface water 47,299 people served
0 violations
Lead tested: 8.98 ppb (limit: 15 ppb)

Chesterfield Township

All resolved
Purchased surface water 41,650 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Oxford Area Community Jr High

Groundwater 1,251 people served
0 violations

Reveres Food

Groundwater 750 people served
0 violations

Oxford Big Boy

Groundwater 300 people served
0 violations

Mount Grampion Ski Resort

Groundwater 254 people served
0 violations

Professional Building

Groundwater 251 people served
0 violations

Island Lake Inn

Groundwater 50 people served
0 violations

Nuggett

Groundwater 40 people served
0 violations

Thompson Oil Co

Groundwater 35 people served
0 violations

Adelphia

Groundwater 25 people served
0 violations

Briggs Industries, Inc

Groundwater 25 people served
0 violations

Contaminants Found

TTHMMonitoring
5 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
4 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2.7 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Warren (48051) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11, most of which are monitoring/reporting issues.

Fewer violations 67th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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