Water Quality in Warren, MI (48047)

EPA violation data for public water systems serving ZIP code 48047.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 13 monitoring/reporting violations.

More violations than 72% of US ZIP codes.

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

40,302

Population

16

Water Systems

14

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (16)

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)

New Baltimore, City Of

1 health-based
Surface water 12,720 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Winding River Campground

All resolved
Groundwater 150 people served
2 violations (5yr) · All resolved

Browns Landing

Groundwater 100 people served
0 violations

Car Country

Groundwater 30 people served
0 violations

Crystal Springs

Groundwater 25 people served
0 violations

Idle Hour Club - River System

Groundwater 25 people served
0 violations

Rebel Jack

Groundwater 25 people served
0 violations

Cedar Glen

Groundwater 25 people served
0 violations

Contaminants Found

CARBON, TOTALHealth-Based
1 violation
All resolved
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.

2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

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 (48047) has more violations than 72% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14.

Fewer violations 72th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Whole House Carbon Filter

A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.

Targets:Chlorine, Sediment, Taste & Odor

Look for:NSF/ANSI 42 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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