Water Quality in Marietta, GA (30157)

EPA violation data for public water systems serving ZIP code 30157.

No Health-Based Violations

None of the 5 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are3 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 43% of US ZIP codes.

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

53,445

Population

5

Water Systems

3

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (5)

Cobb County

Purchased surface water 695,000 people served
0 violations

Paulding County Water System

Surface water 117,468 people served
0 violations
Lead tested: 1.6 ppb (limit: 15 ppb)

Marietta Board Of Lights And Water

Purchased surface water 60,100 people served
0 violations

Smyrna

Purchased surface water 40,508 people served
0 violations

South Oaks Mobile Home Park

All resolved
Groundwater 471 people served
3 violations (5yr) · All resolved

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.6 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Marietta (30157) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3, most of which are monitoring/reporting issues.

Fewer violations 43th 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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