Water Quality in Ames, IA (50239)

EPA violation data for public water systems serving ZIP code 50239.

No Health-Based Violations

None of the 5 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 36% of US ZIP codes.

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

354

Population

5

Water Systems

2

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (5)

Ames Water Treatment Plant

All resolved
Groundwater 55,177 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓

Isu

All resolved
Purchased groundwater 42,000 people served
1 violation (5yr) · All resolved
Lead tested: 1.2 ppb (limit: 15 ppb) ✓

Ia Regional Utilities Assoc (Waverly)

Groundwater 37,820 people served
0 violations
Lead tested: 1.5 ppb (limit: 15 ppb) ✓

Marshalltown Water Works

Groundwater 27,591 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓

St Anthony Water System

Purchased groundwater 109 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Ames (50239) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, most of which are monitoring/reporting issues.

Fewer violations 36th 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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