Water Quality in COLUMBUS JUNCTION, IA (52738)

EPA violation data for public water systems serving ZIP code 52738.

82

Total Violations

22

Health-Based

60

Monitoring / Reporting

79

Resolved

What does this mean?

79 of 82 violations have been resolved. 22 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 60 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 14 Population served: 4,247

Violations Detail (82 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
NitrateMonitoringN/AN/AJun 30, 2024ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2024ResolvedN/A
NitrateMonitoringN/AN/AJun 30, 2024ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
NitrateMonitoringN/AN/AJun 30, 2024ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
NitrateMonitoringN/AN/AApr 30, 2024ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(1)

Revised Total Coliform Rule

3A

Aug 31Resolved

2024(18)

Nitrate

03

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Nitrate

03

Jun 30Resolved

Nitrate

03

Jun 30Resolved

Nitrate

03

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Nitrate

03

Apr 30Resolved

Nitrate

03

Apr 30Resolved

Public Notice

75

Mar 28Active

Public Notice

75

Mar 28Active

Public Notice

75

Mar 28Active

Nitrate

01

Feb 29Resolved

Nitrate

01

Feb 29Resolved

Nitrate

01

Feb 29Resolved

How Does This Compare?

COLUMBUS JUNCTION (52738) has 82 recorded violations, including 22 health-based. 3 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

Check Another ZIP Code