Water Quality in ROLLA, MO (65402)

EPA violation data for public water systems serving ZIP code 65402.

119

Total Violations

4

Health-Based

115

Monitoring / Reporting

117

Resolved

What does this mean?

117 of 119 violations have been resolved. 4 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 115 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: 5 Population served: 560

Violations Detail (119 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/AAug 31, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AAug 31, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/ADec 31, 2024ResolvedN/A

Violation Timeline

2025(9)

E. COLI

34

Aug 31Active

E. COLI

34

Aug 31Active

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

2024(10)

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Public Notice

75

Apr 14Resolved

How Does This Compare?

ROLLA (65402) has 119 recorded violations, including 4 health-based. 2 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.

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