Water Quality in IDAHO FALLS, ID (83402)

EPA violation data for public water systems serving ZIP code 83402.

199

Total Violations

39

Health-Based

160

Monitoring / Reporting

161

Resolved

What does this mean?

161 of 199 violations have been resolved. 39 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 160 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: 49 Population served: 8,429

Violations Detail (199 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Public NoticeMonitoringN/AN/ASep 27, 2025ActiveN/A
Public NoticeMonitoringN/AN/ASep 27, 2025ActiveN/A
E. COLIMonitoring0N/ASep 3, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/ASep 1, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AAug 31, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AAug 31, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AAug 31, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJul 24, 2025ActiveN/A

Lead & Copper Levels

Violation Timeline

2025(44)

Public Notice

75

Sep 27Active

Public Notice

75

Sep 27Active

E. COLI

34

Sep 3Active

E. COLI

34

Sep 1Active

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3B

Aug 31Resolved

Revised Total Coliform Rule

1A

Aug 31Resolved

Revised Total Coliform Rule

1A

Aug 31Resolved

Revised Total Coliform Rule

1A

Aug 31Resolved

Revised Total Coliform Rule

2D

Jul 24Active

Revised Total Coliform Rule

2D

Jul 24Active

Revised Total Coliform Rule

2D

Jul 1Active

Revised Total Coliform Rule

2D

Jul 1Active

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Public Notice

75

May 26Active

Public Notice

75

May 26Active

Public Notice

75

May 26Active

Public Notice

75

May 26Active

Public Notice

75

May 26Active

Public Notice

75

May 26Active

Public Notice

75

May 26Active

Public Notice

75

May 26Active

Public Notice

75

May 26Active

Public Notice

75

May 26Active

Lead and Copper Rule

66

Mar 31Resolved

Lead and Copper Rule

66

Mar 31Resolved

Lead and Copper Rule

66

Mar 31Resolved

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Groundwater Rule

45

Mar 15Active

Revised Total Coliform Rule

1A

Jan 31Resolved

Revised Total Coliform Rule

1A

Jan 31Resolved

Revised Total Coliform Rule

1A

Jan 31Resolved

Revised Total Coliform Rule

1A

Jan 31Resolved

2024(37)

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Revised Total Coliform Rule

3B

Oct 31Resolved

Revised Total Coliform Rule

3B

Oct 31Resolved

E. COLI

34

Oct 19Resolved

E. COLI

34

Oct 19Resolved

E. COLI

34

Oct 19Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

Lead and Copper Rule

52

Sep 30Active

Lead and Copper Rule

52

Sep 30Active

Lead and Copper Rule

52

Sep 30Active

Lead and Copper Rule

52

Sep 30Active

Lead and Copper Rule

52

Sep 30Active

Lead and Copper Rule

52

Sep 30Active

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Lead and Copper Rule

66

Mar 30Resolved

Lead and Copper Rule

66

Mar 30Resolved

Lead and Copper Rule

66

Mar 30Resolved

Public Notice

75

Jan 19Resolved

Public Notice

75

Jan 19Resolved

Public Notice

75

Jan 19Resolved

Public Notice

75

Jan 19Resolved

Public Notice

75

Jan 19Resolved

Public Notice

75

Jan 19Resolved

How Does This Compare?

IDAHO FALLS (83402) has 199 recorded violations, including 39 health-based. 38 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

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

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

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

Nearby ZIP Codes

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