Water Quality in BOISE, ID (83702)

EPA violation data for public water systems serving ZIP code 83702.

360

Total Violations

11

Health-Based

349

Monitoring / Reporting

358

Resolved

What does this mean?

358 of 360 violations have been resolved. 11 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 349 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: 54 Population served: 9,058

Violations Detail (360 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/AAug 31, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AAug 31, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AAug 31, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
E. COLIMonitoring0N/AJul 31, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 31, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 31, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(22)

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

E. COLI

19

Jul 31Resolved

E. COLI

19

Jul 31Resolved

E. COLI

19

Jul 31Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

E. COLI

19

May 31Resolved

E. COLI

19

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

E. COLI

19

May 31Resolved

E. COLI

19

May 31Resolved

E. COLI

19

May 31Resolved

E. COLI

19

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Apr 30Resolved

2024(48)

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Surface Water Treatment Rule

36

Sep 30Resolved

Surface Water Treatment Rule

36

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

E. COLI

19

Sep 30Resolved

E. COLI

19

Sep 30Resolved

E. COLI

19

Sep 30Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

E. COLI

19

Aug 31Resolved

Revised Total Coliform Rule

3B

Jul 31Resolved

Revised Total Coliform Rule

3B

Jul 31Resolved

Revised Total Coliform Rule

3B

Jul 31Resolved

E. COLI

19

Jul 31Resolved

E. COLI

19

Jul 31Resolved

E. COLI

19

Jul 31Resolved

E. COLI

34

Jul 8Resolved

E. COLI

34

Jul 8Resolved

E. COLI

34

Jul 8Resolved

E. COLI

34

Jul 8Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

E. COLI

19

May 31Resolved

E. COLI

19

May 31Resolved

E. COLI

19

May 31Resolved

E. COLI

19

Mar 31Resolved

E. COLI

19

Mar 31Resolved

E. COLI

19

Mar 31Resolved

E. COLI

19

Feb 29Resolved

E. COLI

19

Feb 29Resolved

E. COLI

19

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

44

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Jan 31Resolved

E. COLI

19

Jan 31Resolved

E. COLI

19

Jan 31Resolved

E. COLI

19

Jan 31Resolved

How Does This Compare?

BOISE (83702) has 360 recorded violations, including 11 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.

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

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

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