Water Quality in COEUR D'ALENE, ID (83814)

EPA violation data for public water systems serving ZIP code 83814.

385

Total Violations

29

Health-Based

356

Monitoring / Reporting

373

Resolved

What does this mean?

373 of 385 violations have been resolved. 29 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 356 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: 106 Population served: 8,821

Violations Detail (385 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/ASep 20, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
Public NoticeMonitoringN/AN/AAug 1, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
ArsenicHealth-BasedN/A0.02Jun 30, 2025ResolvedSkin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(24)

E. COLI

34

Sep 20Active

Public Notice

75

Aug 1Active

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Arsenic

02

Jun 30Resolved

Revised Total Coliform Rule

2D

May 31Resolved

Revised Total Coliform Rule

2D

May 31Resolved

Revised Total Coliform Rule

2D

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Arsenic

02

Mar 31Resolved

Arsenic

02

Mar 31Resolved

Arsenic

02

Mar 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

Public Notice

75

Feb 5Resolved

Public Notice

75

Feb 5Resolved

2024(43)

Total Haloacetic Acids (HAA5)

27

Dec 31Active

TTHM

27

Dec 31Active

Arsenic

02

Dec 31Resolved

Arsenic

02

Dec 31Resolved

Arsenic

02

Dec 31Resolved

Public Notice

75

Dec 6Resolved

Public Notice

75

Dec 6Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Arsenic

02

Sep 30Resolved

Arsenic

02

Sep 30Resolved

Arsenic

02

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3B

Jun 30Resolved

Revised Total Coliform Rule

3B

Jun 30Resolved

Arsenic

03

Jun 30Resolved

Arsenic

03

Jun 30Resolved

Arsenic

03

Jun 30Resolved

Arsenic

03

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Arsenic

02

Jun 30Resolved

Arsenic

02

Jun 30Resolved

Arsenic

02

Jun 30Resolved

E. COLI

34

Jun 17Active

E. COLI

34

Jun 17Active

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

2D

May 1Resolved

Revised Total Coliform Rule

2D

May 1Resolved

Revised Total Coliform Rule

2D

May 1Resolved

Revised Total Coliform Rule

2D

May 1Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

How Does This Compare?

COEUR D'ALENE (83814) has 385 recorded violations, including 29 health-based. 12 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

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

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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