Water Quality in KETCHUM, ID (83340)

EPA violation data for public water systems serving ZIP code 83340.

588

Total Violations

23

Health-Based

565

Monitoring / Reporting

571

Resolved

What does this mean?

571 of 588 violations have been resolved. 23 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 565 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: 38 Population served: 7,312

Violations Detail (588 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Groundwater RuleMonitoringN/AN/ASep 27, 2025ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ActiveN/A
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
E. COLIMonitoring0N/AMay 14, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AMay 14, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AMay 14, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AMay 14, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations

Lead & Copper Levels

Violation Timeline

2025(16)

Groundwater Rule

20

Sep 27Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

E. COLI

34

May 14Active

E. COLI

34

May 14Active

E. COLI

34

May 14Active

E. COLI

34

May 14Active

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Public Notice

75

Jan 26Active

Public Notice

75

Jan 26Active

Public Notice

75

Jan 2Active

Public Notice

75

Jan 2Active

2024(365)

Revised Total Coliform Rule

2A

Nov 3Resolved

Revised Total Coliform Rule

2A

Nov 3Resolved

Revised Total Coliform Rule

2A

Nov 3Resolved

Revised Total Coliform Rule

2A

Nov 3Resolved

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 REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

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

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Lead and Copper Rule

56

Jun 30Resolved

Lead and Copper Rule

56

Jun 30Resolved

Lead and Copper Rule

56

Jun 30Resolved

E. COLI

34

May 19Resolved

E. COLI

34

May 19Resolved

E. COLI

34

May 19Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Carbon tetrachloride

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

DICHLOROMETHANE

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

Benzene

03

Mar 31Resolved

1,1,2-Trichloroethane

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

1,2-Dichloropropane

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Xylenes, Total

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

p-Dichlorobenzene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Styrene

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Vinyl chloride

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Tetrachloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

Trichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

cis-1,2-Dichloroethylene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

1,2,4-Trichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

o-Dichlorobenzene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

1,1-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

trans-1,2-Dichloroethylene

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

1,1,1-Trichloroethane

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

CHLOROBENZENE

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Ethylbenzene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

Toluene

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

Mar 31Resolved

1,2-Dichloroethane

03

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

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

How Does This Compare?

KETCHUM (83340) has 588 recorded violations, including 23 health-based. 17 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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