Water Quality in BLACKFOOT, ID (83221)

EPA violation data for public water systems serving ZIP code 83221.

469

Total Violations

60

Health-Based

409

Monitoring / Reporting

390

Resolved

What does this mean?

390 of 469 violations have been resolved. 60 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 409 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: 65 Population served: 20,274

Violations Detail (469 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Lead and Copper RuleMonitoringN/AN/ASep 28, 2025ActiveN/A
Public NoticeMonitoringN/AN/ASep 27, 2025ActiveN/A
Groundwater RuleMonitoringN/AN/AAug 15, 2025ActiveN/A
Groundwater RuleMonitoringN/AN/AAug 15, 2025ActiveN/A
Groundwater RuleMonitoringN/AN/AAug 6, 2025ActiveN/A
Groundwater RuleMonitoringN/AN/AAug 6, 2025ActiveN/A
Public NoticeMonitoringN/AN/AAug 1, 2025ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ActiveN/A

Lead & Copper Levels

Violation Timeline

2025(31)

Lead and Copper Rule

66

Sep 28Active

Public Notice

75

Sep 27Active

Groundwater Rule

20

Aug 15Active

Groundwater Rule

20

Aug 15Active

Groundwater Rule

20

Aug 6Active

Groundwater Rule

20

Aug 6Active

Public Notice

75

Aug 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

Revised Total Coliform Rule

2D

Jul 1Resolved

Revised Total Coliform Rule

2D

Jul 1Resolved

Revised Total Coliform Rule

2D

Jul 1Resolved

Lead and Copper Rule

51

Jun 30Active

Lead and Copper Rule

51

Jun 30Active

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

2D

May 31Active

Revised Total Coliform Rule

2D

May 31Active

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(92)

Lead and Copper Rule

51

Dec 31Active

Lead and Copper Rule

51

Dec 31Active

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3B

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Active

Lead and Copper Rule

66

Dec 29Active

Lead and Copper Rule

66

Dec 29Active

Lead and Copper Rule

66

Dec 29Active

E. COLI

34

Dec 7Active

E. COLI

34

Dec 7Active

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

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 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

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

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

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

66

Sep 28Resolved

Lead and Copper Rule

66

Sep 28Resolved

Lead and Copper Rule

66

Sep 28Resolved

Lead and Copper Rule

66

Sep 28Resolved

Lead and Copper Rule

66

Sep 28Resolved

Lead and Copper Rule

66

Sep 28Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Public Notice

75

Jul 18Active

Public Notice

75

Jul 18Active

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Nitrite

03

Jun 30Resolved

Nitrite

03

Jun 30Resolved

Nitrite

03

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Groundwater Rule

45

May 10Resolved

Groundwater Rule

45

May 10Resolved

Groundwater Rule

45

May 10Resolved

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

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

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

Lead and Copper Rule

66

Mar 30Resolved

Lead and Copper Rule

66

Mar 30Resolved

Lead and Copper Rule

66

Mar 30Resolved

Public Notice

75

Mar 25Active

Public Notice

75

Mar 25Active

Public Notice

75

Feb 18Active

Public Notice

75

Feb 18Active

Groundwater Rule

20

Feb 10Resolved

Groundwater Rule

20

Feb 10Resolved

Groundwater Rule

20

Feb 10Resolved

Groundwater Rule

20

Feb 10Resolved

How Does This Compare?

BLACKFOOT (83221) has 469 recorded violations, including 60 health-based. 79 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.

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