Water Quality in CROWN POINT, IN (46307)

EPA violation data for public water systems serving ZIP code 46307.

386

Total Violations

42

Health-Based

344

Monitoring / Reporting

359

Resolved

What does this mean?

359 of 386 violations have been resolved. 42 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 344 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: 57 Population served: 43,699

Violations Detail (386 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Groundwater RuleHealth-BasedN/AN/AAug 28, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AAug 28, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AAug 28, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
E. COLIMonitoring0N/AJul 24, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 24, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 24, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 24, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 24, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations

Lead & Copper Levels

Violation Timeline

2025(35)

Groundwater Rule

45

Aug 28Active

Groundwater Rule

45

Aug 28Active

Groundwater Rule

45

Aug 28Active

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

E. COLI

34

Jul 24Resolved

E. COLI

34

Jul 24Resolved

E. COLI

34

Jul 24Resolved

E. COLI

34

Jul 24Resolved

E. COLI

34

Jul 24Resolved

E. COLI

34

Jul 24Resolved

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

Consumer Confidence Rule

71

Jun 30Active

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Groundwater Rule

20

May 28Resolved

Groundwater Rule

20

May 28Resolved

Groundwater Rule

20

May 28Resolved

Revised Total Coliform Rule

2D

May 8Resolved

Revised Total Coliform Rule

2D

May 8Resolved

Revised Total Coliform Rule

2D

May 8Resolved

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

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

2A

Feb 3Resolved

Revised Total Coliform Rule

2A

Feb 3Resolved

Revised Total Coliform Rule

2A

Feb 3Resolved

Revised Total Coliform Rule

2A

Feb 3Resolved

2024(64)

TTHM

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

E. COLI

34

Dec 26Resolved

E. COLI

34

Dec 26Resolved

E. COLI

34

Dec 26Resolved

E. COLI

34

Dec 26Resolved

Groundwater Rule

45

Dec 23Active

Groundwater Rule

45

Dec 23Active

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

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

Groundwater Rule

20

Oct 10Active

Groundwater Rule

20

Oct 10Active

Consumer Confidence Rule

72

Oct 6Active

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

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

Jun 30Resolved

Revised Total Coliform Rule

4B

May 31Resolved

Revised Total Coliform Rule

4B

May 31Resolved

Revised Total Coliform Rule

4B

May 31Resolved

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

3A

May 31Resolved

Nitrite

03

Apr 15Resolved

Nitrite

03

Apr 15Resolved

Nitrite

03

Apr 15Resolved

Nitrite

03

Apr 15Resolved

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

Revised Total Coliform Rule

3A

Jan 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?

CROWN POINT (46307) has 386 recorded violations, including 42 health-based. 27 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.

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