Water Quality in MOLALLA, OR (97038)

EPA violation data for public water systems serving ZIP code 97038.

209

Total Violations

31

Health-Based

178

Monitoring / Reporting

186

Resolved

What does this mean?

186 of 209 violations have been resolved. 31 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 178 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: 37 Population served: 16,617

Violations Detail (209 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Public NoticeMonitoringN/AN/ASep 1, 2025ResolvedN/A
Public NoticeMonitoringN/AN/ASep 1, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
NitrateMonitoringN/AN/AJun 30, 2025ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Gross Alpha, Excl. Radon and UMonitoringN/AN/AJun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(33)

Public Notice

75

Sep 1Resolved

Public Notice

75

Sep 1Resolved

Lead and Copper Rule

52

Jun 30Resolved

Lead and Copper Rule

56

Jun 30Active

Nitrate

03

Jun 30Resolved

Lead and Copper Rule

56

Jun 30Active

Lead and Copper Rule

52

Jun 30Active

Lead and Copper Rule

56

Jun 30Active

Lead and Copper Rule

52

Jun 30Active

Gross Alpha, Excl. Radon and U

03

Jun 30Resolved

Surface Water Treatment Rule

36

May 31Resolved

Surface Water Treatment Rule

36

May 31Resolved

Surface Water Treatment Rule

36

May 31Resolved

COLIPHAGE

19

May 31Resolved

Revised Total Coliform Rule

3B

May 31Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

COLIPHAGE

19

Apr 30Resolved

Public Notice

75

Apr 9Active

Public Notice

75

Apr 9Resolved

Public Notice

75

Apr 9Active

Public Notice

75

Apr 9Resolved

Public Notice

75

Apr 9Resolved

Public Notice

75

Apr 9Resolved

Public Notice

75

Apr 9Resolved

Public Notice

75

Apr 9Active

Nitrate

03

Mar 31Resolved

COLIPHAGE

19

Mar 31Resolved

Public Notice

76

Mar 6Active

COLIPHAGE

19

Feb 28Resolved

Groundwater Rule

31

Jan 31Resolved

COLIPHAGE

19

Jan 31Resolved

2024(57)

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Lead and Copper Rule

59

Dec 31Resolved

Lead and Copper Rule

59

Dec 31Resolved

Groundwater Rule

31

Dec 31Resolved

Lead and Copper Rule

56

Dec 31Active

Lead and Copper Rule

56

Dec 31Active

Lead and Copper Rule

56

Dec 31Active

Lead and Copper Rule

52

Dec 31Active

Lead and Copper Rule

56

Dec 31Active

Lead and Copper Rule

52

Dec 31Active

Revised Total Coliform Rule

3A

Dec 31Resolved

Lead and Copper Rule

52

Dec 20Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

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 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 16Active

Consumer Confidence Rule

72

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Groundwater Rule

31

Sep 30Resolved

Consumer Confidence Rule

72

Sep 30Resolved

Consumer Confidence Rule

72

Sep 30Resolved

Consumer Confidence Rule

72

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Consumer Confidence Rule

72

Sep 30Resolved

Public Notice

75

Aug 29Resolved

Public Notice

75

Aug 29Resolved

Public Notice

75

Aug 29Resolved

Revised Total Coliform Rule

2A

Aug 2Resolved

Groundwater Rule

31

Jul 31Resolved

Revised Total Coliform Rule

1A

Jul 31Resolved

Revised Total Coliform Rule

1A

Jul 31Resolved

Lead and Copper Rule

56

Jun 30Resolved

Nitrate

03

Jun 30Resolved

Lead and Copper Rule

52

Jun 30Active

Lead and Copper Rule

52

Jun 30Active

Lead and Copper Rule

56

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Lead and Copper Rule

56

Jun 30Resolved

Lead and Copper Rule

56

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Public Notice

75

May 3Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

1A

Mar 31Resolved

Revised Total Coliform Rule

1A

Mar 31Resolved

E. COLI

34

Feb 3Resolved

Groundwater Rule

31

Jan 31Resolved

How Does This Compare?

MOLALLA (97038) has 209 recorded violations, including 31 health-based. 23 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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