Water Quality in MOUNT VERNON, IA (52314)

EPA violation data for public water systems serving ZIP code 52314.

157

Total Violations

Health-Based

153

Monitoring / Reporting

149

Resolved

What does this mean?

149 of 157 violations have been resolved. 4 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 153 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: 11 Population served: 5,577

Violations Detail (157 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
TTHM	Monitoring	N/A	N/A	Jul 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jul 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 26, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	May 26, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	May 26, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	May 1, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	May 1, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	May 1, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 23, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Nov 23, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 21, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 21, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 21, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 21, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 22, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 25, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 25, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 25, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 23, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 23, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 23, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 23, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 20, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 20, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 20, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 20, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jul 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jul 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jul 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jul 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Public Notice	Monitoring	N/A	N/A	Jan 22, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2023	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
E. COLI	Monitoring	0	N/A	Oct 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Oct 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Oct 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Oct 31, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Sep 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Sep 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Sep 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Sep 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Sep 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Sep 30, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Public Notice	Monitoring	N/A	N/A	Sep 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 25, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 22, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 22, 2022	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 8, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	May 8, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	May 8, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	May 8, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 3, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 3, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 3, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 3, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 3, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Apr 3, 2022	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Public Notice	Monitoring	N/A	N/A	May 19, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 19, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 19, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(12)

TTHM

Jul 31Resolved

Total Haloacetic Acids (HAA5)

Jul 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Public Notice

May 26Active

Public Notice

May 26Active

Public Notice

May 26Active

Public Notice

May 1Active

Public Notice

May 1Active

Public Notice

May 1Active

2024(60)

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Public Notice

Nov 23Active

Public Notice

Nov 23Active

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Public Notice

Oct 22Resolved

Public Notice

Oct 22Resolved

Public Notice

Oct 22Resolved

Public Notice

Oct 22Resolved

Public Notice

Oct 22Resolved

Public Notice

Oct 22Resolved

Public Notice

Oct 22Resolved

Public Notice

Oct 22Resolved

Public Notice

Oct 21Resolved

Public Notice

Oct 21Resolved

Public Notice

Oct 21Resolved

Public Notice

Oct 21Resolved

Public Notice

Sep 22Resolved

Public Notice

Sep 22Resolved

Public Notice

Sep 22Resolved

Public Notice

Sep 22Resolved

Total Haloacetic Acids (HAA5)

Jul 31Resolved

TTHM

Jul 31Resolved

TTHM

Jul 31Resolved

TTHM

Jul 31Resolved

Total Haloacetic Acids (HAA5)

Jul 31Resolved

Total Haloacetic Acids (HAA5)

Jul 31Resolved

Public Notice

Jul 25Resolved

Public Notice

Jul 25Resolved

Public Notice

Jul 25Resolved

Public Notice

Jul 25Resolved

Public Notice

Jul 25Resolved

Public Notice

Jul 25Resolved

Public Notice

Jul 25Resolved

Public Notice

Jul 25Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Public Notice

May 25Resolved

Public Notice

May 25Resolved

Public Notice

May 25Resolved

Public Notice

May 25Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Feb 29Resolved

Revised Total Coliform Rule

Feb 29Resolved

Revised Total Coliform Rule

Feb 29Resolved

Revised Total Coliform Rule

Feb 29Resolved

Public Notice

Jan 22Resolved

Public Notice

Jan 22Resolved

Public Notice

Jan 22Resolved

Public Notice

Jan 22Resolved

How Does This Compare?

MOUNT VERNON (52314) has 157 recorded violations, including 4 health-based. 8 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in MOUNT VERNON, IA (52314)

What does this mean?

Violations Detail (157 total)

Lead & Copper Levels

Violation Timeline

2025(12)

2024(60)

2023(42)

2022(36)

2021(7)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

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