Water Quality in MAMMOTH SPRING, AR (72554)

EPA violation data for public water systems serving ZIP code 72554.

296

Total Violations

Health-Based

244

Monitoring / Reporting

157

Resolved

What does this mean?

157 of 296 violations have been resolved. 52 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 244 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: 13 Population served: 2,559

Violations Detail (296 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Public Notice	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jun 30, 2025	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	May 31, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2025	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2025	Active	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 31, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2025	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Apr 30, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2025	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 31, 2025	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Mar 31, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2025	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 28, 2025	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Feb 28, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 31, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2025	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jan 31, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Dec 31, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Nov 30, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Nov 30, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 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
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Oct 31, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Sep 30, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Aug 31, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Aug 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 31, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jul 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jun 30, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	May 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	May 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Groundwater Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	May 31, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	May 31, 2024	Active	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	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Apr 30, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Apr 30, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Apr 30, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Mar 31, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Mar 31, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Mar 31, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Mar 31, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 29, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Feb 29, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Feb 29, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Feb 29, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jan 31, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jan 31, 2024	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Dec 31, 2023	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Dec 31, 2023	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Nov 30, 2023	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Nov 30, 2023	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Nov 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2023	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Oct 31, 2023	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Oct 31, 2023	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Oct 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Sep 30, 2023	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Sep 30, 2023	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Sep 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Active	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	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Active	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
Groundwater Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 31, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Active	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 31, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 31, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 31, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 30, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 30, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 28, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 28, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 28, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 28, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 28, 2021	Resolved	N/A

Violation Timeline

2025(32)

Public Notice

Jun 30Active

Revised Total Coliform Rule

Jun 30Active

Groundwater Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Jun 30Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

May 31Active

Revised Total Coliform Rule

May 31Active

Groundwater Rule

May 31Resolved

Revised Total Coliform Rule

May 31Active

Revised Total Coliform Rule

May 31Resolved

Public Notice

May 31Active

Revised Total Coliform Rule

Apr 30Active

Public Notice

Apr 30Active

Groundwater Rule

Apr 30Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Apr 30Active

Revised Total Coliform Rule

Apr 30Active

Groundwater Rule

Mar 31Resolved

Public Notice

Mar 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Mar 31Active

Revised Total Coliform Rule

Mar 31Active

Revised Total Coliform Rule

Mar 31Active

Revised Total Coliform Rule

Feb 28Active

Groundwater Rule

Feb 28Resolved

Public Notice

Feb 28Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Feb 28Active

Revised Total Coliform Rule

Feb 28Active

Revised Total Coliform Rule

Jan 31Resolved

Public Notice

Jan 31Active

Revised Total Coliform Rule

Jan 31Active

Groundwater Rule

Jan 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Jan 31Active

Revised Total Coliform Rule

Jan 31Active

2024(84)

Revised Total Coliform Rule

Dec 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Dec 31Active

Groundwater Rule

Dec 31Resolved

Public Notice

Dec 31Active

Revised Total Coliform Rule

Dec 31Active

Revised Total Coliform Rule

Nov 30Active

Revised Total Coliform Rule

Nov 30Active

Public Notice

Nov 30Active

Groundwater Rule

Nov 30Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Nov 30Active

Groundwater Rule

Oct 31Resolved

Public Notice

Oct 31Active

Revised Total Coliform Rule

Oct 31Active

Revised Total Coliform Rule

Oct 31Active

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Oct 31Active

Groundwater Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Active

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Sep 30Active

Public Notice

Aug 31Active

Groundwater Rule

Aug 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Aug 31Active

Revised Total Coliform Rule

Aug 31Active

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Jul 31Active

Groundwater Rule

Jul 31Resolved

Public Notice

Jul 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Jul 31Active

Revised Total Coliform Rule

Jul 31Active

Groundwater Rule

Jun 30Resolved

Public Notice

Jun 30Active

Revised Total Coliform Rule

Jun 30Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Jun 30Active

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Chlorine

May 31Resolved

Chlorine

May 31Resolved

Groundwater Rule

May 31Resolved

Revised Total Coliform Rule

May 31Active

Public Notice

May 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

May 31Active

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Active

Revised Total Coliform Rule

Apr 30Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Apr 30Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Apr 30Active

Groundwater Rule

Apr 30Resolved

Groundwater Rule

Apr 30Resolved

Public Notice

Apr 30Active

Public Notice

Apr 30Active

Revised Total Coliform Rule

Mar 31Active

Revised Total Coliform Rule

Mar 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Mar 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Mar 31Active

Public Notice

Mar 31Active

Public Notice

Mar 31Active

Groundwater Rule

Mar 31Resolved

Groundwater Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Public Notice

Feb 29Active

Public Notice

Feb 29Active

Groundwater Rule

Feb 29Resolved

Groundwater Rule

Feb 29Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Feb 29Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Feb 29Active

Revised Total Coliform Rule

Feb 29Active

Revised Total Coliform Rule

Feb 29Active

Revised Total Coliform Rule

Jan 31Active

Revised Total Coliform Rule

Jan 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Jan 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Jan 31Active

Groundwater Rule

Jan 31Resolved

Groundwater Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Active

Revised Total Coliform Rule

Jan 31Active

2023(116)

Stage 1 Disinfectants and Disinfection Byproducts Rule

Dec 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Dec 31Active

Groundwater Rule

Dec 31Resolved

Public Notice

Dec 31Active

Public Notice

Dec 31Active

Groundwater Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Active

Revised Total Coliform Rule

Dec 31Active

Groundwater Rule

Nov 30Resolved

Groundwater Rule

Nov 30Resolved

Groundwater Rule

Nov 30Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Nov 30Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Nov 30Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Nov 30Active

Revised Total Coliform Rule

Nov 30Active

Revised Total Coliform Rule

Nov 30Active

Revised Total Coliform Rule

Nov 30Active

Revised Total Coliform Rule

Nov 30Active

Groundwater Rule

Oct 31Resolved

Groundwater Rule

Oct 31Resolved

Groundwater Rule

Oct 31Resolved

Groundwater Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Active

Revised Total Coliform Rule

Oct 31Active

Revised Total Coliform Rule

Oct 31Active

Revised Total Coliform Rule

Oct 31Active

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Oct 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Oct 31Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Oct 31Active

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Groundwater Rule

Sep 30Resolved

Groundwater Rule

Sep 30Resolved

Groundwater Rule

Sep 30Resolved

Groundwater Rule

Sep 30Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Sep 30Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Sep 30Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Sep 30Active

Revised Total Coliform Rule

Sep 30Active

Revised Total Coliform Rule

Sep 30Active

Revised Total Coliform Rule

Sep 30Active

Revised Total Coliform Rule

Sep 30Active

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Active

Revised Total Coliform Rule

Aug 31Active

Revised Total Coliform Rule

Aug 31Active

Revised Total Coliform Rule

Aug 31Active

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Groundwater Rule

Aug 31Resolved

Groundwater Rule

Aug 31Resolved

Groundwater Rule

Aug 31Resolved

Groundwater Rule

Aug 31Resolved

Public Notice

Aug 31Active

Public Notice

Aug 31Resolved

Groundwater Rule

Jul 31Resolved

Groundwater Rule

Jul 31Resolved

Groundwater Rule

Jul 31Resolved

Groundwater Rule

Jul 31Resolved

Revised Total Coliform Rule

Jun 30Active

Revised Total Coliform Rule

Jun 30Active

Revised Total Coliform Rule

Jun 30Active

Revised Total Coliform Rule

Jun 30Active

Revised Total Coliform Rule

Jun 30Active

Public Notice

May 31Resolved

Revised Total Coliform Rule

Apr 30Active

Revised Total Coliform Rule

Apr 30Active

Revised Total Coliform Rule

Apr 30Active

Groundwater Rule

Apr 30Resolved

Groundwater Rule

Apr 30Resolved

Groundwater Rule

Apr 30Resolved

Groundwater Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Active

Groundwater Rule

Apr 30Resolved

Groundwater Rule

Apr 30Resolved

Groundwater Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Active

Revised Total Coliform Rule

Apr 30Active

Revised Total Coliform Rule

Apr 30Active

Revised Total Coliform Rule

Mar 31Active

Revised Total Coliform Rule

Mar 31Active

Revised Total Coliform Rule

Mar 31Active

Revised Total Coliform Rule

Mar 31Active

Revised Total Coliform Rule

Mar 31Active

Groundwater Rule

Mar 31Resolved

Groundwater Rule

Mar 31Resolved

Groundwater Rule

Mar 31Resolved

Groundwater Rule

Mar 31Resolved

Groundwater Rule

Mar 31Resolved

Groundwater Rule

Mar 31Resolved

Groundwater Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Active

Revised Total Coliform Rule

Mar 31Active

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Feb 28Active

Revised Total Coliform Rule

Feb 28Active

Revised Total Coliform Rule

Feb 28Active

Revised Total Coliform Rule

Feb 28Active

Revised Total Coliform Rule

Feb 28Active

Revised Total Coliform Rule

Feb 28Active

Revised Total Coliform Rule

Feb 28Active

How Does This Compare?

MAMMOTH SPRING (72554) has 296 recorded violations, including 52 health-based. 139 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 →

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 MAMMOTH SPRING, AR (72554)

What does this mean?

Violations Detail (296 total)

Violation Timeline

2025(32)

2024(84)

2023(116)

2022(23)

2021(41)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code