MAMMOTH SPRING WATERWORKS
Arkansas — Community Water System — PWSID: AR0000206
System Information
| PWSID | AR0000206 |
| System Name | MAMMOTH SPRING WATERWORKS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 29, 1979 |
| Last Reported | Nov 13, 2025 |
Location & Contact
| State | Arkansas |
| City | MAMMOTH SPRING |
| ZIP Code | 72554 |
| Address | 160 NORTH FIRST STREET |
| Organization | SMITH, ALEC |
| Phone | 870-625-3518 |
Population & Service
| Population Served | 1,777 |
| Service Connections | 711 |
Drinking Water Violations (34)
This water system has 34 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2022 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Aug 15, 2022 | Revised Total Coliform Rule |
| May 1, 2022 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Aug 15, 2022 | Revised Total Coliform Rule |
| Aug 1, 2015 | Aug 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | Total Coliform Rule |
| Aug 1, 2015 | Aug 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | Total Coliform Rule |
| Aug 1, 2015 | Aug 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | Total Coliform Rule |
| Jun 1, 2014 | Jun 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | Total Coliform Rule |
| Jun 1, 2014 | Jun 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | Total Coliform Rule |
| Jun 1, 2014 | Jun 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | Total Coliform Rule |
| Jan 1, 2011 | Mar 31, 2011 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2011 | Mar 31, 2011 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2011 | Mar 31, 2011 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2007 | Jul 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2007 | Total Coliform Rule |
| Jul 1, 2007 | Jul 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2007 | Total Coliform Rule |
| May 1, 2002 | May 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2002 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1994 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1994 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1994 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | Other | No | No | — | 5% of samples | — | Archived | Aug 31, 1994 | Total Coliform Rule |
| Jun 1, 1991 | Jun 30, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1991 | Total Coliform Rule |
| Jun 1, 1991 | Jun 30, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1991 | Total Coliform Rule |
| Jun 1, 1991 | Jun 30, 1991 | Coliform (TCR) | Other | No | No | — | 5% of samples | — | Archived | Jun 30, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | Other | No | No | — | 5% of samples | — | Archived | Mar 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 1991 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 1991 | Total Coliform Rule |
| Jan 1, 1991 | Jan 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1991 | Total Coliform Rule |
| Jan 1, 1991 | Jan 31, 1991 | Coliform (TCR) | Other | No | No | — | 5% of samples | — | Archived | Jan 31, 1991 | Total Coliform Rule |
| Jan 1, 1991 | Jan 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1991 | Total Coliform Rule |
| Jan 1, 1991 | Jan 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1991 | Total Coliform Rule |
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About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.