GUADALAJARA MEXICAN RESTAURANT
South Dakota - Transient Non-Community - PWSID: SD4600568
System Information
| PWSID | SD4600568 |
| System Name | GUADALAJARA MEXICAN RESTAURANT |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | SPEARFISH |
| ZIP Code | 57783 |
| Address | 1221 N MAIN |
| Organization | GUADALAJARA MEXICAN RESTAURANT |
| Phone | 6056457369 |
Population & Service
| Population Served | 630 |
| Service Connections | 1 |
Drinking Water Violations (129)
This water system has 129 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2021 | - | MR | No | Yes | - | - | - | Resolved | Mar 14, 2023 | - | |
| Dec 31, 2021 | - | MR | No | Yes | - | - | - | Resolved | Mar 14, 2023 | - | |
| Dec 31, 2021 | - | MR | No | Yes | - | - | - | Resolved | Mar 14, 2023 | - | |
| Sep 15, 2019 | - | MR | No | Yes | - | - | - | Resolved | Feb 10, 2020 | - | |
| Sep 15, 2019 | - | MR | No | Yes | - | - | - | Resolved | Feb 10, 2020 | - | |
| Sep 15, 2019 | - | MR | No | Yes | - | - | - | Resolved | Feb 10, 2020 | - | |
| Jan 1, 2018 | Jan 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2018 | - | |
| Jan 1, 2018 | Jan 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2018 | - | |
| Jan 1, 2018 | Jan 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2018 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Aug 9, 2005 | - | Other | No | No | - | - | - | Resolved | Apr 19, 2010 | - | |
| Feb 8, 2005 | - | Other | No | No | - | - | - | Resolved | Apr 19, 2010 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Oct 8, 2002 | - | Other | No | No | - | - | - | Resolved | Apr 19, 2010 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Aug 13, 2000 | Sep 12, 2000 | Other | No | No | - | 5% of samples | - | Archived | Sep 12, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Sep 19, 1999 | Oct 18, 1999 | Other | No | No | - | 5% of samples | - | Archived | Oct 18, 1999 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MR | No | Yes | - | 5% of samples | - | Archived | Jul 31, 1999 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MR | No | Yes | - | 5% of samples | - | Archived | Jul 31, 1999 | - | |
| May 9, 1998 | Jun 8, 1998 | Other | No | No | - | 5% of samples | - | Archived | Jun 8, 1998 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Mar 31, 1998 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Mar 31, 1998 | - | |
| Aug 11, 1997 | Sep 10, 1997 | Other | No | No | - | 5% of samples | - | Archived | Sep 10, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 1997 | - | |
| Jan 20, 1997 | Feb 19, 1997 | Other | No | No | - | 5% of samples | - | Archived | Feb 19, 1997 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1996 | - | |
| Jul 13, 1996 | Aug 12, 1996 | Other | No | No | - | 5% of samples | - | Archived | Aug 12, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | May 31, 1996 | - | |
| Mar 16, 1996 | Apr 15, 1996 | Other | No | No | - | - | - | Archived | Apr 15, 1996 | - |
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.