LANTERN ESTATES
South Dakota — Community Water System — PWSID: SD4600315
System Information
| PWSID | SD4600315 |
| System Name | LANTERN ESTATES |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | SPEARFISH |
| ZIP Code | 57783 |
| Address | 3518 WESTVIEW DRIVE |
| Organization | LANTERN ESTATES |
| Phone | — |
Population & Service
| Population Served | 192 |
| Service Connections | 78 |
Drinking Water Violations (221)
This water system has 221 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 8, 2009 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jun 17, 2010 | Public Notice Rule and Revised PN Rule |
| Aug 1, 2008 | Aug 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | Total Coliform Rule |
| Aug 1, 2008 | Aug 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | Total Coliform Rule |
| Aug 1, 2008 | Aug 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 1, 2008 | Consumer Confidence Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 1, 2008 | Consumer Confidence Rule |
| Oct 1, 2006 | Oct 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2006 | Total Coliform Rule |
| Oct 1, 2006 | Oct 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2006 | Total Coliform Rule |
| Oct 1, 2006 | Oct 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2006 | Total Coliform Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | Total Coliform Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | Total Coliform Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | Total Coliform Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | Total Coliform Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | Total Coliform Rule |
| May 1, 2006 | May 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2006 | Total Coliform Rule |
| May 1, 2006 | May 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2006 | Total Coliform Rule |
| Jan 1, 2006 | Dec 31, 2006 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2006 | Inorganic Chemicals |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | Total Coliform Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | Total Coliform Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | Total Coliform Rule |
| Mar 1, 2005 | Mar 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | Total Coliform Rule |
| Mar 1, 2005 | Mar 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | Total Coliform Rule |
| Mar 1, 2005 | Mar 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | Total Coliform Rule |
| Jul 4, 2004 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 3, 2008 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 19, 2004 | Consumer Confidence Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 19, 2004 | Consumer Confidence Rule |
| May 1, 2004 | May 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2004 | Total Coliform Rule |
| May 1, 2004 | May 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2004 | Total Coliform Rule |
| May 1, 2004 | May 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2004 | Total Coliform Rule |
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.