GRANITE MOBILE HOME PARK
Maryland - Community Water System - PWSID: MD0030204
System Information
| PWSID | MD0030204 |
| System Name | GRANITE MOBILE HOME PARK |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 15, 1985 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | BETHESDA |
| ZIP Code | 20814 |
| Address | El Rancho MHC, LLC |
| Organization | CRONIN, CHRISTIAN P. |
| Phone | 202-754-0705 |
Population & Service
| Population Served | 96 |
| Service Connections | 52 |
Drinking Water Violations (67)
This water system has 67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Oct 9, 2015 | - | |
| Oct 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Oct 9, 2015 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 20, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2012 | - | |
| Apr 1, 2012 | Apr 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2012 | - | |
| Apr 1, 2012 | Apr 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2012 | - | |
| Apr 1, 2012 | Apr 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2012 | - | |
| Apr 1, 2012 | Apr 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2012 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2011 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jul 20, 2009 | - | |
| Oct 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Oct 13, 2009 | - | |
| Oct 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Oct 13, 2009 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Jul 9, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 27, 2007 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 27, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jun 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Jul 27, 2007 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Jul 27, 2007 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Jul 27, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2007 | - |
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.