GREAT FALLS PARK
Virginia - Transient Non-Community - PWSID: VA6059523
System Information
| PWSID | VA6059523 |
| System Name | GREAT FALLS PARK |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 26, 1980 |
| Last Reported | Feb 17, 2026 |
Location & Contact
| State | Virginia |
| City | MCCLEAN |
| ZIP Code | 22101 |
| Address | 9200 Old Dominion Drive |
| Organization | HOWES, RICHARD |
| Phone | 703-419-6416 |
Population & Service
| Population Served | 2,000 |
| Service Connections | 3 |
Drinking Water Violations (59)
This water system has 59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 16, 2024 | - | Other | No | No | - | - | - | Resolved | Dec 9, 2024 | - | |
| Nov 16, 2024 | - | Other | No | No | - | - | - | Resolved | Dec 9, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | No | - | - | - | Resolved | Oct 31, 2023 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | No | - | - | - | Resolved | Oct 31, 2023 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | No | - | - | - | Resolved | Oct 31, 2023 | - | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | No | - | - | - | Resolved | Oct 31, 2023 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2017 | - | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2017 | - | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2017 | - | |
| Apr 1, 2017 | Apr 30, 2017 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2017 | - | |
| Apr 1, 2017 | Apr 30, 2017 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2017 | - | |
| Apr 1, 2017 | Apr 30, 2017 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2017 | - | |
| Sep 1, 2016 | Sep 30, 2016 | MON | No | No | - | - | - | Resolved | Sep 30, 2016 | - | |
| Sep 1, 2016 | Sep 30, 2016 | MON | No | No | - | - | - | Resolved | Sep 30, 2016 | - | |
| Sep 1, 2016 | Sep 30, 2016 | MON | No | No | - | - | - | Resolved | Sep 30, 2016 | - | |
| Sep 1, 2016 | Sep 30, 2016 | MON | No | No | - | - | - | Resolved | Sep 30, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2016 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Aug 15, 2015 | - | MR | No | Yes | - | - | - | Resolved | Dec 21, 2015 | - | |
| Aug 15, 2015 | - | MR | No | Yes | - | - | - | Resolved | Dec 21, 2015 | - | |
| Aug 15, 2015 | - | MR | No | Yes | - | - | - | Resolved | Dec 21, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Dec 2, 2008 | - | Other | No | No | - | - | - | Resolved | May 26, 2011 | - | |
| Dec 2, 2008 | - | Other | No | No | - | - | - | Resolved | May 26, 2011 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - |
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.