WINDWARD KNOLL MHP
Maryland - Community Water System - PWSID: FL6291988
System Information
| PWSID | FL6291988 |
| System Name | WINDWARD KNOLL MHP |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 04 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 10, 1979 |
| Last Reported | Feb 24, 2026 |
Location & Contact
| State | Maryland |
| City | POTOMAC |
| ZIP Code | 20859 |
| Address | 10221 RIVER ROAD #59831 |
| Organization | WINWARD KNOLLS FL MHC LLC |
| Phone | 202-838-6471 |
Population & Service
| Population Served | 208 |
| Service Connections | 155 |
Drinking Water Violations (92)
This water system has 92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Apr 1, 2025 | Apr 30, 2025 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Feb 15, 2023 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Feb 15, 2023 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2009 | - | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 2009 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2002 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2002 | - | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 2002 | - | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 2002 | - | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 2002 | - | |
| Oct 1, 2001 | Oct 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 2001 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 2001 | - | |
| Nov 1, 1999 | Nov 30, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 1999 | - | |
| Jun 1, 1999 | Jun 30, 1999 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1999 | - | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 1998 | - | |
| May 1, 1998 | May 31, 1998 | MR | No | No | - | 5% of samples | - | Archived | May 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 1998 | - | |
| May 1, 1997 | May 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | May 31, 1997 | - | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | No | - | 10 mg/L | - | Archived | Dec 31, 1997 | - | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | No | - | 10 mg/L | - | Archived | Dec 31, 1997 | - |
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.