REX HILL ESTATES, LLC
Maryland — Community Water System — PWSID: OH7703812
System Information
| PWSID | OH7703812 |
| System Name | REX HILL ESTATES, LLC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 30, 1981 |
| Last Reported | Feb 25, 2026 |
Location & Contact
| State | Maryland |
| City | CROFTON |
| ZIP Code | 21114 |
| Address | 2151 Priest Bridge Dr |
| Organization | HARKER, KIRSTEN |
| Phone | — |
Population & Service
| Population Served | 246 |
| Service Connections | 101 |
Drinking Water Violations (140)
This water system has 140 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 | — | Other | No | No | — | — | — | Resolved | Aug 20, 2025 | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Resolved | Aug 20, 2025 | — | |
| Aug 17, 2022 | — | Other | No | No | — | — | — | Resolved | Jan 10, 2023 | — | |
| Aug 17, 2022 | — | Other | No | No | — | — | — | Resolved | Jan 10, 2023 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 12, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 12, 2022 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Jan 25, 2019 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Dec 31, 2009 | — | MR | No | No | — | TT | — | Resolved | Jul 10, 2010 | — | |
| Dec 31, 2009 | — | MR | No | No | — | TT | — | Resolved | Jul 10, 2010 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 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.