Concord Estates Mobile Home Park
Published drinking-water records and contacts for Concord Estates Mobile Home Park. System MD0100203. Review sources and dates; not a real-time water assessment.
- System ID
- MD0100203
- State or territory
- MD
- Published population served
- 150
- System type (source code)
- CWS
Published records and dates
- Lead and copper monitoring summaries: 12 — 1993-07-01 – 2018-12-31
- Maryland MDE PFAS study — Phase 3: 36 — 2021-08-31 – 2021-08-31
- Maryland MDE PFAS study — Phase 4: 18 — 2022-08-24 – 2022-08-24
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
Lead and copper: 90th-percentile summaries
These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0 mg/L | 2016-01-01 – 2018-12-31 | 2026Q3 |
| Lead (PB90) | -0.005 mg/L | 2013-01-01 – 2015-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2011-01-01 – 2013-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2007-01-01 – 2009-12-31 | 2026Q3 |
| Lead (PB90) | 0.011 mg/L | 2004-01-01 – 2006-12-31 | 2026Q3 |
| Lead (PB90) | 0.005 mg/L | 2001-01-01 – 2003-12-31 | 2026Q3 |
| Lead (PB90) | 0.005 mg/L | 1998-01-01 – 2000-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 1997-01-01 – 1999-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| 11Cl-PF3OUdS | Below a limit; numeric threshold unavailable ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| 9Cl-PF3ONS | Below a limit; numeric threshold unavailable ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| ADONA | Below a limit; numeric threshold unavailable ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| HFPO-DA | Below a limit; numeric threshold unavailable ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| N-EtFOSAA | Below a limit; numeric threshold unavailable ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| N-MeFOSAA | Below a limit; numeric threshold unavailable ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| PFBS | 4.6900000000000004 ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| PFDA | Below a limit; numeric threshold unavailable ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| PFDoA | Below a limit; numeric threshold unavailable ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| PFHpA | 1.78 ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| PFHxA | 4.63 ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
| PFHxS | 1.37 ppt | 2022-08-24 | LOWER WTP - WELLS 1 + 2 / Maryland MDE PFAS study — Phase 4 |
State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.
Download state records with source notes (CSV)
Published compliance history
1 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Ground Water Rule / Failure To Address Deficiency | 2016-05-01 – — | Unaddressed | Yes | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
- Maryland MDE PFAS study — Phase 3 — last successful check: 2026-10-17
- Maryland MDE PFAS study — Phase 4 — last successful check: 2026-10-14
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.