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Public water system record

Du Mar Estates Water Company

Serves an area of Charles County, MD · 150 people served

Federal records show 1 health-based violation and 6 monitoring/reporting issues for Du Mar Estates Water Company in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • MD0080010
  • MARBURY
  • MD
  • 150 served

System profile

Source water Groundwater
ZIP 20658
EPA system ID MD0080010

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
6

Key facts

  • Du Mar Estates Water Company draws water from 1 well.
  • Record on file since 2003, with 1 health-based violation before October 19, 2016.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
 Oct 1, 2025 Active
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Active
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2024 Active
Consumer Confidence Rule
OTHER
 Jul 1, 2023 Resolved
Nitrate
Monitoring and reporting
 Jan 1, 2016 Resolved

Full record since 2003

EPA's records for Du Mar Estates Water Company go back to 2003. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 3
2010 to October 18, 2016 1 4
2020s 1 5

Most recent health-based violation before October 19, 2016: Total Coliform, began August 2011, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Aug 1, 2011 Resolved

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Du Mar Estates Water Company draws water from 1 well.

Annual water quality report

Du Mar Estates Water Company must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Du Mar Estates Water Company for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Maryland.

Certified drinking water labs by state EPA guidance for private wells