Public Water Partners

LA PLATA, MD · Charles County

MARIELLEN PARK Water System

Consumer Confidence Report status

MARIELLEN PARK must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for MARIELLEN PARK.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Maryland’s official records. Always confirm current status with Maryland before making decisions based on this information.

System facts

System ID (PWSID)
MD0080028
System type
Community Water System
Population served
184
Service connections
70
Ownership
local government
Water source
groundwater (wells)

MARIELLEN PARK is one of 1,050 community water systems in Maryland in the 500 or fewer people size category, serving 184 people from groundwater.

As of August 1, 2026, EPA's published records contain no violations for this system.

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is MARIELLEN PARK required to publish a Consumer Confidence Report?

Yes. MARIELLEN PARK is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is MARIELLEN PARK’s next Consumer Confidence Report due?

MARIELLEN PARK’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does MARIELLEN PARK have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for MARIELLEN PARK.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

GILES, TIM

301-609-5647

LA PLATA, MD 20646