Public water system · MD0020213

Active

Lyons Creek Estates

At a glance

Lyons Creek Estates (PWSID MD0020213) is an active community water system in Anne Arundel County, Maryland. It reports serving 750 people through 250 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in April 2020.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

750

Service connections

250

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDMD0020213

System typeCommunity water system

Activity statusActive

Population served750

Service connections250

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyMD state drinking water program

City served—

StateMaryland

ZIP—

CountyAnne Arundel County

How does Lyons Creek Estates compare with other water systems in Anne Arundel County?

By EPA's size categories, Lyons Creek Estates is a small system (501 to 3,300 people). Anne Arundel County has 405 active public water systems. Its population served is about half of the county average of 1,397 people per system, and accounts for 0.1% of the 565,834 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active community water system reports serving 6,703 people, so Lyons Creek Estates is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maryland has 422 active community water systems, 14% of the state's 2,992 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,870 Maryland systems (96%) list groundwater as their primary source.

Who owns and regulates Lyons Creek Estates?

EPA lists Lyons Creek Estates as privately owned. The MD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 361 of the 405 active systems in Anne Arundel County (89%) are also privately owned.

Does Lyons Creek Estates have drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in April 2020. The violations listed here began between July 1993 and April 2020. By type: 7 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 9 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

Began	Violation	Contaminant or rule	Health-based	Status
2020-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2014-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2011-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2010-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2009-10-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2008-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2008-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
1994-05-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
1993-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved

All 9 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Lyons Creek Estates: frequently asked questions

Who runs Lyons Creek Estates?

Lyons Creek Estates (PWSID MD0020213) is a community water system privately owned. It is regulated by the MD state drinking water program.

How many people does Lyons Creek Estates serve?

Lyons Creek Estates reports serving 750 people through 250 service connections in Anne Arundel County, Maryland.

Where does Lyons Creek Estates get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Lyons Creek Estates have any drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in April 2020. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Lyons Creek Estates' water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 9 violations for this system; none is health-based, and the most recent began in April 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the MD state drinking water program.

Where can I find Lyons Creek Estates' water quality report?

As a community water system, Lyons Creek Estates must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Anne Arundel County

Water system	County	Population served	Type	Source
Glen Burnie-Broadneck	Anne Arundel	290,606	Community	Groundwater
Crofton-Odenton	Anne Arundel	62,986	Community	Groundwater
Fort George G. Meade	Anne Arundel	62,234	Community	Groundwater
City of Annapolis	Anne Arundel	35,000	Community	Groundwater
Broad Creek	Anne Arundel	26,033	Community	Groundwater
U.S. Naval Academy	Anne Arundel	8,700	Community	Groundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Lyons Creek Estates, PWSID MD0020213, Maryland”, https://aquacensus.com/water-systems/maryland/lyons-creek-estates-md0020213 (data as of October 1, 2026).