Public water system · MD1041151
ActiveLyons Creek Shopping Center
At a glance
Lyons Creek Shopping Center (PWSID MD1041151) is an active non-transient non-community water system in Calvert County, Maryland. It reports serving 95 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in October 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
95
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Lyons Creek Shopping Center compare with other water systems in Calvert County?
By EPA's size categories, Lyons Creek Shopping Center is a very small system (500 people or fewer). Calvert County has 203 active public water systems. Its population served is well below the county average of 384 people per system, and accounts for 0.1% of the 77,996 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Lyons Creek Shopping Center is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Maryland has 491 active non-transient non-community water systems, 16% 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 Shopping Center?
EPA lists Lyons Creek Shopping Center 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. 160 of the 203 active systems in Calvert County (79%) are also privately owned.
Does Lyons Creek Shopping Center have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in October 2012. The violations listed here began between September 2001 and October 2012. By type: 5 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2012-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2009-10-01 | 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 | Arseniccode 1005 | No | Resolved |
| 2001-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 7 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 Shopping Center: frequently asked questions
Who runs Lyons Creek Shopping Center?
Lyons Creek Shopping Center (PWSID MD1041151) is a non-transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Lyons Creek Shopping Center serve?
Lyons Creek Shopping Center reports serving 95 people through 1 service connection in Calvert County, Maryland.
Where does Lyons Creek Shopping Center 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 Shopping Center have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in October 2012. 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 Shopping Center's 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 7 violations for this system; 1 is health-based, and the most recent began in October 2012. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Lyons Creek Shopping Center's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lyons Creek Shopping Center is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Calvert County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chesapeake Ranch Estates | Calvert | 9,500 | Community | Groundwater |
| Town of Chesapeake Beach | Calvert | 5,000 | Community | Groundwater |
| Prince Frederick | Calvert | 4,371 | Community | Groundwater |
| Solomons | Calvert | 3,811 | Community | Groundwater |
| Town of North Beach | Calvert | 3,000 | Community | Groundwater |
| Northern Middle & High Schools | Calvert | 2,470 | Non-transient non-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 Shopping Center, PWSID MD1041151, Maryland”, https://aquacensus.com/water-systems/maryland/lyons-creek-shopping-center-md1041151 (data as of October 1, 2026).