Public water system · MD1131322
ActiveTen Oaks Triangle Shopping Center
At a glance
Ten Oaks Triangle Shopping Center (PWSID MD1131322) is an active transient non-community water system in Howard County, Maryland. It reports serving 116 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; all are health-based, and the most recent began in September 2011.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
116
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Ten Oaks Triangle Shopping Center compare with other water systems in Howard County?
By EPA's size categories, Ten Oaks Triangle Shopping Center is a very small system (500 people or fewer). Howard County has 87 active public water systems. Its population served is well below the county average of 3,556 people per system, and accounts for less than 0.1% of the 309,341 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Ten Oaks Triangle Shopping Center is about 19% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Maryland has 2,079 active transient non-community water systems, 69% 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 Ten Oaks Triangle Shopping Center?
EPA lists Ten Oaks Triangle 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. 62 of the 87 active systems in Howard County (71%) are also privately owned.
Does Ten Oaks Triangle Shopping Center have drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in September 2011. The violations listed here began between September 2010 and September 2011. By type: 3 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2011-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
| 2010-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
All 3 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.
Ten Oaks Triangle Shopping Center: frequently asked questions
Who runs Ten Oaks Triangle Shopping Center?
Ten Oaks Triangle Shopping Center (PWSID MD1131322) is a transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Ten Oaks Triangle Shopping Center serve?
Ten Oaks Triangle Shopping Center reports serving 116 people through 1 service connection in Howard County, Maryland.
Where does Ten Oaks Triangle 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 Ten Oaks Triangle Shopping Center have any drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in September 2011. 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 Ten Oaks Triangle 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 3 violations for this system; all are health-based, and the most recent began in September 2011. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Ten Oaks Triangle Shopping Center's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Ten Oaks Triangle Shopping Center is a 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 Howard County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Howard County D.P.W. Distribution | Howard | 286,158 | Community | Purchased surface water |
| Glenelg High School | Howard | 1,532 | Non-transient non-community | Groundwater |
| Bushy Park Es/Glenwood Ms Complex | Howard | 1,500 | Non-transient non-community | Groundwater |
| Highs of Cooksville | Howard | 1,321 | Transient non-community | Groundwater |
| Royal Farms Store | Howard | 1,015 | Transient non-community | Groundwater |
| Glenelg Country School | Howard | 950 | 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, “Ten Oaks Triangle Shopping Center, PWSID MD1131322, Maryland”, https://aquacensus.com/water-systems/maryland/ten-oaks-triangle-shopping-center-md1131322 (data as of October 1, 2026).