Public water system · MD1130004
ActiveGlenelg High School
At a glance
Glenelg High School (PWSID MD1130004) is an active non-transient non-community water system in Howard County, Maryland. It reports serving 1,532 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,532
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Glenelg High School compare with other water systems in Howard County?
By EPA's size categories, Glenelg High School is a small system (501 to 3,300 people). Howard County has 87 active public water systems, and Glenelg High School is the 2nd-largest of them by population served. Its population served is about 57% below the county average of 3,556 people per system, and accounts for 0.5% 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 non-transient non-community water system reports serving 430 people, so Glenelg High School is about 3.6 times 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 Glenelg High School?
EPA lists Glenelg High School as owned by a local government. 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. 22 of the 87 active systems in Howard County (25%) are also owned by a local government.
Does Glenelg High School have drinking water violations?
EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in January 2024. The violations listed here began between January 1994 and January 2024. By type: 9 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (6 of them). EPA lists 9 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2002-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-01-01 | Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2000-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1998-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Archived |
| 1994-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Archived |
All 11 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.
Glenelg High School: frequently asked questions
Who runs Glenelg High School?
Glenelg High School (PWSID MD1130004) is a non-transient non-community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does Glenelg High School serve?
Glenelg High School reports serving 1,532 people through 1 service connection in Howard County, Maryland.
Where does Glenelg High School 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 Glenelg High School have any drinking water violations?
EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in January 2024. 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 Glenelg High School'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 11 violations for this system; 2 are health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Glenelg High School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Glenelg High School 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 Howard County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Howard County D.P.W. Distribution | Howard | 286,158 | Community | Purchased surface water |
| 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 |
| Highs of Fulton | Howard | 758 | 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, “Glenelg High School, PWSID MD1130004, Maryland”, https://aquacensus.com/water-systems/maryland/glenelg-high-school-md1130004 (data as of October 1, 2026).