Public water system · MD1131108
ActiveMt. Zion Um Church and Preschool
At a glance
Mt. Zion Um Church and Preschool (PWSID MD1131108) is an active non-transient non-community water system in Howard County, Maryland. It reports serving 47 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
47
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Mt. Zion Um Church and Preschool compare with other water systems in Howard County?
By EPA's size categories, Mt. Zion Um Church and Preschool 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 non-transient non-community water system reports serving 430 people, so Mt. Zion Um Church and Preschool 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 Mt. Zion Um Church and Preschool?
EPA lists Mt. Zion Um Church and Preschool 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 Mt. Zion Um Church and Preschool have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2020. The violations listed here began between January 2017 and January 2020. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2019-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The 12 most recent 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.
Mt. Zion Um Church and Preschool: frequently asked questions
Who runs Mt. Zion Um Church and Preschool?
Mt. Zion Um Church and Preschool (PWSID MD1131108) is a non-transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Mt. Zion Um Church and Preschool serve?
Mt. Zion Um Church and Preschool reports serving 47 people through 1 service connection in Howard County, Maryland.
Where does Mt. Zion Um Church and Preschool 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 Mt. Zion Um Church and Preschool have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 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 Mt. Zion Um Church and Preschool'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Mt. Zion Um Church and Preschool's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mt. Zion Um Church and Preschool 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 |
| 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 |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Mt. Zion Um Church and Preschool, PWSID MD1131108, Maryland”, https://aquacensus.com/water-systems/maryland/mt-zion-um-church-and-preschool-md1131108 (data as of October 1, 2026).