Public water system · MD1031061
ActiveGray and Sons Inc.
At a glance
Gray and Sons Inc. (PWSID MD1031061) is an active transient non-community water system in Baltimore County, Maryland. It reports serving 37 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in May 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
37
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Gray and Sons Inc. compare with other water systems in Baltimore County?
By EPA's size categories, Gray and Sons Inc. is a very small system (500 people or fewer). Baltimore County has 272 active public water systems. Its population served is well below the county average of 168 people per system, and accounts for less than 0.1% of the 45,805 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 Gray and Sons Inc. is well 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 Gray and Sons Inc.?
EPA lists Gray and Sons Inc. 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. 221 of the 272 active systems in Baltimore County (81%) are also privately owned.
Does Gray and Sons Inc. have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in May 2017. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2017-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
The one violation in EPA's records.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.
Gray and Sons Inc.: frequently asked questions
Who runs Gray and Sons Inc.?
Gray and Sons Inc. (PWSID MD1031061) is a transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Gray and Sons Inc. serve?
Gray and Sons Inc. reports serving 37 people through 3 service connections in Baltimore County, Maryland.
Where does Gray and Sons Inc. 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 Gray and Sons Inc. have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in May 2017. 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 Gray and Sons Inc.'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 one violation for this system; it is health-based, and the most recent began in May 2017. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Gray and Sons Inc.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Gray and Sons Inc. 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 Baltimore County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Manor Shopping Center | Baltimore | 2,921 | Non-transient non-community | Purchased surface water |
| Um Saint Joseph Medical Center | Baltimore | 1,515 | Non-transient non-community | Purchased surface water |
| Stevenson University | Baltimore | 1,313 | Non-transient non-community | Groundwater |
| Hereford High School | Baltimore | 1,300 | Non-transient non-community | Groundwater |
| Fork Christian Church | Baltimore | 1,245 | Transient non-community | Groundwater |
| Hereford Middle School | Baltimore | 1,050 | 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, “Gray and Sons Inc., PWSID MD1031061, Maryland”, https://aquacensus.com/water-systems/maryland/gray-and-sons-inc-md1031061 (data as of October 1, 2026).