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Public water system · MD1031291

Active

Hayes Construction Co Inc.

At a glance

Hayes Construction Co Inc. (PWSID MD1031291) is an active transient non-community water system in Baltimore County, Maryland. It reports serving 34 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

34

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMD1031291
System typeTransient non-community water system
Activity statusActive
Population served34
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountyBaltimore County

How does Hayes Construction Co Inc. compare with other water systems in Baltimore County?

By EPA's size categories, Hayes Construction Co 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 Hayes Construction Co 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 Hayes Construction Co Inc.?

EPA lists Hayes Construction Co 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 Hayes Construction Co Inc. have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Hayes Construction Co Inc.. For the latest compliance status, check EPA ECHO for current compliance history.

Hayes Construction Co Inc.: frequently asked questions

Who runs Hayes Construction Co Inc.?

Hayes Construction Co Inc. (PWSID MD1031291) is a transient non-community water system privately owned. It is regulated by the MD state drinking water program.

How many people does Hayes Construction Co Inc. serve?

Hayes Construction Co Inc. reports serving 34 people through 1 service connection in Baltimore County, Maryland.

Where does Hayes Construction Co 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 Hayes Construction Co Inc. have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Hayes Construction Co 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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MD state drinking water program.

Where can I find Hayes Construction Co Inc.'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Hayes Construction Co 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 systemCountyPopulation servedTypeSource
Manor Shopping CenterBaltimore2,921Non-transient non-communityPurchased surface water
Um Saint Joseph Medical CenterBaltimore1,515Non-transient non-communityPurchased surface water
Stevenson UniversityBaltimore1,313Non-transient non-communityGroundwater
Hereford High SchoolBaltimore1,300Non-transient non-communityGroundwater
Fork Christian ChurchBaltimore1,245Transient non-communityGroundwater
Hereford Middle SchoolBaltimore1,050Non-transient non-communityGroundwater

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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, “Hayes Construction Co Inc., PWSID MD1031291, Maryland”, https://aquacensus.com/water-systems/maryland/hayes-construction-co-inc-md1031291 (data as of October 1, 2026).