Public water system · MD1090018

Active

Horn Point Lab. - Ctr. for Env. Science

At a glance

Horn Point Lab. - Ctr. for Env. Science (PWSID MD1090018) is an active non-transient non-community water system in Dorchester County, Maryland. It reports serving 125 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2023.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

125

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMD1090018

System typeNon-transient non-community water system

Activity statusActive

Population served125

Service connections1

Primary water sourceGroundwater

Owner typeState government

Primacy agencyMD state drinking water program

City served—

StateMaryland

ZIP—

CountyDorchester County

How does Horn Point Lab. - Ctr. for Env. Science compare with other water systems in Dorchester County?

By EPA's size categories, Horn Point Lab. - Ctr. for Env. Science is a very small system (500 people or fewer). Dorchester County has 70 active public water systems. Its population served is about 64% below the county average of 351 people per system, and accounts for 0.5% of the 24,534 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 Horn Point Lab. - Ctr. for Env. Science 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 Horn Point Lab. - Ctr. for Env. Science?

EPA lists Horn Point Lab. - Ctr. for Env. Science as owned by a state 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. 3 of the 70 active systems in Dorchester County (4.3%) are also owned by a state government.

Does Horn Point Lab. - Ctr. for Env. Science have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2023. The violations listed here began between April 1994 and July 2023. By type: 6 monitoring and reporting, 3 monitoring and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 10 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
2023-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2023-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Archived
2023-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2022-10-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2013-12-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2013-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2012-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2009-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2005-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
1999-06-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1998-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
1994-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	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.

Horn Point Lab. - Ctr. for Env. Science: frequently asked questions

Who runs Horn Point Lab. - Ctr. for Env. Science?

Horn Point Lab. - Ctr. for Env. Science (PWSID MD1090018) is a non-transient non-community water system owned by a state government. It is regulated by the MD state drinking water program.

How many people does Horn Point Lab. - Ctr. for Env. Science serve?

Horn Point Lab. - Ctr. for Env. Science reports serving 125 people through 1 service connection in Dorchester County, Maryland.

Where does Horn Point Lab. - Ctr. for Env. Science 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 Horn Point Lab. - Ctr. for Env. Science have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2023. 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 Horn Point Lab. - Ctr. for Env. Science'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, 3 are health-based, and the most recent began in July 2023. For current results, consult EPA ECHO, or the MD state drinking water program.

Where can I find Horn Point Lab. - Ctr. for Env. Science's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Horn Point Lab. - Ctr. for Env. Science 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 Dorchester County

Water system	County	Population served	Type	Source
City of Cambridge Water	Dorchester	15,000	Community	Groundwater
Town of Hurlock	Dorchester	2,150	Community	Groundwater
N. Dorchester Middle & High Schools	Dorchester	1,500	Non-transient non-community	Groundwater
Town of Secretary	Dorchester	535	Community	Groundwater
Town of Vienna	Dorchester	460	Community	Groundwater
Town of East New Market	Dorchester	400	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, “Horn Point Lab. - Ctr. for Env. Science, PWSID MD1090018, Maryland”, https://aquacensus.com/water-systems/maryland/horn-point-lab-ctr-for-env-science-md1090018 (data as of October 1, 2026).