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AquaCensus

Public water system · MD0020044

Active

Herald Harbor

At a glance

Herald Harbor (PWSID MD0020044) is an active community water system in Anne Arundel County, Maryland. It reports serving 2,241 people through 859 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2022.

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

Population served

2,241

Service connections

859

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMD0020044
System typeCommunity water system
Activity statusActive
Population served2,241
Service connections859
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountyAnne Arundel County

How does Herald Harbor compare with other water systems in Anne Arundel County?

By EPA's size categories, Herald Harbor is a small system (501 to 3,300 people). Anne Arundel County has 405 active public water systems. Its population served is about 60% above the county average of 1,397 people per system, and accounts for 0.4% of the 565,834 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active community water system reports serving 6,703 people, so Herald Harbor is about 67% below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maryland has 422 active community water systems, 14% 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 Herald Harbor?

EPA lists Herald Harbor 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. 41 of the 405 active systems in Anne Arundel County (10%) are also owned by a local government.

Does Herald Harbor have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2022. The violations listed here began between April 2008 and October 2022. By type: 3 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Lead and Copper Rule, Consumer Confidence Rule, Stage 2 Disinfectants and Disinfection Byproducts Rule and Total coliform bacteria (TCR). EPA lists 4 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.

BeganViolationContaminant or ruleHealth-basedStatus
2022-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2008-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2008-04-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600NoResolved
2008-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 4 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.

Herald Harbor: frequently asked questions

Who runs Herald Harbor?

Herald Harbor (PWSID MD0020044) is a community water system owned by a local government. It is regulated by the MD state drinking water program.

How many people does Herald Harbor serve?

Herald Harbor reports serving 2,241 people through 859 service connections in Anne Arundel County, Maryland.

Where does Herald Harbor 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 Herald Harbor have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2022. 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 Herald Harbor'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 4 violations for this system; none is health-based, and the most recent began in October 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the MD state drinking water program.

Where can I find Herald Harbor's water quality report?

As a community water system, Herald Harbor must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Anne Arundel County

Water systemCountyPopulation servedTypeSource
Glen Burnie-BroadneckAnne Arundel290,606CommunityGroundwater
Crofton-OdentonAnne Arundel62,986CommunityGroundwater
Fort George G. MeadeAnne Arundel62,234CommunityGroundwater
City of AnnapolisAnne Arundel35,000CommunityGroundwater
Broad CreekAnne Arundel26,033CommunityGroundwater
U.S. Naval AcademyAnne Arundel8,700CommunityGroundwater

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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, “Herald Harbor, PWSID MD0020044, Maryland”, https://aquacensus.com/water-systems/maryland/herald-harbor-md0020044 (data as of October 1, 2026).