Public water system · MD0170009
ActiveProspect Bay
At a glance
Prospect Bay (PWSID MD0170009) is an active community water system in Queen Anne's County, Maryland. It reports serving 913 people through 315 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
913
Service connections
315
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Prospect Bay compare with other water systems in Queen Anne's County?
By EPA's size categories, Prospect Bay is a small system (501 to 3,300 people). Queen Anne's County has 92 active public water systems, and Prospect Bay is the 5th-largest of them by population served. Its population served is about 176% above the county average of 331 people per system, and accounts for 3% of the 30,426 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 Prospect Bay is well 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 Prospect Bay?
EPA lists Prospect Bay 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. 19 of the 92 active systems in Queen Anne's County (21%) are also owned by a local government.
Does Prospect Bay have drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2022. The violations listed here began between January 1995 and January 2022. By type: 9 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 9 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 |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2011-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2010-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2008-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 9 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.
Prospect Bay: frequently asked questions
Who runs Prospect Bay?
Prospect Bay (PWSID MD0170009) is a community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does Prospect Bay serve?
Prospect Bay reports serving 913 people through 315 service connections in Queen Anne's County, Maryland.
Where does Prospect Bay 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 Prospect Bay have any drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 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 Prospect Bay'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 9 violations for this system; none is health-based, and the most recent began in January 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 Prospect Bay's water quality report?
As a community water system, Prospect Bay 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 Queen Anne's County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Stevensville | Queen Anne's | 9,155 | Community | Groundwater |
| Town of Centreville | Queen Anne's | 3,322 | Community | Groundwater |
| Bayside-Queenslanding | Queen Anne's | 1,030 | Community | Groundwater |
| Chesapeake College | Queen Anne's | 1,001 | Non-transient non-community | Groundwater |
| Town of Queenstown | Queen Anne's | 705 | Community | Groundwater |
| Bridge Pointe-Kent Island Village | Queen Anne's | 600 | 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, “Prospect Bay, PWSID MD0170009, Maryland”, https://aquacensus.com/water-systems/maryland/prospect-bay-md0170009 (data as of October 1, 2026).