Public water system · MD0020013
ActiveGibson Island
At a glance
Gibson Island (PWSID MD0020013) is an active community water system in Anne Arundel County, Maryland. It reports serving 275 people through 197 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
275
Service connections
197
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Gibson Island compare with other water systems in Anne Arundel County?
By EPA's size categories, Gibson Island is a very small system (500 people or fewer). Anne Arundel County has 405 active public water systems. Its population served is well below the county average of 1,397 people per system, and accounts for less than 0.1% 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 Gibson Island 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 Gibson Island?
EPA lists Gibson Island 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 Gibson Island have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2022. The violations listed here began between July 2008 and October 2022. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Lead and Copper Rule, Nitrate, Selenium and Barium. EPA lists 12 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 |
|---|---|---|---|---|
| 2022-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2008-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | 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.
Gibson Island: frequently asked questions
Who runs Gibson Island?
Gibson Island (PWSID MD0020013) is a community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does Gibson Island serve?
Gibson Island reports serving 275 people through 197 service connections in Anne Arundel County, Maryland.
Where does Gibson Island 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 Gibson Island have any drinking water violations?
Of the 12 most recent violations in EPA's records, 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 Gibson Island'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, 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 Gibson Island's water quality report?
As a community water system, Gibson Island 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Glen Burnie-Broadneck | Anne Arundel | 290,606 | Community | Groundwater |
| Crofton-Odenton | Anne Arundel | 62,986 | Community | Groundwater |
| Fort George G. Meade | Anne Arundel | 62,234 | Community | Groundwater |
| City of Annapolis | Anne Arundel | 35,000 | Community | Groundwater |
| Broad Creek | Anne Arundel | 26,033 | Community | Groundwater |
| U.S. Naval Academy | Anne Arundel | 8,700 | 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, “Gibson Island, PWSID MD0020013, Maryland”, https://aquacensus.com/water-systems/maryland/gibson-island-md0020013 (data as of October 1, 2026).