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Anne Arundel County, Maryland — public water systems

At a glance

405 active public water systems are filed under Anne Arundel County, Maryland in EPA's SDWIS records, together reporting 565,834 people served. The largest is Glen Burnie-Broadneck, which reports serving 290,606 people. 26 are community water systems serving people where they live; the other 379 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

405

Population served

565.8K

Community systems

26

Groundwater share

100%

How does Anne Arundel County compare with other Maryland counties?

Anne Arundel County has the most active public water systems among the 60 counties listed for active Maryland systems in EPA records; among the 27 with 3 or more systems, the median has 78. Its systems report 565,834 people served in total, the 3rd-largest county figure in the state and 9.7% of the statewide total. The average system here reports serving 1,397 people, about 28% below the Maryland average of 1,947. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Anne Arundel County's drinking water come from?

By primary water source, Anne Arundel County's active systems draw on groundwater (405, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 97% and 2.6% across Maryland. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Glen Burnie-Broadneck, draws primarily on groundwater.

What kinds of water systems operate in Anne Arundel County?

Anne Arundel County's active systems break down as 26 community systems (6.4%), 60 non-transient non-community systems (15%) and 319 transient non-community systems (79%). 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. 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. 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. EPA lists their owner types as private (89%), local government (10%), federal government (0.5%) and public/private partnership (0.2%).

The 50 largest water systems in Anne Arundel County

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Active public water systems in Anne Arundel County, Maryland
#Water systemCountyPopulation servedTypeSource
1Glen Burnie-BroadneckAnne Arundel290,606CommunityGroundwater
2Crofton-OdentonAnne Arundel62,986CommunityGroundwater
3Fort George G. MeadeAnne Arundel62,234CommunityGroundwater
4City of AnnapolisAnne Arundel35,000CommunityGroundwater
5Broad CreekAnne Arundel26,033CommunityGroundwater
6U.S. Naval AcademyAnne Arundel8,700CommunityGroundwater
7Maryland American Water--Severn SystemAnne Arundel5,447CommunityGroundwater
8Chesapeake ComplexAnne Arundel4,785Non-transient non-communityGroundwater
9The ProvincesAnne Arundel3,991CommunityGroundwater
10Lake Village TownhomesAnne Arundel2,400CommunityGroundwater
11Herald HarborAnne Arundel2,241CommunityGroundwater
12Fort Smallwood ParkAnne Arundel1,646Transient non-communityGroundwater
13Royal Farms #206Anne Arundel1,473Transient non-communityGroundwater
14Southern High SchoolAnne Arundel1,400Non-transient non-communityGroundwater
15Crownsville Hospital CenterAnne Arundel1,348CommunityGroundwater
16Boones Mobile EstatesAnne Arundel1,315CommunityGroundwater
17Sherwood Forest Water CompanyAnne Arundel1,200CommunityGroundwater
18Southern Middle SchoolAnne Arundel1,150Non-transient non-communityGroundwater
19Dunkin Donuts--5075 Solomons Island RoadAnne Arundel1,017Transient non-communityGroundwater
20Holiday Mobile Estates, Inc..Anne Arundel900CommunityGroundwater
21Key SchoolAnne Arundel820Non-transient non-communityGroundwater
22Riva Trace Baptist ChurchAnne Arundel815Transient non-communityGroundwater
23Maryland Manor Mobile Home ParkAnne Arundel810CommunityGroundwater
24Royal Farms Store #32Anne Arundel809Transient non-communityGroundwater
25Dunkin DonutsAnne Arundel808Transient non-communityGroundwater
26Dollar General (No. 14630)Anne Arundel800Transient non-communityGroundwater
27Lyons Creek EstatesAnne Arundel750CommunityGroundwater
28Dunkin GambrillsAnne Arundel718Transient non-communityGroundwater
29Davidsonville ElementaryAnne Arundel650Non-transient non-communityGroundwater
30Chesapeake Christian FellowshipAnne Arundel625Non-transient non-communityGroundwater
31The Shoppes at Waysons CornerAnne Arundel615Transient non-communityGroundwater
32Holy Family Cath. ChurchAnne Arundel607Transient non-communityGroundwater
33Angels Food MarketAnne Arundel550Transient non-communityGroundwater
34Shady Side ElementaryAnne Arundel517Non-transient non-communityGroundwater
357-Eleven #28953 and Deale SubwayAnne Arundel517Transient non-communityGroundwater
36Annapolis Area Christian SchoolAnne Arundel510Non-transient non-communityGroundwater
37Highs Dairy Store #17Anne Arundel503Transient non-communityGroundwater
38Severna Park Evangelical PresbyterianAnne Arundel500Transient non-communityGroundwater
39Capitol Raceway, Double Ds DogsAnne Arundel500Transient non-communityGroundwater
40Downs Memorial Park Well # 2Anne Arundel500Transient non-communityGroundwater
41Lothian ElementaryAnne Arundel476Non-transient non-communityGroundwater
42Patuxent Mobile EstatesAnne Arundel450CommunityGroundwater
43St. Andrews SchoolAnne Arundel450Non-transient non-communityGroundwater
44Rockbridge AcademyAnne Arundel425Non-transient non-communityGroundwater
45Yellowfin Steak and Fish HouseAnne Arundel425Transient non-communityGroundwater
46Millersville ElementaryAnne Arundel412Non-transient non-communityGroundwater
47Severna Park Racquet & Fitness ClubAnne Arundel412Transient non-communityGroundwater
48Quiet Waters Park Wells # 1 and # 2Anne Arundel406Transient non-communityGroundwater
49Indian Creek Upper/Middle SchoolAnne Arundel400Non-transient non-communityGroundwater
50Traceys Landing ElementaryAnne Arundel400Non-transient non-communityGroundwater

All other water systems in Anne Arundel County (355)

The remaining active systems filed under Anne Arundel County, largest first, with the population each reports serving.

Anne Arundel County water systems: frequently asked questions

How many public water systems are in Anne Arundel County, Maryland?

EPA's SDWIS records file 405 active public water systems under Anne Arundel County, Maryland: 26 community systems (6.4%), 60 non-transient non-community systems (15%) and 319 transient non-community systems (79%).

Who supplies drinking water in Anne Arundel County, MD?

The largest community water systems filed under Anne Arundel County are Glen Burnie-Broadneck (290,606 people served), Crofton-Odenton (62,986 people served) and Fort George G. Meade (62,234 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Anne Arundel County's drinking water come from groundwater or surface water?

Of the 405 active public water systems in Anne Arundel County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Glen Burnie-Broadneck, uses groundwater.

Where can I find a water quality report for Anne Arundel County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 26 community systems are filed under Anne Arundel County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Anne Arundel County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Maryland water systems

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, “Public water systems in Anne Arundel County, Maryland”, https://aquacensus.com/water-systems/maryland/anne-arundel (data as of October 1, 2026).