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Dorchester County, Maryland — public water systems

At a glance

70 active public water systems are filed under Dorchester County, Maryland in EPA's SDWIS records, together reporting 24,534 people served. The largest is City of Cambridge Water, which reports serving 15,000 people. 9 are community water systems serving people where they live; the other 61 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

70

Population served

24.5K

Community systems

9

Groundwater share

100%

How does Dorchester County compare with other Maryland counties?

Dorchester County has the 15th-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 24,534 people served in total, the 20th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 351 people, well 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 Dorchester County's drinking water come from?

By primary water source, Dorchester County's active systems draw on groundwater (69, 99%) and purchased groundwater (1, 1.4%). 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, City of Cambridge Water, draws primarily on groundwater.

What kinds of water systems operate in Dorchester County?

Dorchester County's active systems break down as 9 community systems (13%), 7 non-transient non-community systems (10%) and 54 transient non-community systems (77%). 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 (81%), local government (14%) and state government (4.3%).

The 50 largest water systems in Dorchester County

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Active public water systems in Dorchester County, Maryland
#Water systemCountyPopulation servedTypeSource
1City of Cambridge WaterDorchester15,000CommunityGroundwater
2Town of HurlockDorchester2,150CommunityGroundwater
3N. Dorchester Middle & High SchoolsDorchester1,500Non-transient non-communityGroundwater
4Town of SecretaryDorchester535CommunityGroundwater
5Town of ViennaDorchester460CommunityGroundwater
6Town of East New MarketDorchester400CommunityGroundwater
7Bonnie BrookDorchester390CommunityGroundwater
8Harriet Tubman Freedom CenterDorchester300Transient non-communityGroundwater
9Lodgecliffe Distribution SystemDorchester300CommunityPurchased groundwater
10Taylors Island CampgroundDorchester289Transient non-communityGroundwater
11Bloch & Guggenheimer Co.Dorchester250Non-transient non-communityGroundwater
12South Dorchester SchoolDorchester207Non-transient non-communityGroundwater
13Horn Point Lab. - Ctr. for Env. ScienceDorchester125Non-transient non-communityGroundwater
14Preston AutoplexDorchester125Non-transient non-communityGroundwater
15Dorchester Country Estates M.H.P.Dorchester118CommunityGroundwater
16Pep-Up #4Dorchester87Transient non-communityGroundwater
17Vision Quest Morning Star Youth AcademyDorchester84Non-transient non-communityGroundwater
18Beckwith ChurchDorchester81Transient non-communityGroundwater
19Heritage Mobile Home ParkDorchester80CommunityGroundwater
20Palm Beach WilliesDorchester78Transient non-communityGroundwater
21Cambridge DinerDorchester75Transient non-communityGroundwater
22Hoopers Island General StoreDorchester68Transient non-communityGroundwater
23Koski Trucking Well #1Dorchester68Transient non-communityGroundwater
24Koski Trucking Well #3Dorchester65Transient non-communityGroundwater
25Camp Thendara 4-H CenterDorchester65Transient non-communityGroundwater
26Woolford Country StoreDorchester65Transient non-communityGroundwater
27Days Inn and SuitesDorchester60Transient non-communityGroundwater
28Cindys Eastside KitchenDorchester60Transient non-communityGroundwater
29Maryland Veterans CommissionDorchester58Transient non-communityGroundwater
30Lakes and Straits V.F.C.Dorchester55Transient non-communityGroundwater
31Eldorado Food MartDorchester55Transient non-communityGroundwater
32Warwick Manor Behavioral HealthDorchester52Non-transient non-communityGroundwater
33Cambridge Moose Lodge #1211Dorchester50Transient non-communityGroundwater
34Springdale Food MarketDorchester50Transient non-communityGroundwater
35Countryside Christian ChurchDorchester45Transient non-communityGroundwater
36Williamsburg Country KitchenDorchester42Transient non-communityGroundwater
37Church Creek V.F.C.Dorchester40Transient non-communityGroundwater
38Bay Country BakeryDorchester40Transient non-communityGroundwater
39Tideland Park CampgroundDorchester40Transient non-communityGroundwater
40Eldorado Brookview Fire Co.Dorchester40Transient non-communityGroundwater
41A.E. Phillips and SonDorchester40Transient non-communityGroundwater
42State Highway Admin.Dorchester40Transient non-communityGroundwater
43Madison Bay Restaurant and CampgroundDorchester40Transient non-communityGroundwater
44Cambridge Dorchester AirportDorchester40Transient non-communityGroundwater
45Linkwood Salem Vol. Fire CoDorchester40Transient non-communityGroundwater
46Dorchester Co. Highway DepartmentDorchester35Transient non-communityGroundwater
47Cedar Meadows Rod and Gun ClubDorchester35Transient non-communityGroundwater
48Mt. Pleasant Methodist ChurchDorchester31Transient non-communityGroundwater
49Blackwater Nat. Wildlife RefugeDorchester30Transient non-communityGroundwater
50Lindys SeafoodDorchester30Transient non-communityGroundwater

All other water systems in Dorchester County (20)

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

Dorchester County water systems: frequently asked questions

How many public water systems are in Dorchester County, Maryland?

EPA's SDWIS records file 70 active public water systems under Dorchester County, Maryland: 9 community systems (13%), 7 non-transient non-community systems (10%) and 54 transient non-community systems (77%).

Who supplies drinking water in Dorchester County, MD?

The largest community water systems filed under Dorchester County are City of Cambridge Water (15,000 people served), Town of Hurlock (2,150 people served) and Town of Secretary (535 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 Dorchester County's drinking water come from groundwater or surface water?

Of the 70 active public water systems in Dorchester County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Cambridge Water, uses groundwater.

Where can I find a water quality report for Dorchester 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. 9 community systems are filed under Dorchester 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 Dorchester 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 Dorchester County, Maryland”, https://aquacensus.com/water-systems/maryland/dorchester (data as of October 1, 2026).