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
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | City of Cambridge Water | Dorchester | 15,000 | Community | Groundwater |
| 2 | Town of Hurlock | Dorchester | 2,150 | Community | Groundwater |
| 3 | N. Dorchester Middle & High Schools | Dorchester | 1,500 | Non-transient non-community | Groundwater |
| 4 | Town of Secretary | Dorchester | 535 | Community | Groundwater |
| 5 | Town of Vienna | Dorchester | 460 | Community | Groundwater |
| 6 | Town of East New Market | Dorchester | 400 | Community | Groundwater |
| 7 | Bonnie Brook | Dorchester | 390 | Community | Groundwater |
| 8 | Harriet Tubman Freedom Center | Dorchester | 300 | Transient non-community | Groundwater |
| 9 | Lodgecliffe Distribution System | Dorchester | 300 | Community | Purchased groundwater |
| 10 | Taylors Island Campground | Dorchester | 289 | Transient non-community | Groundwater |
| 11 | Bloch & Guggenheimer Co. | Dorchester | 250 | Non-transient non-community | Groundwater |
| 12 | South Dorchester School | Dorchester | 207 | Non-transient non-community | Groundwater |
| 13 | Horn Point Lab. - Ctr. for Env. Science | Dorchester | 125 | Non-transient non-community | Groundwater |
| 14 | Preston Autoplex | Dorchester | 125 | Non-transient non-community | Groundwater |
| 15 | Dorchester Country Estates M.H.P. | Dorchester | 118 | Community | Groundwater |
| 16 | Pep-Up #4 | Dorchester | 87 | Transient non-community | Groundwater |
| 17 | Vision Quest Morning Star Youth Academy | Dorchester | 84 | Non-transient non-community | Groundwater |
| 18 | Beckwith Church | Dorchester | 81 | Transient non-community | Groundwater |
| 19 | Heritage Mobile Home Park | Dorchester | 80 | Community | Groundwater |
| 20 | Palm Beach Willies | Dorchester | 78 | Transient non-community | Groundwater |
| 21 | Cambridge Diner | Dorchester | 75 | Transient non-community | Groundwater |
| 22 | Hoopers Island General Store | Dorchester | 68 | Transient non-community | Groundwater |
| 23 | Koski Trucking Well #1 | Dorchester | 68 | Transient non-community | Groundwater |
| 24 | Koski Trucking Well #3 | Dorchester | 65 | Transient non-community | Groundwater |
| 25 | Camp Thendara 4-H Center | Dorchester | 65 | Transient non-community | Groundwater |
| 26 | Woolford Country Store | Dorchester | 65 | Transient non-community | Groundwater |
| 27 | Days Inn and Suites | Dorchester | 60 | Transient non-community | Groundwater |
| 28 | Cindys Eastside Kitchen | Dorchester | 60 | Transient non-community | Groundwater |
| 29 | Maryland Veterans Commission | Dorchester | 58 | Transient non-community | Groundwater |
| 30 | Lakes and Straits V.F.C. | Dorchester | 55 | Transient non-community | Groundwater |
| 31 | Eldorado Food Mart | Dorchester | 55 | Transient non-community | Groundwater |
| 32 | Warwick Manor Behavioral Health | Dorchester | 52 | Non-transient non-community | Groundwater |
| 33 | Cambridge Moose Lodge #1211 | Dorchester | 50 | Transient non-community | Groundwater |
| 34 | Springdale Food Market | Dorchester | 50 | Transient non-community | Groundwater |
| 35 | Countryside Christian Church | Dorchester | 45 | Transient non-community | Groundwater |
| 36 | Williamsburg Country Kitchen | Dorchester | 42 | Transient non-community | Groundwater |
| 37 | Church Creek V.F.C. | Dorchester | 40 | Transient non-community | Groundwater |
| 38 | Bay Country Bakery | Dorchester | 40 | Transient non-community | Groundwater |
| 39 | Tideland Park Campground | Dorchester | 40 | Transient non-community | Groundwater |
| 40 | Eldorado Brookview Fire Co. | Dorchester | 40 | Transient non-community | Groundwater |
| 41 | A.E. Phillips and Son | Dorchester | 40 | Transient non-community | Groundwater |
| 42 | State Highway Admin. | Dorchester | 40 | Transient non-community | Groundwater |
| 43 | Madison Bay Restaurant and Campground | Dorchester | 40 | Transient non-community | Groundwater |
| 44 | Cambridge Dorchester Airport | Dorchester | 40 | Transient non-community | Groundwater |
| 45 | Linkwood Salem Vol. Fire Co | Dorchester | 40 | Transient non-community | Groundwater |
| 46 | Dorchester Co. Highway Department | Dorchester | 35 | Transient non-community | Groundwater |
| 47 | Cedar Meadows Rod and Gun Club | Dorchester | 35 | Transient non-community | Groundwater |
| 48 | Mt. Pleasant Methodist Church | Dorchester | 31 | Transient non-community | Groundwater |
| 49 | Blackwater Nat. Wildlife Refuge | Dorchester | 30 | Transient non-community | Groundwater |
| 50 | Lindys Seafood | Dorchester | 30 | Transient non-community | Groundwater |
All other water systems in Dorchester County (20)
The remaining active systems filed under Dorchester County, largest first, with the population each reports serving.
- Harriet Tubman Underground Rv Center30
- Emily'S Produce30
- Hoopers Island Vol Fire Co.30
- Old Saltys Restaurant28
- Shiloh Campground27
- Russell Hall Seafood26
- Taylors Island Fire Co.25
- Laytons Chance Winery25
- Winn Transport25
- Soft and Salty25
- Blackwater Wildlife Refuge - Admin25
- Boat N Hose25
- Neck District V.F.C.25
- Rise Up Coffee Cambridge25
- Reliance Market25
- Galestown Community Center25
- Linkwood Mart25
- Neck District Grill25
- Dockside Bar and Palm Beach Willies25
- Madison V.F.C. Inc.25
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
- All Maryland public water systems· 2,992 active
- Queen Anne's County· 92 systems
- Howard County· 87 systems
- Wicomico County· 85 systems
- Washington County· 78 systems
- Garrett County· 67 systems
- Allegany County· 53 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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).