Public water system · MD0090008
ActiveTown of Vienna
At a glance
Town of Vienna (PWSID MD0090008) is an active community water system in Dorchester County, Maryland. It reports serving 460 people through 265 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
460
Service connections
265
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Town of Vienna compare with other water systems in Dorchester County?
By EPA's size categories, Town of Vienna is a very small system (500 people or fewer). Dorchester County has 70 active public water systems, and Town of Vienna is the 5th-largest of them by population served. Its population served is about 31% above the county average of 351 people per system, and accounts for 1.9% of the 24,534 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 Town of Vienna 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 Town of Vienna?
EPA lists Town of Vienna 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. 10 of the 70 active systems in Dorchester County (14%) are also owned by a local government.
Does Town of Vienna have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2017. The violations listed here began between January 1993 and October 2017. By type: 4 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2017-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1994-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
All 6 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.
Town of Vienna: frequently asked questions
Who runs Town of Vienna?
Town of Vienna (PWSID MD0090008) is a community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does Town of Vienna serve?
Town of Vienna reports serving 460 people through 265 service connections in Dorchester County, Maryland.
Where does Town of Vienna 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 Town of Vienna have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2017. 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 Town of Vienna'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 6 violations for this system; none is health-based, and the most recent began in October 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the MD state drinking water program.
Where can I find Town of Vienna's water quality report?
As a community water system, Town of Vienna 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 Dorchester County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Cambridge Water | Dorchester | 15,000 | Community | Groundwater |
| Town of Hurlock | Dorchester | 2,150 | Community | Groundwater |
| N. Dorchester Middle & High Schools | Dorchester | 1,500 | Non-transient non-community | Groundwater |
| Town of Secretary | Dorchester | 535 | Community | Groundwater |
| Town of East New Market | Dorchester | 400 | Community | Groundwater |
| Bonnie Brook | Dorchester | 390 | 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, “Town of Vienna, PWSID MD0090008, Maryland”, https://aquacensus.com/water-systems/maryland/town-of-vienna-md0090008 (data as of October 1, 2026).