Public water system · DE0000465
ActiveSwann Keys
At a glance
Swann Keys (PWSID DE0000465) is an active community water system in Sussex County, Delaware. It reports serving 1,764 people through 596 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2001.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,764
Service connections
596
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Swann Keys compare with other water systems in Sussex County?
By EPA's size categories, Swann Keys is a small system (501 to 3,300 people). Sussex County has 246 active public water systems. Its population served is about 13% above the county average of 1,556 people per system, and accounts for 0.5% of the 382,753 people reported by systems filed under the county. Across Delaware, the 494 active systems average 2,238 people each. Nationally, the average active community water system reports serving 6,703 people, so Swann Keys 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. Delaware has 219 active community water systems, 44% of the state's 494 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 459 Delaware systems (93%) list groundwater as their primary source.
Who owns and regulates Swann Keys?
EPA lists Swann Keys as privately owned. The DE state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 215 of the 246 active systems in Sussex County (87%) are also privately owned.
Does Swann Keys have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2001. The violations listed here began between July 2000 and July 2001. By type: 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2001-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2000-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 2 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.
Swann Keys: frequently asked questions
Who runs Swann Keys?
Swann Keys (PWSID DE0000465) is a community water system privately owned. It is regulated by the DE state drinking water program.
How many people does Swann Keys serve?
Swann Keys reports serving 1,764 people through 596 service connections in Sussex County, Delaware.
Where does Swann Keys 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 Swann Keys have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2001. 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 Swann Keys' 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 2 violations for this system; none is health-based, and the most recent began in July 2001. For current results, consult the system's annual water quality report, EPA ECHO, or the DE state drinking water program.
Where can I find Swann Keys' water quality report?
As a community water system, Swann Keys 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 Sussex County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rehoboth Pump District (Tui) | Sussex | 81,417 | Community | Groundwater |
| Bethany Bay Pump District | Sussex | 51,000 | Community | Groundwater |
| Dewey Beach Water Department | Sussex | 31,000 | Community | Purchased groundwater |
| Rehoboth Beach Water Department | Sussex | 25,000 | Community | Groundwater |
| Artesian Southern Sussex Regional | Sussex | 18,215 | Community | Groundwater |
| Sussex Shores Water Company | Sussex | 12,450 | 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, “Swann Keys, PWSID DE0000465, Delaware”, https://aquacensus.com/water-systems/delaware/swann-keys-de0000465 (data as of October 1, 2026).