Public water system · DE0000857
ActiveDe-Lux Dairy Market - Seaford
At a glance
De-Lux Dairy Market - Seaford (PWSID DE0000857) is an active transient non-community water system in Sussex County, Delaware. It reports serving 916 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; all are health-based, and the most recent began in June 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
916
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does De-Lux Dairy Market - Seaford compare with other water systems in Sussex County?
By EPA's size categories, De-Lux Dairy Market - Seaford is a small system (501 to 3,300 people). Sussex County has 246 active public water systems. Its population served is about 41% below the county average of 1,556 people per system, and accounts for 0.2% 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 transient non-community water system reports serving 144 people, so De-Lux Dairy Market - Seaford is about 6.4 times that figure.
What does “transient non-community water system” mean?
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. Delaware has 193 active transient non-community water systems, 39% 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 De-Lux Dairy Market - Seaford?
EPA lists De-Lux Dairy Market - Seaford 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 De-Lux Dairy Market - Seaford have drinking water violations?
EPA's records list 9 violations for this system; all are health-based, and the most recent began in June 2019. The violations listed here began between April 1993 and June 2019. By type: 9 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (8 of them). EPA lists 8 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-06-20 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 2018-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 2011-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 2008-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 1993-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Archived |
| 1993-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
All 9 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.
De-Lux Dairy Market - Seaford: frequently asked questions
Who runs De-Lux Dairy Market - Seaford?
De-Lux Dairy Market - Seaford (PWSID DE0000857) is a transient non-community water system privately owned. It is regulated by the DE state drinking water program.
How many people does De-Lux Dairy Market - Seaford serve?
De-Lux Dairy Market - Seaford reports serving 916 people through 1 service connection in Sussex County, Delaware.
Where does De-Lux Dairy Market - Seaford 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 De-Lux Dairy Market - Seaford have any drinking water violations?
EPA's records list 9 violations for this system; all are health-based, and the most recent began in June 2019. 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 De-Lux Dairy Market - Seaford'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 9 violations for this system; all are health-based, and the most recent began in June 2019. For current results, consult EPA ECHO, or the DE state drinking water program.
Where can I find De-Lux Dairy Market - Seaford's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. De-Lux Dairy Market - Seaford is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
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, “De-Lux Dairy Market - Seaford, PWSID DE0000857, Delaware”, https://aquacensus.com/water-systems/delaware/de-lux-dairy-market-seaford-de0000857 (data as of October 1, 2026).