Public water system · DE0000477
ActiveDelaware State Police Troop 4
At a glance
Delaware State Police Troop 4 (PWSID DE0000477) is an active transient non-community water system in Sussex County, Delaware. It reports serving 35 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2005.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
35
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Delaware State Police Troop 4 compare with other water systems in Sussex County?
By EPA's size categories, Delaware State Police Troop 4 is a very small system (500 people or fewer). Sussex County has 246 active public water systems. Its population served is well below the county average of 1,556 people per system, and accounts for less than 0.1% 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 Delaware State Police Troop 4 is well below 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 Delaware State Police Troop 4?
EPA lists Delaware State Police Troop 4 as owned by a state government. 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. 11 of the 246 active systems in Sussex County (4.5%) are also owned by a state government.
Does Delaware State Police Troop 4 have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2005. The violations listed here began between January 1994 and July 2005. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 3 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2005-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1994-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 1994-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 4 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.
Delaware State Police Troop 4: frequently asked questions
Who runs Delaware State Police Troop 4?
Delaware State Police Troop 4 (PWSID DE0000477) is a transient non-community water system owned by a state government. It is regulated by the DE state drinking water program.
How many people does Delaware State Police Troop 4 serve?
Delaware State Police Troop 4 reports serving 35 people through 2 service connections in Sussex County, Delaware.
Where does Delaware State Police Troop 4 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 Delaware State Police Troop 4 have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2005. 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 Delaware State Police Troop 4'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 4 violations for this system; none is health-based, and the most recent began in July 2005. For current results, consult EPA ECHO, or the DE state drinking water program.
Where can I find Delaware State Police Troop 4's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Delaware State Police Troop 4 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, “Delaware State Police Troop 4, PWSID DE0000477, Delaware”, https://aquacensus.com/water-systems/delaware/delaware-state-police-troop-4-de0000477 (data as of October 1, 2026).