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Public water system · DE0000521

Active

Carey Estates, LLC

At a glance

Carey Estates, LLC (PWSID DE0000521) is an active community water system in Sussex County, Delaware. It reports serving 312 people through 103 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in January 2019.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

312

Service connections

103

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDDE0000521
System typeCommunity water system
Activity statusActive
Population served312
Service connections103
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyDE state drinking water program
City servedMillsboro
StateDelaware
ZIP—
CountySussex County

How does Carey Estates, LLC compare with other water systems in Sussex County?

By EPA's size categories, Carey Estates, LLC 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 community water system reports serving 6,703 people, so Carey Estates, LLC 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 Carey Estates, LLC?

EPA lists Carey Estates, LLC 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 Carey Estates, LLC have drinking water violations?

EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in January 2019. The violations listed here began between January 1994 and January 2019. By type: 3 contaminant level above the legal limit, 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 5 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.

BeganViolationContaminant or ruleHealth-basedStatus
2019-01-15Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitratecode 1040YesResolved
2018-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitratecode 1040YesResolved
2016-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2007-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1994-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1994-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoUnaddressed

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.

Carey Estates, LLC: frequently asked questions

Who runs Carey Estates, LLC?

Carey Estates, LLC (PWSID DE0000521) is a community water system privately owned. It is regulated by the DE state drinking water program.

How many people does Carey Estates, LLC serve?

Carey Estates, LLC reports serving 312 people through 103 service connections in Sussex County, Delaware.

Where does Carey Estates, LLC 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 Carey Estates, LLC have any drinking water violations?

EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in January 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 Carey Estates, LLC'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; 3 are health-based, and the most recent began in January 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the DE state drinking water program.

Where can I find Carey Estates, LLC's water quality report?

As a community water system, Carey Estates, LLC 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 systemCountyPopulation servedTypeSource
Rehoboth Pump District (Tui)Sussex81,417CommunityGroundwater
Bethany Bay Pump DistrictSussex51,000CommunityGroundwater
Dewey Beach Water DepartmentSussex31,000CommunityPurchased groundwater
Rehoboth Beach Water DepartmentSussex25,000CommunityGroundwater
Artesian Southern Sussex RegionalSussex18,215CommunityGroundwater
Sussex Shores Water CompanySussex12,450CommunityGroundwater

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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, “Carey Estates, LLC, PWSID DE0000521, Delaware”, https://aquacensus.com/water-systems/delaware/carey-estates-llc-de0000521 (data as of October 1, 2026).