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Public water system · DE0000433

Active

Holts Landing State Park

At a glance

Holts Landing State Park (PWSID DE0000433) is an active transient non-community water system in Sussex County, Delaware. It reports serving 50 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 2 violations for this system; all are health-based, and the most recent began in July 2011.

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

Population served

50

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDDE0000433
System typeTransient non-community water system
Activity statusActive
Population served50
Service connections2
Primary water sourceGroundwater
Owner typeState government
Primacy agencyDE state drinking water program
City servedMillville
StateDelaware
ZIP—
CountySussex County

How does Holts Landing State Park compare with other water systems in Sussex County?

By EPA's size categories, Holts Landing State Park 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 Holts Landing State Park is about 65% 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 Holts Landing State Park?

EPA lists Holts Landing State Park 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 Holts Landing State Park have drinking water violations?

EPA's records list 2 violations for this system; all are health-based, and the most recent began in July 2011. The violations listed here began between April 2004 and July 2011. By type: 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (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.

BeganViolationContaminant or ruleHealth-basedStatus
2011-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Holts Landing State Park: frequently asked questions

Who runs Holts Landing State Park?

Holts Landing State Park (PWSID DE0000433) 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 Holts Landing State Park serve?

Holts Landing State Park reports serving 50 people through 2 service connections in Sussex County, Delaware.

Where does Holts Landing State Park 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 Holts Landing State Park have any drinking water violations?

EPA's records list 2 violations for this system; all are health-based, and the most recent began in July 2011. 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 Holts Landing State Park'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 2 violations for this system; all are health-based, and the most recent began in July 2011. For current results, consult EPA ECHO, or the DE state drinking water program.

Where can I find Holts Landing State Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Holts Landing State Park 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 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, “Holts Landing State Park, PWSID DE0000433, Delaware”, https://aquacensus.com/water-systems/delaware/holts-landing-state-park-de0000433 (data as of October 1, 2026).