Public water system · NC0351166

Active

Willowbrook Development

At a glance

Willowbrook Development (PWSID NC0351166) is an active community water system in Johnston County, North Carolina. It reports serving 432 people through 170 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2007.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

432

Service connections

170

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDNC0351166

System typeCommunity water system

Activity statusActive

Population served432

Service connections170

Primary water sourcePurchased surface water

Owner typePrivate

Primacy agencyNC state drinking water program

City servedClayton

StateNorth Carolina

ZIP—

CountyJohnston County

How does Willowbrook Development compare with other water systems in Johnston County?

By EPA's size categories, Willowbrook Development is a very small system (500 people or fewer). Johnston County has 54 active public water systems. Its population served is well below the county average of 3,982 people per system, and accounts for 0.2% of the 214,999 people reported by systems filed under the county. Across North Carolina, the 5,087 active systems average 1,971 people each. Nationally, the average active community water system reports serving 6,703 people, so Willowbrook Development 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. North Carolina has 2,031 active community water systems, 40% of the state's 5,087 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 331 North Carolina systems (6.5%) list purchased surface water as their primary source.

Who owns and regulates Willowbrook Development?

EPA lists Willowbrook Development as privately owned. The NC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 37 of the 54 active systems in Johnston County (69%) are also privately owned.

Does Willowbrook Development have drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2007. The violations listed here began between January 1992 and July 2007. By type: 8 contaminant level above the legal limit, 2 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Combined Radium (-226 and -228) (8 of them). EPA lists 12 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
2007-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Combined Radium (-226 and -228)code 4010	Yes	Resolved
2007-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Combined Radium (-226 and -228)code 4010	Yes	Resolved
2007-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Combined Radium (-226 and -228)code 4010	Yes	Resolved
2007-01-01	Monitoring and reportingMonitoring, Regular · code 03	Combined Radium (-226 and -228)code 4010	No	Resolved
2006-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Combined Radium (-226 and -228)code 4010	Yes	Resolved
2006-09-29	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2006-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Combined Radium (-226 and -228)code 4010	Yes	Resolved
2006-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Combined Radium (-226 and -228)code 4010	Yes	Resolved
2006-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Combined Radium (-226 and -228)code 4010	Yes	Resolved
2003-06-19	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved
2003-05-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1992-01-01	Monitoring and reportingMonitoring, Regular · code 03	Fluoridecode 1025	No	Resolved

The 12 most recent 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.

Willowbrook Development: frequently asked questions

Who runs Willowbrook Development?

Willowbrook Development (PWSID NC0351166) is a community water system privately owned. It is regulated by the NC state drinking water program.

How many people does Willowbrook Development serve?

Willowbrook Development reports serving 432 people through 170 service connections in Johnston County, North Carolina.

Where does Willowbrook Development get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Willowbrook Development have any drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2007. 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 Willowbrook Development'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. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the NC state drinking water program.

Where can I find Willowbrook Development's water quality report?

As a community water system, Willowbrook Development 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 Johnston County

Water system	County	Population served	Type	Source
Johnston Co-West	Johnston	99,027	Community	Surface water
Clayton, Town of	Johnston	30,876	Community	Purchased surface water
Johnston Co-East	Johnston	25,212	Community	Surface water
Smithfield, Town of	Johnston	12,900	Community	Surface water
Flowers Plantation	Johnston	11,643	Community	Purchased surface water
Selma, Town of	Johnston	6,190	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, “Willowbrook Development, PWSID NC0351166, North Carolina”, https://aquacensus.com/water-systems/north-carolina/willowbrook-development-nc0351166 (data as of October 1, 2026).