Public water system · NC0351020

Active

Clayton, Town of

At a glance

Town of Clayton (PWSID NC0351020) is an active community water system in Johnston County, North Carolina. It reports serving 30,876 people through 9,744 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 2021.

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

Population served

30,876

Service connections

9,744

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDNC0351020

System typeCommunity water system

Activity statusActive

Population served30,876

Service connections9,744

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyNC state drinking water program

City servedClayton

StateNorth Carolina

ZIP—

CountyJohnston County

How does Town of Clayton compare with other water systems in Johnston County?

By EPA's size categories, Town of Clayton is a large system (10,001 to 100,000 people). Johnston County has 54 active public water systems, and Town of Clayton is the 2nd-largest of them by population served. Its population served is about 7.8 times the county average of 3,982 people per system, and accounts for 14% 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 Town of Clayton is about 4.6 times 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 Town of Clayton?

EPA lists Town of Clayton as owned by a local government. 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. 16 of the 54 active systems in Johnston County (30%) are also owned by a local government.

Does Town of Clayton have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 2021. The violations listed here began between October 1999 and January 2021. By type: 8 public notice, recordkeeping or other, 2 monitoring and reporting, 1 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (6 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
2021-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2018-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2017-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2013-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2007-07-15	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2007-06-21	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2007-06-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2005-01-01	Required treatment not metPublic Education · code 65	Lead and Copper Rulecode 5000	Yes	Resolved
2003-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2001-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2000-02-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
1999-10-19	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	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.

Town of Clayton: frequently asked questions

Who runs Town of Clayton?

Town of Clayton (PWSID NC0351020) is a community water system owned by a local government. It is regulated by the NC state drinking water program.

How many people does Town of Clayton serve?

Town of Clayton reports serving 30,876 people through 9,744 service connections in Johnston County, North Carolina.

Where does Town of Clayton 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 Town of Clayton have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 2021. 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 Town of Clayton'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, 2 are health-based, and the most recent began in January 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the NC state drinking water program.

Where can I find Town of Clayton's water quality report?

As a community water system, Town of Clayton 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
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
Benson, Town of	Johnston	4,802	Community	Purchased surface water

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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, “Clayton, Town of, PWSID NC0351020, North Carolina”, https://aquacensus.com/water-systems/north-carolina/clayton-town-of-nc0351020 (data as of October 1, 2026).