Public water system · NC0319104

Active

Chatham S/D

At a glance

Chatham S/D (PWSID NC0319104) is an active community water system in Chatham County, North Carolina. It reports serving 365 people through 143 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 January 2009.

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

Population served

365

Service connections

143

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDNC0319104

System typeCommunity water system

Activity statusActive

Population served365

Service connections143

Primary water sourcePurchased surface water

Owner typePrivate

Primacy agencyNC state drinking water program

City servedChapel Hill

StateNorth Carolina

ZIP—

CountyChatham County

How does Chatham S/D compare with other water systems in Chatham County?

By EPA's size categories, Chatham S/D is a very small system (500 people or fewer). Chatham County has 45 active public water systems. Its population served is well below the county average of 1,117 people per system, and accounts for 0.7% of the 50,273 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 Chatham S/D 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 Chatham S/D?

EPA lists Chatham S/D 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. 35 of the 45 active systems in Chatham County (78%) are also privately owned.

Does Chatham S/D have drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in January 2009. The violations listed here began between August 2006 and January 2009. By type: 8 contaminant level above the legal limit and 4 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (5 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
2009-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2008-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2008-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2008-04-06	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2008-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2008-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2008-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2007-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2007-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2006-11-02	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2006-08-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2006-08-05	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	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.

Chatham S/D: frequently asked questions

Who runs Chatham S/D?

Chatham S/D (PWSID NC0319104) is a community water system privately owned. It is regulated by the NC state drinking water program.

How many people does Chatham S/D serve?

Chatham S/D reports serving 365 people through 143 service connections in Chatham County, North Carolina.

Where does Chatham S/D 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 Chatham S/D 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 January 2009. 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 Chatham S/D'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 January 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the NC state drinking water program.

Where can I find Chatham S/D's water quality report?

As a community water system, Chatham S/D 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 Chatham County

Water system	County	Population served	Type	Source
Chatham Co-North	Chatham	23,088	Community	Surface water
Siler City, Town of	Chatham	8,520	Community	Surface water
Pittsboro, Town of	Chatham	6,708	Community	Surface water
Chatham Co-Sw Chatham	Chatham	2,470	Community	Purchased surface water
Chapel Ridge S/D	Chatham	2,098	Community	Purchased surface water
Chatham Co-Asbury	Chatham	1,540	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, “Chatham S/D, PWSID NC0319104, North Carolina”, https://aquacensus.com/water-systems/north-carolina/chatham-s-d-nc0319104 (data as of October 1, 2026).