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AquaCensus

Public water system · NC0351173

Active

Heather Downs Mh S/D

At a glance

Heather Downs Mh S/D (PWSID NC0351173) is an active community water system in Johnston County, North Carolina. It reports serving 112 people through 44 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in September 2004.

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

Population served

112

Service connections

44

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNC0351173
System typeCommunity water system
Activity statusActive
Population served112
Service connections44
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNC state drinking water program
City servedClayton
StateNorth Carolina
ZIP—
CountyJohnston County

How does Heather Downs Mh S/D compare with other water systems in Johnston County?

By EPA's size categories, Heather Downs Mh S/D 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 less than 0.1% 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 Heather Downs Mh 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,566 North Carolina systems (90%) list groundwater as their primary source.

Who owns and regulates Heather Downs Mh S/D?

EPA lists Heather Downs Mh 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. 37 of the 54 active systems in Johnston County (69%) are also privately owned.

Does Heather Downs Mh S/D have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in September 2004. The violations listed here began between July 2002 and September 2004. By type: 2 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 4 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
2004-09-20Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoResolved
2004-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2003-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2002-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved

All 4 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.

Heather Downs Mh S/D: frequently asked questions

Who runs Heather Downs Mh S/D?

Heather Downs Mh S/D (PWSID NC0351173) is a community water system privately owned. It is regulated by the NC state drinking water program.

How many people does Heather Downs Mh S/D serve?

Heather Downs Mh S/D reports serving 112 people through 44 service connections in Johnston County, North Carolina.

Where does Heather Downs Mh S/D 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 Heather Downs Mh S/D have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in September 2004. 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 Heather Downs Mh 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. EPA's records list 4 violations for this system; none is health-based, and the most recent began in September 2004. For current results, consult the system's annual water quality report, EPA ECHO, or the NC state drinking water program.

Where can I find Heather Downs Mh S/D's water quality report?

As a community water system, Heather Downs Mh 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 Johnston County

Water systemCountyPopulation servedTypeSource
Johnston Co-WestJohnston99,027CommunitySurface water
Clayton, Town ofJohnston30,876CommunityPurchased surface water
Johnston Co-EastJohnston25,212CommunitySurface water
Smithfield, Town ofJohnston12,900CommunitySurface water
Flowers PlantationJohnston11,643CommunityPurchased surface water
Selma, Town ofJohnston6,190CommunityGroundwater

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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, “Heather Downs Mh S/D, PWSID NC0351173, North Carolina”, https://aquacensus.com/water-systems/north-carolina/heather-downs-mh-s-d-nc0351173 (data as of October 1, 2026).