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Public water system · NC0392251

Active

Cambridge S/D

At a glance

Cambridge S/D (PWSID NC0392251) is an active community water system in Wake County, North Carolina. It reports serving 185 people through 74 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 2002.

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

Population served

185

Service connections

74

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNC0392251
System typeCommunity water system
Activity statusActive
Population served185
Service connections74
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNC state drinking water program
City servedRaleigh
StateNorth Carolina
ZIP—
CountyWake County

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

By EPA's size categories, Cambridge S/D is a very small system (500 people or fewer). Wake County has 441 active public water systems. Its population served is well below the county average of 2,633 people per system, and accounts for less than 0.1% of the 1,161,234 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 Cambridge 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 Cambridge S/D?

EPA lists Cambridge 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. 421 of the 441 active systems in Wake County (95%) are also privately owned.

Does Cambridge S/D have drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 2002. The violations listed here began between July 1985 and July 2002. By type: 8 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Consumer Confidence Rule, Chromium, Cadmium and Fluoride. EPA lists 9 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
2002-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1985-07-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
1985-07-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
1985-07-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved
1985-07-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
1985-07-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1985-07-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved
1985-07-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved
1985-07-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved

All 9 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.

Cambridge S/D: frequently asked questions

Who runs Cambridge S/D?

Cambridge S/D (PWSID NC0392251) is a community water system privately owned. It is regulated by the NC state drinking water program.

How many people does Cambridge S/D serve?

Cambridge S/D reports serving 185 people through 74 service connections in Wake County, North Carolina.

Where does Cambridge 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 Cambridge S/D have any drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 2002. 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 Cambridge 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 9 violations for this system; none is health-based, and the most recent began in July 2002. For current results, consult the system's annual water quality report, EPA ECHO, or the NC state drinking water program.

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

As a community water system, Cambridge 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 Wake County

Water systemCountyPopulation servedTypeSource
Raleigh, City ofWake650,000CommunitySurface water
Cary, Town ofWake227,300CommunitySurface water
Apex, Town ofWake83,001CommunityPurchased surface water
Holly Springs, Town ofWake51,947CommunityPurchased surface water
Fuquay-Varina, Town ofWake42,954CommunityPurchased surface water
Bayleaf MasterWake16,715CommunityGroundwater

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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, “Cambridge S/D, PWSID NC0392251, North Carolina”, https://aquacensus.com/water-systems/north-carolina/cambridge-s-d-nc0392251 (data as of October 1, 2026).