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Public water system · CT1080011

Active

Aquarion-Hawkstone

At a glance

Aquarion-Hawkstone (PWSID CT1080011) is an active community water system in New Haven County, Connecticut. It reports serving 120 people through 65 service connections. Its primary water source is purchased surface water, 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 December 2021.

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

Population served

120

Service connections

65

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCT1080011
System typeCommunity water system
Activity statusActive
Population served120
Service connections65
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyCT state drinking water program
City servedOxford
StateConnecticut
ZIP—
CountyNew Haven County

How does Aquarion-Hawkstone compare with other water systems in New Haven County?

By EPA's size categories, Aquarion-Hawkstone is a very small system (500 people or fewer). New Haven County has 212 active public water systems. Its population served is well below the county average of 3,412 people per system, and accounts for less than 0.1% of the 723,334 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active community water system reports serving 6,703 people, so Aquarion-Hawkstone 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. Connecticut has 481 active community water systems, 20% of the state's 2,363 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 52 Connecticut systems (2.2%) list purchased surface water as their primary source.

Who owns and regulates Aquarion-Hawkstone?

EPA lists Aquarion-Hawkstone as privately owned. The CT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 174 of the 212 active systems in New Haven County (82%) are also privately owned.

Does Aquarion-Hawkstone have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2021. The violations listed here began between January 1994 and December 2021. By type: 2 monitoring and reporting and 2 public notice, recordkeeping or other. 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
2021-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2018-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2006-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1994-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

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.

Aquarion-Hawkstone: frequently asked questions

Who runs Aquarion-Hawkstone?

Aquarion-Hawkstone (PWSID CT1080011) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Aquarion-Hawkstone serve?

Aquarion-Hawkstone reports serving 120 people through 65 service connections in New Haven County, Connecticut.

Where does Aquarion-Hawkstone 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 Aquarion-Hawkstone have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 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 Aquarion-Hawkstone'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 December 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the CT state drinking water program.

Where can I find Aquarion-Hawkstone's water quality report?

As a community water system, Aquarion-Hawkstone 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 New Haven County

Water systemCountyPopulation servedTypeSource
Regional Water AuthorityNew Haven418,900CommunitySurface water
Waterbury Water DepartmentNew Haven107,271CommunitySurface water
Meriden Water DivisionNew Haven58,441CommunitySurface water
Wallingford Water DepartmentNew Haven37,267CommunitySurface water
Ctwc - Shoreline Region-Guilford SystemNew Haven33,975CommunitySurface water
Ctwc - Naugatuck Region-Central SystemNew Haven22,735CommunitySurface 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, “Aquarion-Hawkstone, PWSID CT1080011, Connecticut”, https://aquacensus.com/water-systems/connecticut/aquarion-hawkstone-ct1080011 (data as of October 1, 2026).