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Public water system · CT0760104

Active

Summer Hill Nurseries

At a glance

Summer Hill Nurseries (PWSID CT0760104) is an active non-transient non-community water system in New Haven County, Connecticut. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2020.

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

Population served

50

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCT0760104
System typeNon-transient non-community water system
Activity statusActive
Population served50
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedMadison
StateConnecticut
ZIP—
CountyNew Haven County

How does Summer Hill Nurseries compare with other water systems in New Haven County?

By EPA's size categories, Summer Hill Nurseries 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 non-transient non-community water system reports serving 430 people, so Summer Hill Nurseries is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Connecticut has 483 active non-transient non-community water systems, 20% of the state's 2,363 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,263 Connecticut systems (96%) list groundwater as their primary source.

Who owns and regulates Summer Hill Nurseries?

EPA lists Summer Hill Nurseries 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 Summer Hill Nurseries have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2020. The violations listed here began between October 2003 and December 2020. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (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.

BeganViolationContaminant or ruleHealth-basedStatus
2020-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2016-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2015-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2014-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2005-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2003-10-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved
2003-10-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2003-10-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoResolved
2003-10-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
2003-10-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved
2003-10-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2003-10-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved

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.

Summer Hill Nurseries: frequently asked questions

Who runs Summer Hill Nurseries?

Summer Hill Nurseries (PWSID CT0760104) is a non-transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Summer Hill Nurseries serve?

Summer Hill Nurseries reports serving 50 people through 1 service connection in New Haven County, Connecticut.

Where does Summer Hill Nurseries 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 Summer Hill Nurseries have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2020. 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 Summer Hill Nurseries' 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, none is health-based, and the most recent began in December 2020. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find Summer Hill Nurseries' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Summer Hill Nurseries is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

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, “Summer Hill Nurseries, PWSID CT0760104, Connecticut”, https://aquacensus.com/water-systems/connecticut/summer-hill-nurseries-ct0760104 (data as of October 1, 2026).