Skip to content
AquaCensus

Public water system · CT0820014

Active

Calvi Building

Transient non-community water system in Middlesex County, Connecticut, drawing primarily on groundwater.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCT0820014
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedMiddlefield
StateConnecticut
ZIP—
CountyMiddlesex County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2010-09-16Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2010-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2003-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2003-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2003-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2002-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Calvi Building: frequently asked questions

Is Calvi Building's water safe to drink?

Calvi Building is an active transient non-community water system regulated under the Safe Drinking Water Act, overseen by the CT state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Calvi Building?

Calvi Building (PWSID CT0820014) is a private-owned transient non-community water system, regulated by the CT state drinking water program.

How many people does Calvi Building serve?

Calvi Building reports serving 25 people through 1 service connections in Middlesex County, Connecticut.

Where does Calvi Building get its water?

EPA SDWIS lists this system's primary water source as groundwater.

Other water systems in Middlesex County

Water systemCountyPopulation servedTypeSource
Middletown Water DepartmentMiddlesex41,019CommunitySurface water
Cromwell Fire District Water DepartmentMiddlesex14,316CommunityGroundwater
Ctwc - Shoreline Region-Chester SystemMiddlesex5,030CommunitySurface water
Portland Water DepartmentMiddlesex5,010CommunityPurchased surface water
Connecticut Valley HospitalMiddlesex2,928CommunitySurface water
Pratt & WhitneyMiddlesex2,800Non-transient non-communityGroundwater

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.