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Public water system · CT0869054

Active

I-395 Southbound Service Plaza

At a glance

I-395 Southbound Service Plaza (PWSID CT0869054) is an active transient non-community water system in New London County, Connecticut. It reports serving 49 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025.

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

Population served

49

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCT0869054
System typeTransient non-community water system
Activity statusActive
Population served49
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyCT state drinking water program
City servedMontville
StateConnecticut
ZIP—
CountyNew London County

How does I-395 Southbound Service Plaza compare with other water systems in New London County?

By EPA's size categories, I-395 Southbound Service Plaza is a very small system (500 people or fewer). New London County has 394 active public water systems. Its population served is well below the county average of 532 people per system, and accounts for less than 0.1% of the 209,444 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active transient non-community water system reports serving 144 people, so I-395 Southbound Service Plaza is about 66% below that figure.

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

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Connecticut has 1,399 active transient non-community water systems, 59% 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 I-395 Southbound Service Plaza?

EPA lists I-395 Southbound Service Plaza as owned by a state government. 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. 10 of the 394 active systems in New London County (2.5%) are also owned by a state government.

Does I-395 Southbound Service Plaza have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between June 2022 and July 2025. By type: 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is E. coli (2 of them). EPA lists 2 as unaddressed and 1 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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
2025-07-03Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoUnaddressed
2025-07-01MonitoringMonitoring, Additional Routine (RTCR) · code 3BRevised Total Coliform Rulecode 8000NoResolved
2022-06-21Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoUnaddressed

All 3 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.

I-395 Southbound Service Plaza: frequently asked questions

Who runs I-395 Southbound Service Plaza?

I-395 Southbound Service Plaza (PWSID CT0869054) is a transient non-community water system owned by a state government. It is regulated by the CT state drinking water program.

How many people does I-395 Southbound Service Plaza serve?

I-395 Southbound Service Plaza reports serving 49 people through 1 service connection in New London County, Connecticut.

Where does I-395 Southbound Service Plaza 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 I-395 Southbound Service Plaza have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2025. 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 I-395 Southbound Service Plaza'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 3 violations for this system; none is health-based, and the most recent began in July 2025. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find I-395 Southbound Service Plaza's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. I-395 Southbound Service Plaza is a 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 London County

Water systemCountyPopulation servedTypeSource
Norwich Public UtilitiesNew London36,163CommunitySurface water
Groton UtilitiesNew London30,200CommunitySurface water
New London Dept. of Public UtilitiesNew London27,620CommunitySurface water
Waterford WpcaNew London16,578CommunityPurchased surface water
East Lyme Water & Sewer CommissionNew London15,245CommunityPurchased surface water
Aquarion-MysticNew London10,788CommunitySurface 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, “I-395 Southbound Service Plaza, PWSID CT0869054, Connecticut”, https://aquacensus.com/water-systems/connecticut/i-395-southbound-service-plaza-ct0869054 (data as of October 1, 2026).