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Public water system · CT0580051

Active

Jewett City Water Co., S & W System

At a glance

Jewett City Water Co., S & W System (PWSID CT0580051) is an active community water system in New London County, Connecticut. It reports serving 320 people through 83 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022.

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

Population served

320

Service connections

83

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCT0580051
System typeCommunity water system
Activity statusActive
Population served320
Service connections83
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedGriswold
StateConnecticut
ZIP—
CountyNew London County

How does Jewett City Water Co., S & W System compare with other water systems in New London County?

By EPA's size categories, Jewett City Water Co., S & W System is a very small system (500 people or fewer). New London County has 394 active public water systems. Its population served is about 40% below the county average of 532 people per system, and accounts for 0.2% 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 community water system reports serving 6,703 people, so Jewett City Water Co., S & W System 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. 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 Jewett City Water Co., S & W System?

EPA lists Jewett City Water Co., S & W System 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. 320 of the 394 active systems in New London County (81%) are also privately owned.

Does Jewett City Water Co., S & W System have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022. The violations listed here began between July 1992 and July 2022. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Haloacetic acids (HAA5) (2 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
2022-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2018-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2017-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2016-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2016-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2014-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2014-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2003-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1994-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
1992-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Jewett City Water Co., S & W System: frequently asked questions

Who runs Jewett City Water Co., S & W System?

Jewett City Water Co., S & W System (PWSID CT0580051) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Jewett City Water Co., S & W System serve?

Jewett City Water Co., S & W System reports serving 320 people through 83 service connections in New London County, Connecticut.

Where does Jewett City Water Co., S & W System 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 Jewett City Water Co., S & W System have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022. 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 Jewett City Water Co., S & W System'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the CT state drinking water program.

Where can I find Jewett City Water Co., S & W System's water quality report?

As a community water system, Jewett City Water Co., S & W System 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 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, “Jewett City Water Co., S & W System, PWSID CT0580051, Connecticut”, https://aquacensus.com/water-systems/connecticut/jewett-city-water-co-s-w-system-ct0580051 (data as of October 1, 2026).