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Public water system · CT0580011

Active

Jewett City Water Company

At a glance

Jewett City Water Company (PWSID CT0580011) is an active community water system in New London County, Connecticut. It reports serving 6,840 people through 1,684 service connections. Its primary water source is surface water, 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 2023.

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

Population served

6,840

Service connections

1,684

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDCT0580011
System typeCommunity water system
Activity statusActive
Population served6,840
Service connections1,684
Primary water sourceSurface water
Owner typePrivate
Primacy agencyCT state drinking water program
City servedGriswold
StateConnecticut
ZIP—
CountyNew London County

How does Jewett City Water Company compare with other water systems in New London County?

By EPA's size categories, Jewett City Water Company is a medium system (3,301 to 10,000 people). New London County has 394 active public water systems. Its population served is about 13 times the county average of 532 people per system, and accounts for 3.3% 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 Company is roughly in line with 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 38 Connecticut systems (1.6%) list surface water as their primary source.

Who owns and regulates Jewett City Water Company?

EPA lists Jewett City Water Company 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 Company 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 2023. The violations listed here began between January 2017 and July 2023. By type: 9 monitoring and reporting, 1 monitoring, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Chlorine (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
2023-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2023-07-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-07-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2022-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2022-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2020-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2018-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2017-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Aldicarbcode 2047NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved

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 Company: frequently asked questions

Who runs Jewett City Water Company?

Jewett City Water Company (PWSID CT0580011) is a community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Jewett City Water Company serve?

Jewett City Water Company reports serving 6,840 people through 1,684 service connections in New London County, Connecticut.

Where does Jewett City Water Company get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Jewett City Water Company 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 2023. 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 Company'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 2023. 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 Company's water quality report?

As a community water system, Jewett City Water Company 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 Company, PWSID CT0580011, Connecticut”, https://aquacensus.com/water-systems/connecticut/jewett-city-water-company-ct0580011 (data as of October 1, 2026).