Skip to content
AquaCensus

Public water system · CT0850094

Active

Monroe Amoco (G & M Auto)

At a glance

Monroe Amoco (G & M Auto) (PWSID CT0850094) is an active transient non-community water system in Fairfield County, Connecticut. It reports serving 25 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 September 2024.

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

PWSIDCT0850094
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedMonroe
StateConnecticut
ZIP—
CountyFairfield County

How does Monroe Amoco (G & M Auto) compare with other water systems in Fairfield County?

By EPA's size categories, Monroe Amoco (G & M Auto) is a very small system (500 people or fewer). Fairfield County has 337 active public water systems. Its population served is well below the county average of 2,311 people per system, and accounts for less than 0.1% of the 778,730 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 Monroe Amoco (G & M Auto) is well 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 Monroe Amoco (G & M Auto)?

EPA lists Monroe Amoco (G & M Auto) 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. 286 of the 337 active systems in Fairfield County (85%) are also privately owned.

Does Monroe Amoco (G & M Auto) have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2024. The violations listed here began between October 2020 and September 2024. By type: 7 monitoring and reporting, 3 monitoring and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is E. coli (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
2024-09-01Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19E. colicode 3014NoResolved
2024-03-15Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-03-15Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2023-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-09-01Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19E. colicode 3014NoResolved
2022-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-03-01Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19E. colicode 3014NoResolved
2020-11-01Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19E. colicode 3014NoResolved
2020-10-01Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19E. colicode 3014NoResolved

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.

Monroe Amoco (G & M Auto): frequently asked questions

Who runs Monroe Amoco (G & M Auto)?

Monroe Amoco (G & M Auto) (PWSID CT0850094) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does Monroe Amoco (G & M Auto) serve?

Monroe Amoco (G & M Auto) reports serving 25 people through 1 service connection in Fairfield County, Connecticut.

Where does Monroe Amoco (G & M Auto) 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 Monroe Amoco (G & M Auto) 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 September 2024. 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 Monroe Amoco (G & M Auto)'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, none is health-based, and the most recent began in September 2024. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find Monroe Amoco (G & M Auto)'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Monroe Amoco (G & M Auto) 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 Fairfield County

Water systemCountyPopulation servedTypeSource
Aquarion-Eastern Fairfield CountyFairfield351,756CommunitySurface water
Aquarion-StamfordFairfield119,214CommunitySurface water
Danbury Water DepartmentFairfield62,055CommunitySurface water
Aquarion-GreenwichFairfield53,297CommunitySurface water
South Norwalk Electric & WaterFairfield42,000CommunitySurface water
Norwalk First Taxing DistrictFairfield40,256CommunitySurface water

Related pages

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.

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, “Monroe Amoco (G & M Auto), PWSID CT0850094, Connecticut”, https://aquacensus.com/water-systems/connecticut/monroe-amoco-g-m-auto-ct0850094 (data as of October 1, 2026).