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Public water system · IA3126438

Active

Massey Marina

At a glance

Massey Marina (PWSID IA3126438) is an active transient non-community water system in Dubuque County, Iowa. It reports serving 100 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 2002.

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

Population served

100

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIA3126438
System typeTransient non-community water system
Activity statusActive
Population served100
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedDubuque
StateIowa
ZIP—
CountyDubuque County

How does Massey Marina compare with other water systems in Dubuque County?

By EPA's size categories, Massey Marina is a very small system (500 people or fewer). Dubuque County has 74 active public water systems. Its population served is well below the county average of 1,255 people per system, and accounts for 0.1% of the 92,853 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Massey Marina is about 31% 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. Iowa has 626 active transient non-community water systems, 34% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.

Who owns and regulates Massey Marina?

EPA lists Massey Marina as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 22 of the 74 active systems in Dubuque County (30%) are also owned by a local government.

Does Massey Marina have drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 2002. The violations listed here began between October 1992 and July 2002. By type: 4 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 6 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
2002-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2002-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
1998-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1998-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1993-07-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1992-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 6 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.

Massey Marina: frequently asked questions

Who runs Massey Marina?

Massey Marina (PWSID IA3126438) is a transient non-community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Massey Marina serve?

Massey Marina reports serving 100 people through 1 service connection in Dubuque County, Iowa.

Where does Massey Marina 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 Massey Marina have any drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 2002. 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 Massey Marina'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 6 violations for this system; 2 are health-based, and the most recent began in July 2002. For current results, consult EPA ECHO, or the IA state drinking water program.

Where can I find Massey Marina's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Massey Marina 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 Dubuque County

Water systemCountyPopulation servedTypeSource
Dubuque Water WorksDubuque59,667CommunityGroundwater
Asbury Municipal Water SystemDubuque5,943CommunityGroundwater
Dyersville Municipal Water CoDubuque4,477CommunityGroundwater
John Deere Dubuque WorksDubuque3,000Non-transient non-communityGroundwater
Cascade Municipal Water SupplyDubuque2,386CommunityGroundwater
Peosta Water SupplyDubuque2,278CommunityGroundwater

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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, “Massey Marina, PWSID IA3126438, Iowa”, https://aquacensus.com/water-systems/iowa/massey-marina-ia3126438 (data as of October 1, 2026).