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Public water system · IA6471063

Active

Melbourne Water Supply

At a glance

Melbourne Water Supply (PWSID IA6471063) is an active community water system in Marshall County, Iowa. It reports serving 765 people through 360 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in August 2008.

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

Population served

765

Service connections

360

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDIA6471063
System typeCommunity water system
Activity statusActive
Population served765
Service connections360
Primary water sourcePurchased groundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedMelbourne
StateIowa
ZIP—
CountyMarshall County

How does Melbourne Water Supply compare with other water systems in Marshall County?

By EPA's size categories, Melbourne Water Supply is a small system (501 to 3,300 people). Marshall County has 12 active public water systems, and Melbourne Water Supply is the 4th-largest of them by population served. Its population served is well below the county average of 2,802 people per system, and accounts for 2.3% of the 33,628 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Melbourne Water Supply 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. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 156 Iowa systems (8.5%) list purchased groundwater as their primary source.

Who owns and regulates Melbourne Water Supply?

EPA lists Melbourne Water Supply 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. 10 of the 12 active systems in Marshall County (83%) are also owned by a local government.

Does Melbourne Water Supply have drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in August 2008. The violations listed here began between July 1979 and August 2008. By type: 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2008-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1991-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1979-07-31Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Fluoridecode 1025YesArchived

All 4 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.

Melbourne Water Supply: frequently asked questions

Who runs Melbourne Water Supply?

Melbourne Water Supply (PWSID IA6471063) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Melbourne Water Supply serve?

Melbourne Water Supply reports serving 765 people through 360 service connections in Marshall County, Iowa.

Where does Melbourne Water Supply get its water?

EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.

Does Melbourne Water Supply have any drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in August 2008. 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 Melbourne Water Supply'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 4 violations for this system; 1 is health-based, and the most recent began in August 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Melbourne Water Supply's water quality report?

As a community water system, Melbourne Water Supply 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 Marshall County

Water systemCountyPopulation servedTypeSource
Marshalltown Water WorksMarshall27,680CommunityGroundwater
State Center Muni Water DeptMarshall1,411CommunityGroundwater
Le Grand Water WorksMarshall910CommunityPurchased groundwater
Gilman Water SupplyMarshall582CommunityPurchased groundwater
Sunset VillageMarshall528CommunityPurchased groundwater
Albion Water DepartmentMarshall448CommunityGroundwater

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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, “Melbourne Water Supply, PWSID IA6471063, Iowa”, https://aquacensus.com/water-systems/iowa/melbourne-water-supply-ia6471063 (data as of October 1, 2026).