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Public water system · IA0733084

Active

Gilbertville Water Works

At a glance

Gilbertville Water Works (PWSID IA0733084) is an active community water system in Black Hawk County, Iowa. It reports serving 796 people through 348 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2018.

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

Population served

796

Service connections

348

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIA0733084
System typeCommunity water system
Activity statusActive
Population served796
Service connections348
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedGilbertville
StateIowa
ZIP—
CountyBlack Hawk County

How does Gilbertville Water Works compare with other water systems in Black Hawk County?

By EPA's size categories, Gilbertville Water Works is a small system (501 to 3,300 people). Black Hawk County has 18 active public water systems. Its population served is well below the county average of 6,856 people per system, and accounts for 0.6% of the 123,407 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 Gilbertville Water Works 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. 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 Gilbertville Water Works?

EPA lists Gilbertville Water Works 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 18 active systems in Black Hawk County (56%) are also owned by a local government.

Does Gilbertville Water Works have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2018. The violations listed here began between October 1985 and November 2018. By type: 10 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2018-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1994-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1992-07-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1990-01-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
1988-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1988-04-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
1985-10-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved
1985-10-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
1985-10-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
1985-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1985-10-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved

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.

Gilbertville Water Works: frequently asked questions

Who runs Gilbertville Water Works?

Gilbertville Water Works (PWSID IA0733084) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Gilbertville Water Works serve?

Gilbertville Water Works reports serving 796 people through 348 service connections in Black Hawk County, Iowa.

Where does Gilbertville Water Works 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 Gilbertville Water Works 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 November 2018. 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 Gilbertville Water Works' 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 November 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Gilbertville Water Works' water quality report?

As a community water system, Gilbertville Water Works 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 Black Hawk County

Water systemCountyPopulation servedTypeSource
Waterloo Water WorksBlack Hawk69,504CommunityGroundwater
Cedar Falls Municipal Water UtilitiesBlack Hawk40,713CommunityGroundwater
Evansdale Water WorksBlack Hawk4,561CommunityGroundwater
Hudson Water SupplyBlack Hawk2,546CommunityPurchased groundwater
La Porte City UtilitiesBlack Hawk2,284CommunityGroundwater
Elk Run Heights Water SupplyBlack Hawk1,069CommunityPurchased groundwater

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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, “Gilbertville Water Works, PWSID IA0733084, Iowa”, https://aquacensus.com/water-systems/iowa/gilbertville-water-works-ia0733084 (data as of October 1, 2026).