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Public water system · IA3870073

Active

Reinbeck Water Supply

At a glance

Reinbeck Water Supply (PWSID IA3870073) is an active community water system in Grundy County, Iowa. It reports serving 1,662 people through 820 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in May 2024.

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

Population served

1,662

Service connections

820

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIA3870073
System typeCommunity water system
Activity statusActive
Population served1,662
Service connections820
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedReinbeck
StateIowa
ZIP—
CountyGrundy County

How does Reinbeck Water Supply compare with other water systems in Grundy County?

By EPA's size categories, Reinbeck Water Supply is a small system (501 to 3,300 people). Grundy County has 8 active public water systems, and Reinbeck Water Supply is the 2nd-largest of them by population served. Its population served is about 62% above the county average of 1,026 people per system, and accounts for 20% of the 8,205 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 Reinbeck 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. 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 Reinbeck Water Supply?

EPA lists Reinbeck 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. 8 of the 8 active systems in Grundy County (100%) are also owned by a local government.

Does Reinbeck Water Supply have drinking water violations?

EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in May 2024. The violations listed here began between July 2005 and May 2024. By type: 4 monitoring and reporting, 1 monitoring, 1 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 7 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
2024-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2018-10-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2010-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2010-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved

All 7 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.

Reinbeck Water Supply: frequently asked questions

Who runs Reinbeck Water Supply?

Reinbeck Water Supply (PWSID IA3870073) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Reinbeck Water Supply serve?

Reinbeck Water Supply reports serving 1,662 people through 820 service connections in Grundy County, Iowa.

Where does Reinbeck Water Supply 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 Reinbeck Water Supply have any drinking water violations?

EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in May 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 Reinbeck 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 7 violations for this system; 1 is health-based, and the most recent began in May 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

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

As a community water system, Reinbeck 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 Grundy County

Water systemCountyPopulation servedTypeSource
Grundy Center Water SupplyGrundy2,796CommunityPurchased groundwater
Dike Water SupplyGrundy1,306CommunityPurchased groundwater
Conrad Water SupplyGrundy1,098CommunityPurchased groundwater
Wellsburg Water SupplyGrundy721CommunityPurchased groundwater
Holland Water SupplyGrundy270CommunityPurchased groundwater
Stout Water SupplyGrundy191CommunityGroundwater

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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, “Reinbeck Water Supply, PWSID IA3870073, Iowa”, https://aquacensus.com/water-systems/iowa/reinbeck-water-supply-ia3870073 (data as of October 1, 2026).