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Public water system · IA1147085

Active

Linn Grove Water Works

At a glance

Linn Grove Water Works (PWSID IA1147085) is an active community water system in Buena Vista County, Iowa. It reports serving 163 people through 95 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in December 2021.

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

Population served

163

Service connections

95

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDIA1147085
System typeCommunity water system
Activity statusActive
Population served163
Service connections95
Primary water sourcePurchased groundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedLinn Grove
StateIowa
ZIP—
CountyBuena Vista County

How does Linn Grove Water Works compare with other water systems in Buena Vista County?

By EPA's size categories, Linn Grove Water Works is a very small system (500 people or fewer). Buena Vista County has 12 active public water systems. Its population served is well below the county average of 1,475 people per system, and accounts for 0.9% of the 17,699 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 Linn Grove 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. 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 Linn Grove Water Works?

EPA lists Linn Grove 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 12 active systems in Buena Vista County (83%) are also owned by a local government.

Does Linn Grove Water Works have drinking water violations?

EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in December 2021. The violations listed here began between September 1979 and December 2021. By type: 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Selenium (2 of them). EPA lists 2 as archived and 1 as resolved. 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. 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
2021-12-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
1979-09-04Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Seleniumcode 1045YesArchived
1979-09-04Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Seleniumcode 1045YesArchived

All 3 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.

Linn Grove Water Works: frequently asked questions

Who runs Linn Grove Water Works?

Linn Grove Water Works (PWSID IA1147085) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Linn Grove Water Works serve?

Linn Grove Water Works reports serving 163 people through 95 service connections in Buena Vista County, Iowa.

Where does Linn Grove Water Works 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 Linn Grove Water Works have any drinking water violations?

EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in December 2021. 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 Linn Grove 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. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in December 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Linn Grove Water Works' water quality report?

As a community water system, Linn Grove 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 Buena Vista County

Water systemCountyPopulation servedTypeSource
Storm Lake Water Treatment PlantBuena Vista11,431CommunityGroundwater
Alta Municipal Water PlantBuena Vista2,087CommunityGroundwater
Sioux Rapids Water DepartmentBuena Vista932CommunityGroundwater
Newell Water Treatment PlantBuena Vista906CommunityGroundwater
Lakeside Water SupplyBuena Vista700CommunityPurchased groundwater
Albert City Muni Water SupplyBuena Vista677CommunityGroundwater

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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, “Linn Grove Water Works, PWSID IA1147085, Iowa”, https://aquacensus.com/water-systems/iowa/linn-grove-water-works-ia1147085 (data as of October 1, 2026).