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Public water system · IA9774003

Active

Ag Processing - Refinery

At a glance

Ag Processing - Refinery (PWSID IA9774003) is an active non-transient non-community water system in Woodbury County, Iowa. It reports serving 50 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2023.

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

Population served

50

Service connections

2

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDIA9774003
System typeNon-transient non-community water system
Activity statusActive
Population served50
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIA state drinking water program
City servedSergeant Bluff
StateIowa
ZIP—
CountyWoodbury County

How does Ag Processing - Refinery compare with other water systems in Woodbury County?

By EPA's size categories, Ag Processing - Refinery is a very small system (500 people or fewer). Woodbury County has 32 active public water systems. Its population served is well below the county average of 3,110 people per system, and accounts for less than 0.1% of the 99,514 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Ag Processing - Refinery is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Iowa has 118 active non-transient non-community water systems, 6.5% 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 Ag Processing - Refinery?

EPA lists Ag Processing - Refinery as privately owned. 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. 9 of the 32 active systems in Woodbury County (28%) are also privately owned.

Does Ag Processing - Refinery have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2023. The violations listed here began between December 2022 and January 2023. By type: 2 monitoring and reporting. The contaminants or rules involved are Nitrate and Lead and Copper Rule. EPA lists 2 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
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2022-12-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved

All 2 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.

Ag Processing - Refinery: frequently asked questions

Who runs Ag Processing - Refinery?

Ag Processing - Refinery (PWSID IA9774003) is a non-transient non-community water system privately owned. It is regulated by the IA state drinking water program.

How many people does Ag Processing - Refinery serve?

Ag Processing - Refinery reports serving 50 people through 2 service connections in Woodbury County, Iowa.

Where does Ag Processing - Refinery 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 Ag Processing - Refinery have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2023. 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 Ag Processing - Refinery'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 2 violations for this system; none is health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the IA state drinking water program.

Where can I find Ag Processing - Refinery's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Ag Processing - Refinery is a non-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 Woodbury County

Water systemCountyPopulation servedTypeSource
Sioux City Water SupplyWoodbury85,791CommunityGroundwater under influence of surface water
Sergeant Bluff Water SupplyWoodbury5,015CommunityGroundwater
Moville Water SupplyWoodbury1,687CommunityGroundwater
Sloan Water SupplyWoodbury1,042CommunityGroundwater
Lawton Water SupplyWoodbury988CommunityGroundwater
Correctionville Water SupplyWoodbury766CommunityGroundwater

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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, “Ag Processing - Refinery, PWSID IA9774003, Iowa”, https://aquacensus.com/water-systems/iowa/ag-processing-refinery-ia9774003 (data as of October 1, 2026).