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Public water system · IA6663903

Active

Interstate Park

At a glance

Interstate Park (PWSID IA6663903) is an active transient non-community water system in Mitchell County, Iowa. It reports serving 50 people through 19 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, one is health-based, and the most recent began in May 2022.

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

Population served

50

Service connections

19

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIA6663903
System typeTransient non-community water system
Activity statusActive
Population served50
Service connections19
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedOsage
StateIowa
ZIP—
CountyMitchell County

How does Interstate Park compare with other water systems in Mitchell County?

By EPA's size categories, Interstate Park is a very small system (500 people or fewer). Mitchell County has 16 active public water systems. Its population served is well below the county average of 382 people per system, and accounts for 0.8% of the 6,105 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Interstate Park is about 65% below that figure.

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

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Iowa has 626 active transient non-community water systems, 34% 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 Interstate Park?

EPA lists Interstate Park 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 16 active systems in Mitchell County (50%) are also owned by a local government.

Does Interstate Park have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2022. The violations listed here began between August 2007 and May 2022. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 12 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
2022-05-23Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-09-21Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2020-07-19Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2017-10-22Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2017-08-14Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2016-07-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2015-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2007-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Interstate Park: frequently asked questions

Who runs Interstate Park?

Interstate Park (PWSID IA6663903) is a transient non-community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Interstate Park serve?

Interstate Park reports serving 50 people through 19 service connections in Mitchell County, Iowa.

Where does Interstate Park 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 Interstate Park have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2022. 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 Interstate Park'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2022. For current results, consult EPA ECHO, or the IA state drinking water program.

Where can I find Interstate Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Interstate Park is a 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 Mitchell County

Water systemCountyPopulation servedTypeSource
Osage Municipal Water SupplyMitchell3,637CommunityGroundwater
St Ansgar Water SupplyMitchell1,161CommunityGroundwater
Stacyville Water SupplyMitchell465CommunityGroundwater
St Peter Lutheran ChurchMitchell188Transient non-communityGroundwater
Old County Seat Bar & GrillMitchell101Transient non-communityGroundwater
Absolute Energy LLCMitchell70Non-transient non-communityGroundwater

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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, “Interstate Park, PWSID IA6663903, Iowa”, https://aquacensus.com/water-systems/iowa/interstate-park-ia6663903 (data as of October 1, 2026).