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Public water system · IA9630401

Active

Twin Springs Camp Area

At a glance

Twin Springs Camp Area (PWSID IA9630401) is an active transient non-community water system in Winneshiek County, Iowa. It reports serving 32 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in July 1999.

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

Population served

32

Service connections

4

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIA9630401
System typeTransient non-community water system
Activity statusActive
Population served32
Service connections4
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedDecorah
StateIowa
ZIP—
CountyWinneshiek County

How does Twin Springs Camp Area compare with other water systems in Winneshiek County?

By EPA's size categories, Twin Springs Camp Area is a very small system (500 people or fewer). Winneshiek County has 43 active public water systems. Its population served is well below the county average of 343 people per system, and accounts for 0.2% of the 14,733 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 Twin Springs Camp Area is well 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 Twin Springs Camp Area?

EPA lists Twin Springs Camp Area 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. 13 of the 43 active systems in Winneshiek County (30%) are also owned by a local government.

Does Twin Springs Camp Area have drinking water violations?

EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in July 1999. The violations listed here began between April 1991 and July 1999. By type: 2 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 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
1999-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1991-04-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1991-04-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1991-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 4 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.

Twin Springs Camp Area: frequently asked questions

Who runs Twin Springs Camp Area?

Twin Springs Camp Area (PWSID IA9630401) 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 Twin Springs Camp Area serve?

Twin Springs Camp Area reports serving 32 people through 4 service connections in Winneshiek County, Iowa.

Where does Twin Springs Camp Area 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 Twin Springs Camp Area have any drinking water violations?

EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in July 1999. 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 Twin Springs Camp Area'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 4 violations for this system; 2 are health-based, and the most recent began in July 1999. For current results, consult EPA ECHO, or the IA state drinking water program.

Where can I find Twin Springs Camp Area's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Twin Springs Camp Area 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 Winneshiek County

Water systemCountyPopulation servedTypeSource
Decorah Water DepartmentWinneshiek7,615CommunityGroundwater
Calmar Water SupplyWinneshiek1,125CommunityGroundwater
Ossian Water SupplyWinneshiek802CommunityGroundwater
Freeport Water DistrictWinneshiek775CommunityGroundwater
The Country ExpressWinneshiek515Transient non-communityGroundwater
Turkey Valley Community SchoolWinneshiek490Non-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, “Twin Springs Camp Area, PWSID IA9630401, Iowa”, https://aquacensus.com/water-systems/iowa/twin-springs-camp-area-ia9630401 (data as of October 1, 2026).