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Public water system · WI1280302

Active

Crawfish Junction

At a glance

Crawfish Junction (PWSID WI1280302) is an active transient non-community water system in Jefferson County, Wisconsin. It reports serving 412 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

412

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI1280302
System typeTransient non-community water system
Activity statusActive
Population served412
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedJohnson Creek
StateWisconsin
ZIP—
CountyJefferson County

How does Crawfish Junction compare with other water systems in Jefferson County?

By EPA's size categories, Crawfish Junction is a very small system (500 people or fewer). Jefferson County has 195 active public water systems. Its population served is roughly in line with the county average of 453 people per system, and accounts for 0.5% of the 88,343 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Crawfish Junction is about 186% above 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. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.

Who owns and regulates Crawfish Junction?

EPA lists Crawfish Junction as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 152 of the 195 active systems in Jefferson County (78%) are also privately owned.

Does Crawfish Junction have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Crawfish Junction. For the latest compliance status, check EPA ECHO for current compliance history.

Crawfish Junction: frequently asked questions

Who runs Crawfish Junction?

Crawfish Junction (PWSID WI1280302) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Crawfish Junction serve?

Crawfish Junction reports serving 412 people through 2 service connections in Jefferson County, Wisconsin.

Where does Crawfish Junction 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 Crawfish Junction have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Crawfish Junction'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Crawfish Junction's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Crawfish Junction 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 Jefferson County

Water systemCountyPopulation servedTypeSource
Watertown WaterworksJefferson23,945CommunityGroundwater
Fort Atkinson WaterworksJefferson12,390CommunityGroundwater
Jefferson WaterworksJefferson7,926CommunityGroundwater
Lake Mills WaterworksJefferson6,211CommunityGroundwater
Waterloo WaterworksJefferson3,520CommunityGroundwater
Johnson Creek WaterworksJefferson3,318CommunityGroundwater

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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, “Crawfish Junction, PWSID WI1280302, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/crawfish-junction-wi1280302 (data as of October 1, 2026).