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Public water system · WI2461614

Active

Dds-Sc

At a glance

Dds-Sc (PWSID WI2461614) is an active transient non-community water system in Ozaukee County, Wisconsin. It reports serving 32 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in June 2014.

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

Population served

32

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI2461614
System typeTransient non-community water system
Activity statusActive
Population served32
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedGrafton
StateWisconsin
ZIP—
CountyOzaukee County

How does Dds-Sc compare with other water systems in Ozaukee County?

By EPA's size categories, Dds-Sc is a very small system (500 people or fewer). Ozaukee County has 249 active public water systems. Its population served is well below the county average of 371 people per system, and accounts for less than 0.1% of the 92,392 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 Dds-Sc 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. 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 Dds-Sc?

EPA lists Dds-Sc 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. 218 of the 249 active systems in Ozaukee County (88%) are also privately owned.

Does Dds-Sc have drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in June 2014. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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
2014-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

The one violation in EPA's records.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.

Dds-Sc: frequently asked questions

Who runs Dds-Sc?

Dds-Sc (PWSID WI2461614) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Dds-Sc serve?

Dds-Sc reports serving 32 people through 1 service connection in Ozaukee County, Wisconsin.

Where does Dds-Sc 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 Dds-Sc have any drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in June 2014. 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 Dds-Sc'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 one violation for this system; it is health-based, and the most recent began in June 2014. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Dds-Sc's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Dds-Sc 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 Ozaukee County

Water systemCountyPopulation servedTypeSource
Port Washington WaterworksOzaukee12,853CommunitySurface water
Cedarburg L & W CommissionOzaukee12,500CommunityGroundwater
Grafton WaterworksOzaukee12,269CommunityGroundwater
Mequon Water UtilityOzaukee11,152CommunityPurchased surface water
Saukville WaterworksOzaukee4,268CommunityGroundwater
Belgium WaterworksOzaukee2,493CommunityGroundwater

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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, “Dds-Sc, PWSID WI2461614, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/dds-sc-wi2461614 (data as of October 1, 2026).