Public water system · SD4602099

Active

East Winds Court, Inc..

At a glance

East Winds Court, Inc.. (PWSID SD4602099) is an active community water system in Yankton County, South Dakota. It reports serving 180 people through 63 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in August 2022.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

180

Service connections

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDSD4602099

System typeCommunity water system

Activity statusActive

Population served180

Service connections63

Primary water sourcePurchased surface water

Owner typePrivate

Primacy agencySD state drinking water program

City servedYankton

StateSouth Dakota

ZIP57078

CountyYankton County

How does East Winds Court, Inc.. compare with other water systems in Yankton County?

By EPA's size categories, East Winds Court, Inc.. is a very small system (500 people or fewer). Yankton County has 9 active public water systems, and East Winds Court, Inc.. is the 5th-largest of them by population served. Its population served is well below the county average of 1,883 people per system, and accounts for 1.1% of the 16,948 people reported by systems filed under the county. Across South Dakota, the 699 active systems average 1,387 people each. Nationally, the average active community water system reports serving 6,703 people, so East Winds Court, Inc.. is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. South Dakota has 510 active community water systems, 73% of the state's 699 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 142 South Dakota systems (20%) list purchased surface water as their primary source.

Who owns and regulates East Winds Court, Inc..?

EPA lists East Winds Court, Inc.. as privately owned. The SD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 9 active systems in Yankton County (33%) are also privately owned.

Does East Winds Court, Inc.. have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in August 2022. The violations listed here began between August 1996 and August 2022. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other, 1 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 10 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

Began	Violation	Contaminant or rule	Health-based	Status
2022-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2022-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2016-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2016-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2016-03-15	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2015-02-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2010-02-01	Required treatment not metTreatment Technique No Certif. Operator · code 12	Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400	Yes	Resolved
2009-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2008-11-09	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2007-10-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1998-05-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
1996-08-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived

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.

East Winds Court, Inc..: frequently asked questions

Who runs East Winds Court, Inc..?

East Winds Court, Inc.. (PWSID SD4602099) is a community water system privately owned. It is regulated by the SD state drinking water program.

How many people does East Winds Court, Inc.. serve?

East Winds Court, Inc.. reports serving 180 people through 63 service connections in Yankton County, South Dakota.

Where does East Winds Court, Inc.. get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does East Winds Court, Inc.. 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 August 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 East Winds Court, Inc..'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 August 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.

Where can I find East Winds Court, Inc..'s water quality report?

As a community water system, East Winds Court, Inc.. must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Yankton County

Water system	County	Population served	Type	Source
Yankton	Yankton	15,411	Community	Groundwater
Gayville	Yankton	392	Community	Purchased groundwater
3 Sons Rv Park	Yankton	339	Transient non-community	Groundwater
Mission Hill	Yankton	190	Community	Purchased surface water
Volin	Yankton	161	Community	Purchased surface water
Lesterville	Yankton	115	Community	Purchased surface water

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “East Winds Court, Inc.., PWSID SD4602099, South Dakota”, https://aquacensus.com/water-systems/south-dakota/east-winds-court-inc-sd4602099 (data as of October 1, 2026).