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Public water system · SD4602081

Active

Newdale Colony

At a glance

Newdale Colony (PWSID SD4602081) is an active community water system in Brookings County, South Dakota. It reports serving 119 people through 31 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019.

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

Population served

119

Service connections

31

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDSD4602081
System typeCommunity water system
Activity statusActive
Population served119
Service connections31
Primary water sourceGroundwater
Owner typePrivate
Primacy agencySD state drinking water program
City servedElkton
StateSouth Dakota
ZIP57026
CountyBrookings County

How does Newdale Colony compare with other water systems in Brookings County?

By EPA's size categories, Newdale Colony is a very small system (500 people or fewer). Brookings County has 12 active public water systems. Its population served is well below the county average of 3,439 people per system, and accounts for 0.3% of the 41,264 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 Newdale Colony 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 431 South Dakota systems (62%) list groundwater as their primary source.

Who owns and regulates Newdale Colony?

EPA lists Newdale Colony 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. 7 of the 12 active systems in Brookings County (58%) are also privately owned.

Does Newdale Colony have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019. The violations listed here began between January 2019 and January 2019. By type: 12 monitoring and reporting. The contaminants or rules involved are 1,1-Dichloroethylene, 1,1,2-Trichloroethane, Ethylbenzene and Xylenes, Total. 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
2019-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2019-01-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved

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.

Newdale Colony: frequently asked questions

Who runs Newdale Colony?

Newdale Colony (PWSID SD4602081) is a community water system privately owned. It is regulated by the SD state drinking water program.

How many people does Newdale Colony serve?

Newdale Colony reports serving 119 people through 31 service connections in Brookings County, South Dakota.

Where does Newdale Colony 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 Newdale Colony have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019. 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 Newdale Colony'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, none is health-based, and the most recent began in January 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.

Where can I find Newdale Colony's water quality report?

As a community water system, Newdale Colony 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 Brookings County

Water systemCountyPopulation servedTypeSource
Brookings Municipal UtilitiesBrookings23,377CommunityGroundwater
Kingbrook I Rural Water SystemBrookings6,455CommunityPurchased groundwater
Brookings-Deuel Rural Water SystemBrookings + 1 more6,200CommunityGroundwater
VolgaBrookings2,340CommunityGroundwater
AuroraBrookings1,200CommunityPurchased groundwater
ElktonBrookings755CommunityPurchased groundwater

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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, “Newdale Colony, PWSID SD4602081, South Dakota”, https://aquacensus.com/water-systems/south-dakota/newdale-colony-sd4602081 (data as of October 1, 2026).