Public water system · SD4600013
ActiveNew Effington
At a glance
New Effington (PWSID SD4600013) is an active community water system in Roberts County, South Dakota. It reports serving 247 people through 127 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
247
Service connections
127
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does New Effington compare with other water systems in Roberts County?
By EPA's size categories, New Effington is a very small system (500 people or fewer). Roberts County has 11 active public water systems. Its population served is about 56% below the county average of 565 people per system, and accounts for 4% of the 6,217 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 New Effington 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 100 South Dakota systems (14%) list purchased groundwater as their primary source.
Who owns and regulates New Effington?
EPA lists New Effington as owned by a local government. 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 11 active systems in Roberts County (64%) are also owned by a local government.
Does New Effington have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2019. The violations listed here began between July 2005 and September 2019. By type: 5 monitoring, 3 public notice, recordkeeping or other, 3 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-09-13 | Public notice, recordkeeping or otherFailure to Notify Other PWS · code 73 | Groundwater Rulecode 0700 | No | Resolved |
| 2017-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2016-12-28 | Public notice, recordkeeping or otherFailure to Notify Other PWS · code 73 | Groundwater Rulecode 0700 | No | Resolved |
| 2016-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-04-01 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-02-01 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2005-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
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.
New Effington: frequently asked questions
Who runs New Effington?
New Effington (PWSID SD4600013) is a community water system owned by a local government. It is regulated by the SD state drinking water program.
How many people does New Effington serve?
New Effington reports serving 247 people through 127 service connections in Roberts County, South Dakota.
Where does New Effington get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does New Effington 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 September 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 New Effington'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 September 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 New Effington's water quality report?
As a community water system, New Effington 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 Roberts County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sisseton | Roberts | 2,479 | Community | Groundwater |
| Dot Rest Area 119 - Glacial Lakes | Roberts | 1,000 | Transient non-community | Groundwater |
| Dot Rest Area - Whetstone Valley | Roberts | 1,000 | Transient non-community | Groundwater |
| Wilmot | Roberts | 432 | Community | Purchased groundwater |
| Rosholt | Roberts | 379 | Community | Groundwater |
| Summit | Roberts | 288 | Community | 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, “New Effington, PWSID SD4600013, South Dakota”, https://aquacensus.com/water-systems/south-dakota/new-effington-sd4600013 (data as of October 1, 2026).