Public water system · SD4602095
ActiveDeberg Well Users Association
At a glance
Deberg Well Users Association (PWSID SD4602095) is an active community water system in Lawrence County, South Dakota. It reports serving 54 people through 24 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, 2 are health-based, and the most recent began in February 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
54
Service connections
24
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Deberg Well Users Association compare with other water systems in Lawrence County?
By EPA's size categories, Deberg Well Users Association is a very small system (500 people or fewer). Lawrence County has 73 active public water systems. Its population served is well below the county average of 373 people per system, and accounts for 0.2% of the 27,194 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 Deberg Well Users Association 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 Deberg Well Users Association?
EPA lists Deberg Well Users Association 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. 60 of the 73 active systems in Lawrence County (82%) are also privately owned.
Does Deberg Well Users Association have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in February 2015. The violations listed here began between January 1993 and February 2015. By type: 10 monitoring and reporting, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminants or rules involved are Stage 1 Disinfectants and Disinfection Byproducts Rule, Lead and Copper Rule, Total coliform bacteria (TCR) and 1,2-Dichloroethane. 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 |
|---|---|---|---|---|
| 2015-02-01 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 1998-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | 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.
Deberg Well Users Association: frequently asked questions
Who runs Deberg Well Users Association?
Deberg Well Users Association (PWSID SD4602095) is a community water system privately owned. It is regulated by the SD state drinking water program.
How many people does Deberg Well Users Association serve?
Deberg Well Users Association reports serving 54 people through 24 service connections in Lawrence County, South Dakota.
Where does Deberg Well Users Association 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 Deberg Well Users Association have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in February 2015. 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 Deberg Well Users Association'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, 2 are health-based, and the most recent began in February 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find Deberg Well Users Association's water quality report?
As a community water system, Deberg Well Users Association 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 Lawrence County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Spearfish | Lawrence | 13,803 | Community | Groundwater |
| Lead | Lawrence | 2,982 | Community | Purchased surface water |
| Deadwood | Lawrence | 1,156 | Community | Purchased surface water |
| Whitewood | Lawrence | 879 | Community | Groundwater |
| Guadalajara Mexican Restaurant | Lawrence | 630 | Transient non-community | Groundwater |
| Spearfish Canyon Resort LLC | Lawrence | 492 | Transient non-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, “Deberg Well Users Association, PWSID SD4602095, South Dakota”, https://aquacensus.com/water-systems/south-dakota/deberg-well-users-association-sd4602095 (data as of October 1, 2026).