Public water system · SD4600430
ActiveBrookings-Deuel Rural Water System
At a glance
Brookings-Deuel Rural Water System (PWSID SD4600430) is an active community water system serving Brookings and Deuel counties, South Dakota. It reports serving 6,200 people through 2,846 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,200
Service connections
2,846
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Brookings-Deuel Rural Water System compare with other water systems in South Dakota?
By EPA's size categories, Brookings-Deuel Rural Water System is a medium system (3,301 to 10,000 people). 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 Brookings-Deuel Rural Water System is roughly in line with 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 Brookings-Deuel Rural Water System?
EPA lists Brookings-Deuel Rural Water System 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.
Does Brookings-Deuel Rural Water System have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2004. The violations listed here began between July 1976 and July 2004. By type: 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 as archived and 2 as resolved. 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. 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 |
|---|---|---|---|---|
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1976-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1976-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Archived |
All 5 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.
Brookings-Deuel Rural Water System: frequently asked questions
Who runs Brookings-Deuel Rural Water System?
Brookings-Deuel Rural Water System (PWSID SD4600430) is a community water system privately owned. It is regulated by the SD state drinking water program.
How many people does Brookings-Deuel Rural Water System serve?
Brookings-Deuel Rural Water System reports serving 6,200 people through 2,846 service connections in Brookings and Deuel counties, South Dakota.
Where does Brookings-Deuel Rural Water System 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 Brookings-Deuel Rural Water System have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2004. 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 Brookings-Deuel Rural Water System'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 5 violations for this system; none is health-based, and the most recent began in July 2004. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find Brookings-Deuel Rural Water System's water quality report?
As a community water system, Brookings-Deuel Rural Water System 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(the first county EPA lists for this system)
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Brookings Municipal Utilities | Brookings | 23,377 | Community | Groundwater |
| Kingbrook I Rural Water System | Brookings | 6,455 | Community | Purchased groundwater |
| Volga | Brookings | 2,340 | Community | Groundwater |
| Aurora | Brookings | 1,200 | Community | Purchased groundwater |
| Elkton | Brookings | 755 | Community | Purchased groundwater |
| White | Brookings | 499 | Community | Purchased 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, “Brookings-Deuel Rural Water System, PWSID SD4600430, South Dakota”, https://aquacensus.com/water-systems/south-dakota/brookings-deuel-rural-water-system-sd4600430 (data as of October 1, 2026).