Public water system · SD4600870
ActiveSouth Lincoln Rural Water System
At a glance
South Lincoln Rural Water System (PWSID SD4600870) is an active community water system serving Lincoln, Turner and Union counties, South Dakota. It reports serving 5,250 people through 2,100 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 October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,250
Service connections
2,100
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does South Lincoln Rural Water System compare with other water systems in South Dakota?
By EPA's size categories, South Lincoln 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 South Lincoln Rural Water System is about 22% 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 South Lincoln Rural Water System?
EPA lists South Lincoln 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 South Lincoln Rural Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2023. The violations listed here began between January 2014 and October 2023. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Chlorine, Endrin and Lindane (gamma-BHC). 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 |
|---|---|---|---|---|
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | 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.
South Lincoln Rural Water System: frequently asked questions
Who runs South Lincoln Rural Water System?
South Lincoln Rural Water System (PWSID SD4600870) is a community water system privately owned. It is regulated by the SD state drinking water program.
How many people does South Lincoln Rural Water System serve?
South Lincoln Rural Water System reports serving 5,250 people through 2,100 service connections in Lincoln, Turner and Union counties, South Dakota.
Where does South Lincoln 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 South Lincoln Rural Water System 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 October 2023. 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 South Lincoln 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find South Lincoln Rural Water System's water quality report?
As a community water system, South Lincoln 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 Lincoln County(the first county EPA lists for this system)
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Harrisburg | Lincoln | 10,297 | Community | Purchased groundwater |
| Tea | Lincoln | 7,381 | Community | Purchased groundwater |
| Lincoln County Rural Water System | Lincoln + 1 more | 5,965 | Community | Purchased groundwater |
| Canton | Lincoln | 3,066 | Community | Groundwater |
| Lennox | Lincoln | 2,571 | Community | Purchased groundwater |
| Worthing | Lincoln | 939 | Community | Purchased groundwater |
Related pages
- All water systems in Lincoln County· 9 active
- All water systems in Turner County· 6 active
- All water systems in Union County· 8 active
- All South Dakota public water systems· 699 active
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
- What a drinking water violation notice means
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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, “South Lincoln Rural Water System, PWSID SD4600870, South Dakota”, https://aquacensus.com/water-systems/south-dakota/south-lincoln-rural-water-system-sd4600870 (data as of October 1, 2026).