Public water system · SD4600304
ActiveLincoln County Rural Water System
At a glance
Lincoln County Rural Water System (PWSID SD4600304) is an active community water system serving Lincoln and Minnehaha counties, South Dakota. It reports serving 5,965 people through 2,386 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,965
Service connections
2,386
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Lincoln County Rural Water System compare with other water systems in South Dakota?
By EPA's size categories, Lincoln County 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 Lincoln County Rural Water System is about 11% 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 Lincoln County Rural Water System?
EPA lists Lincoln County 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 Lincoln County Rural Water System have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2024. The violations listed here began between May 2001 and April 2024. By type: 2 monitoring and reporting. The contaminants or rules involved are Chlorine and Total coliform bacteria (TCR). EPA lists 2 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 |
|---|---|---|---|---|
| 2024-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2001-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 2 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.
Lincoln County Rural Water System: frequently asked questions
Who runs Lincoln County Rural Water System?
Lincoln County Rural Water System (PWSID SD4600304) is a community water system privately owned. It is regulated by the SD state drinking water program.
How many people does Lincoln County Rural Water System serve?
Lincoln County Rural Water System reports serving 5,965 people through 2,386 service connections in Lincoln and Minnehaha counties, South Dakota.
Where does Lincoln County Rural Water System 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 Lincoln County Rural Water System have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2024. 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 Lincoln County 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 2 violations for this system; none is health-based, and the most recent began in April 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find Lincoln County Rural Water System's water quality report?
As a community water system, Lincoln County 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 |
| South Lincoln Rural Water System | Lincoln + 2 more | 5,250 | Community | Groundwater |
| Canton | Lincoln | 3,066 | Community | Groundwater |
| Lennox | Lincoln | 2,571 | Community | Purchased groundwater |
| Worthing | Lincoln | 939 | Community | Purchased groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Lincoln County Rural Water System, PWSID SD4600304, South Dakota”, https://aquacensus.com/water-systems/south-dakota/lincoln-county-rural-water-system-sd4600304 (data as of October 1, 2026).