Public water system · SD4602223
ActiveWr/Lj - Mni Wiconi
At a glance
Wr/Lj - Mni Wiconi (PWSID SD4602223) is an active community water system serving Stanley, Lyman and Jones counties, South Dakota. It reports serving 4,720 people through 1,894 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,720
Service connections
1,894
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Wr/Lj - Mni Wiconi compare with other water systems in South Dakota?
By EPA's size categories, Wr/Lj - Mni Wiconi 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 Wr/Lj - Mni Wiconi is about 30% 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 surface water means the system buys surface water from another public water system rather than drawing its own. 142 South Dakota systems (20%) list purchased surface water as their primary source.
Who owns and regulates Wr/Lj - Mni Wiconi?
EPA lists Wr/Lj - Mni Wiconi 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 Wr/Lj - Mni Wiconi have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2013. By type: 1 public notice, recordkeeping or other. EPA lists 1 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 |
|---|---|---|---|---|
| 2013-10-29 | Public notice, recordkeeping or otherSanitary Survey (TCR) · code 28 | Not reported | No | Resolved |
The one violation in EPA's records.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.
Wr/Lj - Mni Wiconi: frequently asked questions
Who runs Wr/Lj - Mni Wiconi?
Wr/Lj - Mni Wiconi (PWSID SD4602223) is a community water system privately owned. It is regulated by the SD state drinking water program.
How many people does Wr/Lj - Mni Wiconi serve?
Wr/Lj - Mni Wiconi reports serving 4,720 people through 1,894 service connections in Stanley, Lyman and Jones counties, South Dakota.
Where does Wr/Lj - Mni Wiconi get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Wr/Lj - Mni Wiconi have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2013. 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 Wr/Lj - Mni Wiconi'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 one violation for this system; it is not health-based, and the most recent began in October 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find Wr/Lj - Mni Wiconi's water quality report?
As a community water system, Wr/Lj - Mni Wiconi 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 Stanley County(the first county EPA lists for this system)
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wr/Lj - North Stanley County | Stanley | 2,492 | Community | Purchased surface water |
| Fort Pierre | Stanley | 2,236 | Community | Purchased surface water |
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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, “Wr/Lj - Mni Wiconi, PWSID SD4602223, South Dakota”, https://aquacensus.com/water-systems/south-dakota/wr-lj-mni-wiconi-sd4602223 (data as of October 1, 2026).