Public water system · SD4600878
ActiveHanson Rural Water System
At a glance
Hanson Rural Water System (PWSID SD4600878) is an active community water system serving Hanson, Davison and McCook counties, South Dakota. It reports serving 2,685 people through 1,074 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,685
Service connections
1,074
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Hanson Rural Water System compare with other water systems in South Dakota?
By EPA's size categories, Hanson Rural Water System is a small system (501 to 3,300 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 Hanson Rural Water System is about 60% 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 Hanson Rural Water System?
EPA lists Hanson 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 Hanson Rural Water System have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2019. The violations listed here began between June 1993 and October 2019. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as resolved and 2 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1996-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1993-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 4 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.
Hanson Rural Water System: frequently asked questions
Who runs Hanson Rural Water System?
Hanson Rural Water System (PWSID SD4600878) is a community water system privately owned. It is regulated by the SD state drinking water program.
How many people does Hanson Rural Water System serve?
Hanson Rural Water System reports serving 2,685 people through 1,074 service connections in Hanson, Davison and McCook counties, South Dakota.
Where does Hanson Rural Water System 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 Hanson Rural Water System have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2019. 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 Hanson 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 4 violations for this system; none is health-based, and the most recent began in October 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find Hanson Rural Water System's water quality report?
As a community water system, Hanson 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 Hanson County(the first county EPA lists for this system)
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Alexandria | Hanson | 649 | Community | Purchased surface water |
| Emery | Hanson | 480 | Community | Purchased surface water |
Related pages
- All water systems in Hanson County· 3 active
- All water systems in Davison County· 4 active
- All water systems in McCook County· 6 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, “Hanson Rural Water System, PWSID SD4600878, South Dakota”, https://aquacensus.com/water-systems/south-dakota/hanson-rural-water-system-sd4600878 (data as of October 1, 2026).