Public water system · SD4600148
ActiveHarrisburg
At a glance
Harrisburg (PWSID SD4600148) is an active community water system in Lincoln County, South Dakota. It reports serving 10,297 people through 3,043 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 1995.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,297
Service connections
3,043
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Harrisburg compare with other water systems in Lincoln County?
By EPA's size categories, Harrisburg is a large system (10,001 to 100,000 people). Lincoln County has 9 active public water systems, and Harrisburg is the largest of them by population served. Its population served is about 158% above the county average of 3,986 people per system, and accounts for 29% of the 35,871 people reported by systems filed under the county. 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 Harrisburg is about 54% above 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 Harrisburg?
EPA lists Harrisburg as owned by a local government. 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. 6 of the 9 active systems in Lincoln County (67%) are also owned by a local government.
Does Harrisburg have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 1995. The violations listed here began between July 1976 and July 1995. By type: 7 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 1995-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1995-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1994-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1976-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Archived |
| 1976-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 7 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.
Harrisburg: frequently asked questions
Who runs Harrisburg?
Harrisburg (PWSID SD4600148) is a community water system owned by a local government. It is regulated by the SD state drinking water program.
How many people does Harrisburg serve?
Harrisburg reports serving 10,297 people through 3,043 service connections in Lincoln County, South Dakota.
Where does Harrisburg 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 Harrisburg have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 1995. 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 Harrisburg'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 7 violations for this system; none is health-based, and the most recent began in July 1995. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find Harrisburg's water quality report?
As a community water system, Harrisburg 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
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tea | Lincoln | 7,381 | Community | Purchased groundwater |
| Lincoln County Rural Water System | Lincoln + 1 more | 5,965 | 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 |
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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, “Harrisburg, PWSID SD4600148, South Dakota”, https://aquacensus.com/water-systems/south-dakota/harrisburg-sd4600148 (data as of October 1, 2026).