Public water system · SD4602164
ActiveLead
At a glance
Lead (PWSID SD4602164) is an active community water system in Lawrence County, South Dakota. It reports serving 2,982 people through 1,470 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in April 2007.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,982
Service connections
1,470
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Lead compare with other water systems in Lawrence County?
By EPA's size categories, Lead is a small system (501 to 3,300 people). Lawrence County has 73 active public water systems, and Lead is the 2nd-largest of them by population served. Its population served is about 8 times the county average of 373 people per system, and accounts for 11% of the 27,194 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 Lead is about 56% 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 Lead?
EPA lists Lead 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. 10 of the 73 active systems in Lawrence County (14%) are also owned by a local government.
Does Lead have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in April 2007. The violations listed here began between December 1998 and April 2007. By type: 3 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as resolved and 1 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 |
|---|---|---|---|---|
| 2007-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2000-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | 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.
Lead: frequently asked questions
Who runs Lead?
Lead (PWSID SD4602164) is a community water system owned by a local government. It is regulated by the SD state drinking water program.
How many people does Lead serve?
Lead reports serving 2,982 people through 1,470 service connections in Lawrence County, South Dakota.
Where does Lead 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 Lead have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in April 2007. 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 Lead'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 April 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the SD state drinking water program.
Where can I find Lead's water quality report?
As a community water system, Lead 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 Lawrence County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Spearfish | Lawrence | 13,803 | Community | Groundwater |
| Deadwood | Lawrence | 1,156 | Community | Purchased surface water |
| Whitewood | Lawrence | 879 | Community | Groundwater |
| Guadalajara Mexican Restaurant | Lawrence | 630 | Transient non-community | Groundwater |
| Spearfish Canyon Resort LLC | Lawrence | 492 | Transient non-community | Groundwater |
| Terry Trojan Water District | Lawrence | 400 | Community | 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, “Lead, PWSID SD4602164, South Dakota”, https://aquacensus.com/water-systems/south-dakota/lead-sd4602164 (data as of October 1, 2026).