Public water system · SD4602357
ActivePowder House Pass
At a glance
Powder House Pass (PWSID SD4602357) is an active transient non-community water system in Lawrence County, South Dakota. It reports serving 238 people through 95 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
238
Service connections
95
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Powder House Pass compare with other water systems in Lawrence County?
By EPA's size categories, Powder House Pass is a very small system (500 people or fewer). Lawrence County has 73 active public water systems. Its population served is about 36% below the county average of 373 people per system, and accounts for 0.9% 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 transient non-community water system reports serving 144 people, so Powder House Pass is about 65% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. South Dakota has 173 active transient non-community water systems, 25% of the state's 699 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 24 South Dakota systems (3.4%) list surface water as their primary source.
Who owns and regulates Powder House Pass?
EPA lists Powder House Pass 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 Powder House Pass have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in April 2023. By type: 1 required treatment not met. The contaminant or rule involved is Interim Enhanced Surface Water Treatment Rule. 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 |
|---|---|---|---|---|
| 2023-04-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | 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.
Powder House Pass: frequently asked questions
Who runs Powder House Pass?
Powder House Pass (PWSID SD4602357) is a transient non-community water system owned by a local government. It is regulated by the SD state drinking water program.
How many people does Powder House Pass serve?
Powder House Pass reports serving 238 people through 95 service connections in Lawrence County, South Dakota.
Where does Powder House Pass get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Powder House Pass have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in April 2023. 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 Powder House Pass' 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 health-based, and the most recent began in April 2023. For current results, consult EPA ECHO, or the SD state drinking water program.
Where can I find Powder House Pass' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Powder House Pass is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Lawrence County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Spearfish | Lawrence | 13,803 | Community | Groundwater |
| Lead | Lawrence | 2,982 | Community | Purchased surface water |
| 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 |
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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, “Powder House Pass, PWSID SD4602357, South Dakota”, https://aquacensus.com/water-systems/south-dakota/powder-house-pass-sd4602357 (data as of October 1, 2026).