Skip to content
AquaCensus

Public water system · SD4600903

Active

Ymca of the Black Hills

At a glance

Ymca of the Black Hills (PWSID SD4600903) is an active transient non-community water system in Pennington County, South Dakota. It reports serving 250 people through 7 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2006.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

250

Service connections

7

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDSD4600903
System typeTransient non-community water system
Activity statusActive
Population served250
Service connections7
Primary water sourceGroundwater
Owner typePrivate
Primacy agencySD state drinking water program
City servedRapid City
StateSouth Dakota
ZIP57701
CountyPennington County

How does Ymca of the Black Hills compare with other water systems in Pennington County?

By EPA's size categories, Ymca of the Black Hills is a very small system (500 people or fewer). Pennington County has 150 active public water systems. Its population served is well below the county average of 930 people per system, and accounts for 0.2% of the 139,467 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 Ymca of the Black Hills is about 74% 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 431 South Dakota systems (62%) list groundwater as their primary source.

Who owns and regulates Ymca of the Black Hills?

EPA lists Ymca of the Black Hills 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. 134 of the 150 active systems in Pennington County (89%) are also privately owned.

Does Ymca of the Black Hills have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2006. The violations listed here began between August 1997 and November 2006. By type: 7 monitoring and reporting and 5 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 7 as resolved and 5 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.

BeganViolationContaminant or ruleHealth-basedStatus
2006-11-03Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2005-07-05Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2005-07-04Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2005-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2000-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1999-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1998-08-09Public notice, recordkeeping or otherNotification, Public · code 06Total coliform bacteria (TCR)code 3100NoArchived
1998-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1998-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1997-08-11Public notice, recordkeeping or otherNotification, Public · code 06Total coliform bacteria (TCR)code 3100NoArchived

The 12 most recent 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.

Ymca of the Black Hills: frequently asked questions

Who runs Ymca of the Black Hills?

Ymca of the Black Hills (PWSID SD4600903) is a transient non-community water system privately owned. It is regulated by the SD state drinking water program.

How many people does Ymca of the Black Hills serve?

Ymca of the Black Hills reports serving 250 people through 7 service connections in Pennington County, South Dakota.

Where does Ymca of the Black Hills get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Ymca of the Black Hills have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2006. 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 Ymca of the Black Hills' 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2006. For current results, consult EPA ECHO, or the SD state drinking water program.

Where can I find Ymca of the Black Hills' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Ymca of the Black Hills 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 Pennington County

Water systemCountyPopulation servedTypeSource
Rapid CityPennington72,009CommunitySurface water
Box ElderPennington14,000CommunityGroundwater
Rapid Valley Sanitary DistrictPennington11,408CommunitySurface water
Ellsworth AfbPennington9,100CommunityPurchased surface water
Nps-Mount Rushmore National MemorialPennington4,100Non-transient non-communityGroundwater
Colonial Pine Hills Sanitary DistricPennington1,200CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Ymca of the Black Hills, PWSID SD4600903, South Dakota”, https://aquacensus.com/water-systems/south-dakota/ymca-of-the-black-hills-sd4600903 (data as of October 1, 2026).