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Public water system · SD4600046

Active

Box Elder

Community water system in Pennington County, South Dakota, drawing primarily on groundwater.

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

Population served

14,000

Service connections

4,022

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDSD4600046
System typeCommunity water system
Activity statusActive
Population served14,000
Service connections4,022
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencySD state drinking water program
City servedBox Elder
StateSouth Dakota
ZIP57719
CountyPennington County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesArchived
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesArchived
2024-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2022-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2022-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2022-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2022-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2021-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2021-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2008-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2008-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2008-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved

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.

Box Elder: frequently asked questions

Is Box Elder's water safe to drink?

Box Elder is an active community water system regulated under the Safe Drinking Water Act, overseen by the SD state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Box Elder?

Box Elder (PWSID SD4600046) is a local government-owned community water system, regulated by the SD state drinking water program.

How many people does Box Elder serve?

Box Elder reports serving 14,000 people through 4,022 service connections in Pennington County, South Dakota.

Where does Box Elder get its water?

EPA SDWIS lists this system's primary water source as groundwater.

Other water systems in Pennington County

Water systemCountyPopulation servedTypeSource
Rapid CityPennington72,009CommunitySurface water
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
Chapel Lane Water CompanyPennington1,200CommunityGroundwater

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