Southern Black Hills Water

ZipCheckup's reading of EPA SDWIS for Southern Black Hills Water (SD4602309): no EPA violations recorded in the last five years. Water monitoring history at Southern Black Hills Water shows a clean slate - EPA tracking over the past five years turned up no violations, and 947 residents continue to receive fully compliant service.

Data: EPA SDWIS

System Overview

Southern Black Hills Water (EPA ID: SD4602309) is a community water system in South Dakota that serves approximately 947 people from groundwater sources.

This system provides water to 14 ZIP codes across 13 communities.

ZIP-Area Home Safety Context: C (67/100)

This is the average Home Safety Score for 1 of 14 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by SD or modeled from parcel and building-footprint data.

• 57702 - Rapid City
• 57703 - Rapid City
• 57722 - Buffalo Gap
• 57725 - Caputa
• 57730 - Custer
• 57735 - Edgemont
• 57738 - Fairburn
• 57744 - Hermosa
• 57745 - Hill City
• 57747 - Hot Springs
• 57751 - Keystone
• 57761 - New Underwood
• 57763 - Oelrichs
• 57766 - Oral

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Southern Black Hills Water (SD4602309) on EPA.gov.

Frequently Asked Questions

Is Southern Black Hills Water water safe to drink?

The accepted 2026Q2 ECHO snapshot contains zero violation records for Southern Black Hills Water in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.

How many people does Southern Black Hills Water serve?

Southern Black Hills Water serves approximately 947 people across 14 ZIP codes in South Dakota.

Where does Southern Black Hills Water get its water?

The primary water source is groundwater.

@misc{zipcheckup-water-system-sd4602309,
  author = {{ZipCheckup}},
  title  = {{Southern Black Hills Water Water Quality Report, SD}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/sd4602309/}
}