Kingbrook Ii Rural Water System
EPA ID: SD4600511 · 2,715 people served · 10 ZIP codes
ZipCheckup's reading of EPA SDWIS for Kingbrook Ii Rural Water System (SD4600511): no EPA violations recorded in the last five years. Zero violations in five consecutive years of EPA monitoring - Kingbrook Ii Rural Water System has held a clean track record across every reporting cycle in that span, with no enforcement activity of any kind on file for the full service population of 2,715 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Kingbrook Ii Rural Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Kingbrook Ii Rural Water System serves a community with a median household income of $69,870 and an estimated 9,629 residents across its service area. Approximately 73% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Kingbrook Ii Rural Water System's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in South Dakota
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Kingbrook Ii Rural Water System (EPA ID: SD4600511) is a community water system in South Dakota that serves approximately 2,715 people from groundwater sources.
This system provides water to 10 ZIP codes across 10 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.002 mg/L | No | N/A |
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 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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.
- 57051 - Oldham
- 57212 - Arlington
- 57225 - Clark
- 57231 - De Smet
- 57249 - Lake Preston
- 57321 - Canova
- 57323 - Carthage
- 57337 - Fedora
- 57349 - Howard
- 57353 - Iroquois
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Kingbrook Ii Rural Water System (SD4600511) on EPA.gov.
Frequently Asked Questions
Is Kingbrook Ii Rural Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Kingbrook Ii Rural Water System 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 Kingbrook Ii Rural Water System serve?
Kingbrook Ii Rural Water System serves approximately 2,715 people across 10 ZIP codes in South Dakota.
Where does Kingbrook Ii Rural Water System get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Kingbrook Ii Rural Water System Water Quality Report, SD. https://zipcheckup.com/water-system/sd4600511/
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title = {{Kingbrook Ii Rural Water System Water Quality Report, SD}},
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url = {https://zipcheckup.com/water-system/sd4600511/}
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