Deadwood
EPA ID: SD4600104 · 1,156 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Deadwood (SD4600104): no drinking-water violations recorded since 2021. Water monitoring for Deadwood: no violations on record, 1,156 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Deadwood Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Deadwood have a median household income of $57,017 and about 16,180 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Deadwood's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Wastewater Proximity Note: This service area ranks in the 73th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in South Dakota
System Overview
Deadwood (EPA ID: SD4600104) is a community water system in South Dakota that serves approximately 1,156 people from surface water sources.
This system provides water to 3 ZIP codes across 3 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 | 2023-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Deadwood (SD4600104) on EPA.gov.
Frequently Asked Questions
Is Deadwood water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Deadwood 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 Deadwood serve?
Deadwood serves approximately 1,156 people across 3 ZIP codes in South Dakota.
Where does Deadwood get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Deadwood Water Quality Report, SD. https://zipcheckup.com/water-system/sd4600104/
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title = {{Deadwood Water Quality Report, SD}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/sd4600104/}
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