Redfield
EPA ID: SD4600277 · 2,214 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Redfield (SD4600277): no drinking-water violations recorded since 2021. Across the reporting cycles included in federal data, Redfield has no EPA violation entries - the file covers a service population of approximately 2,214 residents and says nothing about individual household plumbing.
Data: EPA SDWIS
Service Area Map
Coverage area for Redfield Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Redfield have a median household income of $69,130 and about 3,094 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 78% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Redfield'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 60th 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
Redfield (EPA ID: SD4600277) is a community water system in South Dakota that serves approximately 2,214 people from surface water sources.
This system serves ZIP code 57469 in Redfield.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.006 mg/L | No | 2024-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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.
- 57469 - Redfield
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Redfield (SD4600277) on EPA.gov.
Frequently Asked Questions
Is Redfield water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Redfield 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 Redfield serve?
Redfield serves approximately 2,214 people across 1 ZIP code in South Dakota.
Where does Redfield get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Redfield Water Quality Report, SD. https://zipcheckup.com/water-system/sd4600277/
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author = {{ZipCheckup}},
title = {{Redfield Water Quality Report, SD}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/sd4600277/}
}