Martin
EPA ID: SD4600202 · 1,500 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Martin (SD4600202): no drinking-water violations recorded since 2021. Water monitoring history at Martin, as reported to the EPA, contains no recorded violations; 1,500 residents are counted in its service population.
Data: EPA SDWIS
Service Area Map
Coverage area for Martin Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Martin have a median household income of $52,500 and about 2,026 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 82% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 100% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Martin's water is classified in EPA records as a groundwater source. 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
System Overview
Martin (EPA ID: SD4600202) is a community water system in South Dakota that serves approximately 1,500 people from groundwater sources.
This system serves ZIP code 57551 in Martin.
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.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
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.
- 57551 - Martin
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Martin (SD4600202) on EPA.gov.
Frequently Asked Questions
Is Martin water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Martin 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 Martin serve?
Martin serves approximately 1,500 people across 1 ZIP code in South Dakota.
Where does Martin get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Martin Water Quality Report, SD. https://zipcheckup.com/water-system/sd4600202/
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author = {{ZipCheckup}},
title = {{Martin Water Quality Report, SD}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/sd4600202/}
}