Randall Community Water District
EPA ID: SD4600433 · 6,248 people served · 13 ZIP codes
ZipCheckup's reading of EPA records for Randall Community Water District (SD4600433): no drinking-water violations recorded since 2021. Although compliance varies widely among water utilities nationally, the SDWIS file for Randall Community Water District lists no EPA violations for this supplier, whose service area covers 6,248 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Randall Community Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Randall Community Water District have a median household income of $70,833 and about 17,062 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 74% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 33% 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?
Randall Community Water District'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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in South Dakota
System Overview
Randall Community Water District (EPA ID: SD4600433) is a community water system in South Dakota that serves approximately 6,248 people from surface water sources.
This system provides water to 13 ZIP codes across 13 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.004 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
13 of 13 ZIP records with known zones are 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.
- 57313 - Armour
- 57315 - Avon
- 57328 - Corsica
- 57329 - Dante
- 57330 - Delmont
- 57331 - Dimock
- 57342 - Geddes
- 57344 - Harrison
- 57355 - Kimball
- 57356 - Lake Andes
- 57366 - Parkston
- 57369 - Platte
- 57380 - Wagner
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Randall Community Water District (SD4600433) on EPA.gov.
Frequently Asked Questions
Is Randall Community Water District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Randall Community Water District 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 Randall Community Water District serve?
Randall Community Water District serves approximately 6,248 people across 13 ZIP codes in South Dakota.
Where does Randall Community Water District get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: No PFAS Reported Above Reporting Levels
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were reported above UCMR5 minimum reporting levels.
EPA's April 2024 PFAS rule sets MCLs of 4 ppt for PFOA and PFOS and 10 ppt for PFHxS, PFNA and HFPO-DA (GenX); water systems must comply from 2029. Other PFAS compounds have no individual federal MCL. A state standard is shown only where this system's state has its own enforceable PFAS limit. Detection results are EPA UCMR5 samples, not a measurement at your tap.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Randall Community Water District Water Quality Report, SD. https://zipcheckup.com/water-system/sd4600433/
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