Wr/lj - Creighton Project
EPA ID: SD4602156 · 1,170 people served · 8 ZIP codes
ZipCheckup's reading of EPA records for Wr/lj - Creighton Project (SD4602156): no drinking-water violations recorded since 2021. EPA monitoring records reviewed for Wr/lj - Creighton Project list no violations. That describes the federal file only, not a test of the water at any tap, for a utility that reports serving approximately 1,170 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Wr/lj - Creighton Project Source: EPA SDWIS service area boundaries.
Service area boundary - average Home Safety grade of mapped ZIPs: B
Demographics of ZIP Codes Served
The ZIP codes associated with Wr/lj - Creighton Project have a median household income of $67,164 and about 16,635 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 59% 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?
Wr/lj - Creighton Project'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
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
Wr/lj - Creighton Project (EPA ID: SD4602156) is a community water system in South Dakota that serves approximately 1,170 people from groundwater sources.
This system provides water to 8 ZIP codes across 8 communities.
ZIP-Area Home Safety Context: B (83/100)
This is the average Home Safety Score for 1 of 8 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
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 | 2025-12-31 |
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
8 of 8 ZIP records with known zones are 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.
- 57543 - Kadoka
- 57552 - Midland
- 57567 - Philip
- 57719 - Box Elder
- 57761 - New Underwood
- 57775 - Quinn
- 57780 - Scenic
- 57790 - Wall
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Wr/lj - Creighton Project (SD4602156) on EPA.gov.
Frequently Asked Questions
Is Wr/lj - Creighton Project water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Wr/lj - Creighton Project 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 Wr/lj - Creighton Project serve?
Wr/lj - Creighton Project serves approximately 1,170 people across 8 ZIP codes in South Dakota.
Where does Wr/lj - Creighton Project get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Wr/lj - Creighton Project Water Quality Report, SD. https://zipcheckup.com/water-system/sd4602156/
@misc{zipcheckup-water-system-sd4602156,
author = {{ZipCheckup}},
title = {{Wr/lj - Creighton Project Water Quality Report, SD}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/sd4602156/}
}