Lewis and Clark Regional Water Syste
EPA ID: SD4602288 · 0 people served · 1 ZIP code
In the most recent five-year monitoring window, Lewis and Clark Regional Water Syste posted zero EPA violations serving 0 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Lewis and Clark Regional Water Syste serves a community with a median household income of $54,720 and an estimated 12,937 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Lewis and Clark Regional Water Syste's water is pumped from underground aquifers. 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.
About 1% of homes in Clay County, South Dakota rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 70th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
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
Lewis and Clark Regional Water Syste (EPA ID: SD4602288) is a community water system in South Dakota that serves approximately 0 people from groundwater sources.
This system serves ZIP code 57069 in Vermillion.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 57069 — Vermillion
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lewis and Clark Regional Water Syste (SD4602288) on EPA.gov.
Frequently Asked Questions
Is Lewis and Clark Regional Water Syste water safe to drink?
Based on EPA records, Lewis and Clark Regional Water Syste has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Lewis and Clark Regional Water Syste serve?
Lewis and Clark Regional Water Syste serves approximately 0 people across 1 ZIP code in South Dakota.
Where does Lewis and Clark Regional Water Syste get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.