Davison Rural Water System Inc.
EPA ID: SD4601090 · 3,485 people served · 11 ZIP codes
Over five tracked years, Davison Rural Water System Inc. has stayed completely violation-free for its 3,485 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Davison Rural Water System Inc. Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Davison Rural Water System Inc. serves a community with a median household income of $72,750 and an estimated 28,842 residents across its service area. Approximately 74% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Davison Rural Water System Inc.'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.
About 2% of homes in Davison County, South Dakota rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
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
Davison Rural Water System Inc. (EPA ID: SD4601090) is a community water system in South Dakota that serves approximately 3,485 people from surface water sources.
This system provides water to 11 ZIP codes across 11 communities.
Average Home Safety Score: C (68/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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
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.
- 57301 — Mitchell
- 57314 — Artesian
- 57331 — Dimock
- 57334 — Ethan
- 57359 — Letcher
- 57363 — Mount Vernon
- 57366 — Parkston
- 57368 — Plankinton
- 57375 — Stickney
- 57383 — White Lake
- 57385 — Woonsocket
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Davison Rural Water System Inc. (SD4601090) on EPA.gov.
Frequently Asked Questions
Is Davison Rural Water System Inc. water safe to drink?
Based on EPA records, Davison Rural Water System Inc. has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Davison Rural Water System Inc. serve?
Davison Rural Water System Inc. serves approximately 3,485 people across 11 ZIP codes in South Dakota.
Where does Davison Rural Water System Inc. get its water?
The primary water source is surface water.
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.
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
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Davison Rural Water System Inc. (EPA ID: SD4601090) — request the latest Consumer Confidence Report or ask about specific contaminants.