City of Horn Lake - Twin Lakes
EPA ID: MS0170025 · 1,948 people served · 5 ZIP codes
Water monitoring for City of Horn Lake - Twin Lakes: clean, five years, 1,948 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 4 (2022) to 6 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for City of Horn Lake - Twin Lakes Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The City of Horn Lake - Twin Lakes serves a community with a median household income of $68,567 and an estimated 81,354 residents across its service area.
💧 Where Does Your Water Come From?
City of Horn Lake - Twin Lakes'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 DeSoto County, Mississippi 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 Mississippi
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
City of Horn Lake - Twin Lakes (EPA ID: MS0170025) is a community water system in Mississippi that serves approximately 1,948 people from groundwater sources.
This system provides water to 5 ZIP codes across 5 communities.
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
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 MS or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Horn Lake - Twin Lakes (MS0170025) on EPA.gov.
Frequently Asked Questions
Is City of Horn Lake - Twin Lakes water safe to drink?
Based on EPA records, City of Horn Lake - Twin Lakes has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does City of Horn Lake - Twin Lakes serve?
City of Horn Lake - Twin Lakes serves approximately 1,948 people across 5 ZIP codes in Mississippi.
Where does City of Horn Lake - Twin Lakes 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.