City of Horn Lake - Twin Lakes
EPA ID: MS0170025 · 1,948 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for City of Horn Lake - Twin Lakes (MS0170025): 4 EPA violations in the last five years. City of Horn Lake - Twin Lakes carries 4 resolved violations in the five-year EPA record - each has been formally closed, and the supplier, which serves approximately 1,948 people, now meets all applicable federal drinking water standards with no open enforcement activity remaining.
Data: EPA SDWIS
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 35,793 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.
Infrastructure Risk
Detected Contaminants
How City of Horn Lake - Twin Lakes compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 2 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 2 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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 3 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2024 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| January 1, 2024 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| January 1, 2023 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| January 1, 2023 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0078 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for City of Horn Lake - Twin Lakes; its 4 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does City of Horn Lake - Twin Lakes serve?
City of Horn Lake - Twin Lakes serves approximately 1,948 people across 3 ZIP codes in Mississippi.
Where does City of Horn Lake - Twin Lakes get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). City of Horn Lake - Twin Lakes (MS): 4 EPA Violations. https://zipcheckup.com/water-system/ms0170025/
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title = {{City of Horn Lake - Twin Lakes (MS): 4 EPA Violations}},
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url = {https://zipcheckup.com/water-system/ms0170025/}
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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
City of Horn Lake - Twin Lakes (EPA ID: MS0170025) - request the latest Consumer Confidence Report or ask about specific contaminants.