St Tam Parish - Alton
EPA ID: LA1103145 · 499 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for St Tam Parish - Alton (LA1103145): no EPA violations recorded in the last five years. St Tam Parish - Alton earns a clean bill from EPA monitoring - no violations in five years across a service area of 499 people.
Data: EPA SDWIS
Service Area Map
Coverage area for St Tam Parish - Alton Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The St Tam Parish - Alton serves a community with a median household income of $62,046 and an estimated 13,290 residents across its service area.
💧 Where Does Your Water Come From?
St Tam Parish - Alton'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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Louisiana
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
St Tam Parish - Alton (EPA ID: LA1103145) is a community water system in Louisiana that serves approximately 499 people from groundwater sources.
This system serves ZIP code 70452 in Pearl River.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0012 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 LA or modeled from parcel and building-footprint data.
- 70452 - Pearl River
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for St Tam Parish - Alton (LA1103145) on EPA.gov.
Frequently Asked Questions
Is St Tam Parish - Alton water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for St Tam Parish - Alton 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 St Tam Parish - Alton serve?
St Tam Parish - Alton serves approximately 499 people across 1 ZIP code in Louisiana.
Where does St Tam Parish - Alton get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). St Tam Parish - Alton Water Quality Report, LA. https://zipcheckup.com/water-system/la1103145/
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author = {{ZipCheckup}},
title = {{St Tam Parish - Alton Water Quality Report, LA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/la1103145/}
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