St Tam Parish - Cross Gates Sd
EPA ID: LA1103053 · 8,037 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for St Tam Parish - Cross Gates Sd (LA1103053): 1 past health-based violation, since resolved. A total of 1 EPA violation spanning the past five monitoring years sit on St Tam Parish - Cross Gates Sd's record - every finding has been officially cleared, and the supplier now holds current compliance status for its service population of approximately 8,037 people, with no outstanding enforcement of any kind.
Data: EPA SDWIS
Service Area Map
Coverage area for St Tam Parish - Cross Gates Sd Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The St Tam Parish - Cross Gates Sd serves a community with a median household income of $88,035 and an estimated 33,572 residents across its service area.
💧 Where Does Your Water Come From?
St Tam Parish - Cross Gates Sd'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
Detected Contaminants
How St Tam Parish - Cross Gates Sd compares to EPA limits
What This Means For You
Contaminant 0700 at 1 mg/L exceeds the EPA maximum of mg/L.
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 - Cross Gates Sd (EPA ID: LA1103053) is a community water system in Louisiana that serves approximately 8,037 people from groundwater sources.
This system serves ZIP code 70461 in Slidell.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 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 |
|---|---|---|---|
| August 13, 2021 | Contaminant 0700 | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 0700 | Other Violation | 1 | Yes |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 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.
- 70461 - Slidell
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 - Cross Gates Sd (LA1103053) on EPA.gov.
Frequently Asked Questions
Is St Tam Parish - Cross Gates Sd water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for St Tam Parish - Cross Gates Sd; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does St Tam Parish - Cross Gates Sd serve?
St Tam Parish - Cross Gates Sd serves approximately 8,037 people across 1 ZIP code in Louisiana.
Where does St Tam Parish - Cross Gates Sd get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
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.
- #49 / 50 Highest Exposure Burden (Louisiana)
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). St Tam Parish - Cross Gates Sd (LA): 1 Health Violation. https://zipcheckup.com/water-system/la1103053/
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title = {{St Tam Parish - Cross Gates Sd (LA): 1 Health Violation}},
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url = {https://zipcheckup.com/water-system/la1103053/}
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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
St Tam Parish - Cross Gates Sd (EPA ID: LA1103053) - request the latest Consumer Confidence Report or ask about specific contaminants.