Zachary Water System
EPA ID: LA1033030 · 31,569 people served · 1 ZIP code
EPA monitoring data for Zachary Water System shows an unblemished five-year compliance history — no violations of any kind have been recorded for this utility, which supplies water to approximately 31,569 people, covering every reporting cycle without a single MCL exceedance or monitoring lapse.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Zachary Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Zachary Water System serves a community with a median household income of $80,243 and an estimated 30,097 residents across its service area.
Environmental Justice Note: 43% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Zachary Water System'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 East Baton Rouge Parish, Louisiana 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 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
Zachary Water System (EPA ID: LA1033030) is a community water system in Louisiana that serves approximately 31,569 people from groundwater sources.
This system serves ZIP code 70791 in Zachary.
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 note: This system is not yet in the EPA Community Water System Service Area Boundaries v3 dataset, so its service area is derived from SDWIS registry metadata (city of record). Given the system serves 31,569 people, the real service area very likely spans additional ZIP codes that aren't reflected below.
- 70791 — Zachary
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Zachary Water System (LA1033030) on EPA.gov.
Frequently Asked Questions
Is Zachary Water System water safe to drink?
Based on EPA records, Zachary Water System has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Zachary Water System serve?
Zachary Water System serves approximately 31,569 people across 1 ZIP code in Louisiana.
Where does Zachary Water System get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
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 →
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.
Notable events and violations
This section summarizes events the utility chose to disclose in its most recent Consumer Confidence Report, plus any federal compliance violations the utility recorded against itself. Both lists are utility-authored — ZipCheckup does not audit, judge, or reorder them.
Notable events from the utility's CCR
These bullet entries are the utility's own narration of operational, regulatory, or infrastructure events during the reporting period.
- CCR file contains only a water quality grade card (grade B, 85/100); no standard contaminant data tables present. Deductions: financial sustainability (-5 points), customer satisfaction (-10 points, no complaint log maintained).
ZipCheckup note: items above reflect what the utility published in its most recent CCR. Federal violation records are also tracked separately by the EPA Safe Drinking Water Information System (SDWIS) — the SDWIS record is the authoritative federal source for any specific regulatory action.