City of Opelousas Water System
Groundwater · Local · City of Opelousas Water System, PO Box 1879
This page shows official EPA compliance records for City of Opelousas Water System, including PFAS monitoring data, violation history, contaminant test results, treatment options, and certified testing lab links for Louisiana.
City of Opelousas Water System is a groundwater system serving 20,388 residents in Louisiana (PWSID: LA1097010). The system currently has 4 open health-based violations recorded in the EPA federal database. EPA UCMR 5 monitoring returned 116 PFAS records for this utility.
At a Glance
LA1097010Intelligence Summary · City of Opelousas Water System
Moderate Concern
Contaminants detected within limits but elevated. Consider filtration.
Why moderate?
This utility has 4 open health-based violations recorded by the EPA. These are cases where a contaminant exceeded the EPA's legal limit and has not yet been formally resolved in the federal database. Contact the utility directly or review their latest Consumer Confidence Report for current status.
Utility Overview
Population Served
20,388
Source Type
Groundwater
Ownership
Local
PWSID
LA1097010
Detected Contaminants
CCR data ingestion in progress
Contaminant detection levels from Consumer Confidence Reports are being parsed and linked to utilities. Check back soon, or view the official report directly from the EPA links below.
View on EPA ECHOViolation History
Sourced from EPA SDWIS. Health-based violations mean a contaminant exceeded the legal limit. Monitoring/Reporting violations mean required test results were not submitted to EPA — not necessarily that the water is unsafe.
Treatment Technique
OpenTreatment Technique
OpenTreatment Technique
OpenTreatment Technique
OpenOther — Nitrate
ResolvedOther — Nitrate
ResolvedOther — Nitrate
ResolvedOther — Nitrate
ResolvedMonitoring & Reporting — Haloacetic Acids (HAA5)
ResolvedMonitoring & Reporting — Total Trihalomethanes (TTHMs)
ResolvedTreatment Technique
ResolvedTreatment Technique
ResolvedMonitoring & Reporting — Lead
ResolvedTreatment Technique
ResolvedOther — Nitrate
Resolved1 additional monitoring/reporting failure
Required test submissions not filed with EPA — no contaminant data recorded. These are administrative failures, not health violations.
EPA UCMR 5 monitoring (2023–2025) returned 116 PFAS records for City of Opelousas Water System. Detection is not a regulatory violation, but indicates PFAS compounds were measured during the unregulated contaminant monitoring cycle. Review the full records and compare detected levels against current EPA MCLs.
Filtration Recommendations
Based on the overall risk level, these treatment methods are most relevant for residents.
What should I do next?
PFAS monitoring records are on file for City of Opelousas Water System. Review the detected compounds, compare them with current regulatory guidance, and check whether your home filter is certified for PFAS reduction.
City of Opelousas Water System — Water Quality FAQs
Explore This Water System
Louisiana drinking water report
State-level utility directory, open violations, and PFAS data
PFAS monitoring records for this system
Official EPA UCMR 5 sampling data — 116 records
Official EPA contamination & sampling records
Violation history, PFAS detections, and official source links
Certified water testing labs in Louisiana
State-certified labs for PFAS, lead, nitrate, and bacteria testing
Water treatment options
Reverse osmosis, activated carbon, and whole-home filtration guides
About this data
Data sources, update cadence, and accuracy notes
BATON ROUGE WATER COMPANY
Nearby water system — compare violations and PFAS records
NEW ORLEANS CARROLLTON WATER WORKS
Nearby water system — compare violations and PFAS records
Common Questions About This Water System
Does City of Opelousas Water System have PFAS monitoring records?
116 official EPA UCMR 5 PFAS sampling records on file
Are there EPA violations on record for City of Opelousas Water System?
7 health-based violations recorded in EPA SDWIS
How do I get my water tested in Louisiana?
State-certified labs for PFAS, lead, nitrate, and bacteria testing
What water treatment options address these contaminants?
Reverse osmosis, activated carbon, and whole-home filtration guides with NSF certification data
Where can I find official sampling records for this system?
Official EPA SDWIS violations and UCMR 5 PFAS sampling records with source links
Public drinking water datasets may not include every recent test, private well result, household plumbing issue, or local advisory. Use this page as a starting point, not as a substitute for official guidance, your utility's Consumer Confidence Report, or professional testing.
Water Utility Report summarizes public records from official federal, state, utility, or testing datasets where available. For urgent health or compliance questions, contact your utility, local health department, or the EPA directly. How Water Utility Report uses public drinking water data
Related Pages
Data Sources & Provenance
All data on this page is sourced from official U.S. government or public datasets.
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At a Glance
Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.
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Data Sources