Assumption Parish Ww District 1
EPA ID: LA1007001 · 21,366 people served · 6 ZIP codes
ZipCheckup's reading of EPA SDWIS for Assumption Parish Ww District 1 (LA1007001): no EPA violations recorded in the last five years. Throughout five consecutive years of federal water monitoring, Assumption Parish Ww District 1 recorded zero violation - solid performance for a utility serving 21,366 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Assumption Parish Ww District 1 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Assumption Parish Ww District 1 serves a community with a median household income of $48,291 and an estimated 34,370 residents across its service area. Approximately 69% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% 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?
Assumption Parish Ww District 1's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 14 detections recorded.
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
Assumption Parish Ww District 1 (EPA ID: LA1007001) is a community water system in Louisiana that serves approximately 21,366 people from surface water sources.
This system provides water to 6 ZIP codes across 6 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.002 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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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.
- 70341 - Belle Rose
- 70372 - Labadieville
- 70380 - Morgan City
- 70390 - Napoleonville
- 70391 - Paincourtville
- 70393 - Plattenville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Assumption Parish Ww District 1 (LA1007001) on EPA.gov.
Frequently Asked Questions
Is Assumption Parish Ww District 1 water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Assumption Parish Ww District 1 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 Assumption Parish Ww District 1 serve?
Assumption Parish Ww District 1 serves approximately 21,366 people across 6 ZIP codes in Louisiana.
Where does Assumption Parish Ww District 1 get its water?
The primary water source is surface water.
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.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Assumption Parish Ww District 1, LA: Serves 21K People. https://zipcheckup.com/water-system/la1007001/
@misc{zipcheckup-water-system-la1007001,
author = {{ZipCheckup}},
title = {{Assumption Parish Ww District 1, LA: Serves 21K People}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/la1007001/}
}