Crowley Water System (lawco)
EPA ID: LA1001002 · 17,733 people served · 44 ZIP codes
Zero EPA violations over five years — Crowley Water System (lawco) has kept tap water compliance clean for its full service population of 17,733.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 3 (2021) to 2 (2025). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Crowley Water System (lawco) Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Crowley Water System (lawco) serves a community with a median household income of $54,617 and an estimated 419,741 residents across its service area. Approximately 56% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 44% 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?
Crowley Water System (lawco)'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 Acadia 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
Crowley Water System (lawco) (EPA ID: LA1001002) is a community water system in Louisiana that serves approximately 17,733 people from groundwater sources.
This system provides water to 44 ZIP codes across 3 communities.
Average Home Safety Score: D (42/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
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: 2 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 42 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
This system serves 44 ZIP codes:
70526 · 70578 · 70801 · 70802 · 70803 70804 · 70805 · 70806 · 70807 · 70808 70809 · 70810 · 70811 · 70812 · 70813 70814 · 70815 · 70816 · 70817 · 70818 70819 · 70820 · 70821 · 70822 · 70823 70825 · 70826 · 70827 · 70831 · 70833 70835 · 70836 · 70837 · 70873 · 70874 70879 · 70884 · 70891 · 70892 · 70893 70894 · 70895 · 70896 · 70898
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Crowley Water System (lawco) (LA1001002) on EPA.gov.
Frequently Asked Questions
Is Crowley Water System (lawco) water safe to drink?
Based on EPA records, Crowley Water System (lawco) has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Crowley Water System (lawco) serve?
Crowley Water System (lawco) serves approximately 17,733 people across 44 ZIP codes in Louisiana.
Where does Crowley Water System (lawco) 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:
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.
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
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
Crowley Water System (lawco) (EPA ID: LA1001002) — request the latest Consumer Confidence Report or ask about specific contaminants.