New Orleans Carrollton Water Works
EPA ID: LA1071009 · 334,903 people served · 93 ZIP codes
Federal compliance records for New Orleans Carrollton Water Works list 2 open violations that have not yet been resolved — the utility serves approximately 334,903 people, and each outstanding finding remains logged and active in the EPA enforcement database.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 186 (2021) to 171 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for New Orleans Carrollton Water Works Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The New Orleans Carrollton Water Works serves a community with a median household income of $58,993 and an estimated 648,612 residents across its service area. Approximately 64% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 56% 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?
New Orleans Carrollton Water Works'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.
About 1% of homes in Jefferson Parish, Louisiana rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 68th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How New Orleans Carrollton Water Works compares to EPA limits
What This Means For You
Chlorite at 7 mg/L exceeds the EPA maximum of 1 mg/L. Anemia and nervous system effects in infants and children. Consider ferrous sulfate reduction filtration.
Stage 1 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 119 detections recorded. 36 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Chlorite was detected in this water system. ferrous sulfate reduction filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
NEW ORLEANS CARROLLTON WATER WORKS (EPA ID: LA1071009) is a community water system in Louisiana that serves approximately 334,903 people from surface water sources.
This system provides water to 93 ZIP codes across 17 communities.
Average Home Safety Score: C (68/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2025 | Fecal Coliform | Health-based | Resolved |
| September 4, 2024 | Stage 1 DBP Rule | Monitoring | Unresolved |
| June 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| February 21, 2023 | Lead and Copper Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Chlorite | Disinfection Byproducts | 7 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 2 | No |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Lead and Copper Rule | Treatment Failure | 2 | No |
| Consumer Confidence Report Rule | Reporting Failure | 2 | No |
| Fecal Coliform | Microbiological | 2 | Yes |
| Contaminant 0700 | Other Violation | 1 | Yes |
Health Risk Details
Chlorite (EPA limit: 1 mg/L)
Anemia and nervous system effects in infants and children At-risk groups: infants, developing fetuses, people with G6PD deficiency.
Removal methods: ferrous sulfate reduction, activated carbon, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 70112 | 0.005 mg/L | No | N/A |
| 70113 | 0.005 mg/L | No | N/A |
| 70114 | 0.005 mg/L | No | N/A |
| 70115 | 0.005 mg/L | No | N/A |
| 70116 | 0.005 mg/L | No | N/A |
| 70117 | 0.005 mg/L | No | N/A |
| 70118 | 0.005 mg/L | No | N/A |
| 70119 | 0.005 mg/L | No | N/A |
| 70121 | 0.005 mg/L | No | N/A |
| 70122 | 0.005 mg/L | No | N/A |
| 70123 | 0.005 mg/L | No | N/A |
| 70124 | 0.005 mg/L | No | N/A |
| 70125 | 0.005 mg/L | No | N/A |
| 70126 | 0.005 mg/L | No | N/A |
| 70127 | 0.005 mg/L | No | N/A |
| 70128 | 0.005 mg/L | No | N/A |
| 70129 | 0.005 mg/L | No | N/A |
| 70130 | 0.005 mg/L | No | N/A |
| 70131 | 0.005 mg/L | No | N/A |
| 70139 | 0.005 mg/L | No | N/A |
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: 19 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 74 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 93 ZIP codes:
70001 · 70002 · 70003 · 70004 · 70005 70006 · 70009 · 70010 · 70011 · 70032 70033 · 70036 · 70038 · 70041 · 70050 70053 · 70055 · 70059 · 70060 · 70062 70063 · 70064 · 70065 · 70067 · 70073 70081 · 70082 · 70083 · 70091 · 70097 70112 · 70113 · 70114 · 70115 · 70116 70117 · 70118 · 70119 · 70121 · 70122 70123 · 70124 · 70125 · 70126 · 70127 70128 · 70129 · 70130 · 70131 · 70139 70140 · 70141 · 70142 · 70143 · 70145 70146 · 70148 · 70150 · 70151 · 70152 70153 · 70154 · 70156 · 70157 · 70158 70159 · 70160 · 70161 · 70162 · 70163 70164 · 70165 · 70166 · 70167 · 70170 70172 · 70174 · 70175 · 70176 · 70177 70178 · 70179 · 70181 · 70182 · 70183 70184 · 70185 · 70186 · 70187 · 70189 70190 · 70195 · 70358
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for New Orleans Carrollton Water Works (LA1071009) on EPA.gov.
Frequently Asked Questions
Is New Orleans Carrollton Water Works water safe to drink?
New Orleans Carrollton Water Works has recorded 8 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does New Orleans Carrollton Water Works serve?
New Orleans Carrollton Water Works serves approximately 334,903 people across 93 ZIP codes in Louisiana.
Where does New Orleans Carrollton Water Works get its water?
The primary water source is surface water.
Contact Your Water Utility
Public-record contact information for the water utility serving this system. Use these channels to request water quality reports, ask about service, or report issues directly.
Contact information from Sewerage And Water Board Of New Orleans Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility, does not act as its agent, and does not provide customer support for it. Contact details shown are public-record information from CCR filings. For service issues, contact the utility directly using the information above.
Water Source & Treatment
Where this water originates and how it's treated before reaching your tap.
Source: Sewerage And Water Board Of New Orleans Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.
Treatment regime
How this utility classifies its treatment process and what each reported treatment chemical does.
Treatment chemicals and what each one does
Chemical names are reported verbatim by the utility. Purpose categories are ZipCheckup annotations based on standard drinking-water treatment practice.
Treatment classification and chemical list sourced from Sewerage And Water Board Of New Orleans Consumer Confidence Report.
Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.
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 →
PFAS Substances Detected in This System
This water system's Consumer Confidence Report disclosed the following PFAS compounds. Levels are from the utility's most recent reporting cycle.
In April 2024, EPA finalized the first National Primary Drinking Water Regulation for six PFAS. Public water systems have until 2029 to comply. EPA — PFAS regulation overview →
Source: Consumer Confidence Report disclosed by Sewerage And Water Board Of New Orleans.
ZipCheckup is not affiliated with this water utility. PFAS detection data is sourced from public Consumer Confidence Reports filed by the utility itself.
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.
Aesthetic water quality
These measurements describe the look, taste, and feel of the water this utility delivers. They are not contaminant violations — they sit alongside federal Secondary Maximum Contaminant Levels (SMCLs) which the EPA publishes as non-enforceable guidance.
Aesthetic measurements from Sewerage And Water Board Of New Orleans Consumer Confidence Report.
Aesthetic measurements are reported by the utility from its annual sampling. EPA Secondary MCLs are advisory thresholds — values outside them indicate aesthetic concerns such as taste or appearance, not health violations. Federal contaminant testing is shown in the sections above.
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.
- Lead service line replacement program ongoing; SWBNO replacing lead service lines at no cost to property owners
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.
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
New Orleans Carrollton Water Works (EPA ID: LA1071009) — request the latest Consumer Confidence Report or ask about specific contaminants.