Water Quality Report

Napoleonville, LA (70390): PFAS Detected in Mapped Water Systems

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Assumption Parish Ww District 1)

PFAS Detected NFIP Claim History

EPA records for the water systems mapped to 70390 in Napoleonville, LA contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality No violations
Lead Risk Below action level 0.002 mg/L, 90th percentile, sample period ending 2023-12-31
NFIP Claim History Claim records 104 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water No drinking-water violations in EPA records since 2021.
  • Lead The reported 90th-percentile lead result of 0.002 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
  • Flood 104 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
Contaminant Summary
PFAS Detected
PFAS detected
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
2
Water Systems
21,366
People Served
0
Health Violations (since 2021)
Surface water
Water Source
0.002 mg/L
Reported Lead Result
Zone 3
County Radon Potential · Low
$152K
Median Home ValueState median: $154K

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
100/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
100/100
Indoor environment
100/100
Outdoor environment
Unknown

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) HIGH

Your Water System

ZIP code 70390 in Napoleonville, Louisiana is mapped to the water system Assumption Parish Ww District 1 (EPA ID: LA1007001). This system provides water to approximately 21,366 people from surface water sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Assumption Parish Ww District 1 LA1007001 21,366 Surface water
Ascension Consolidated Utility District 1 LA1005045 2,229 Surface water

Other Water Quality Reports in Louisiana

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Assumption Parish Ww District 1 (LA1007001) on EPA.gov.

4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 70390.

Detected compounds: 6:2 FTS, PFBA.

Highest measured level: 0.015 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) HIGH
Home & Infrastructure (6) MODERATE
Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Napoleonville

Based on local data for ZIP 70390, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

The ZIP code for this report in Napoleonville has 104 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Gutter Installation & Repair

The median home in 70390 was built around 1972. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Napoleonville is 1972; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1972 may be on their second or third roof. A professional inspection can catch damage before leaks start.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 70390 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 70390 (primary system: Assumption Parish Ww District 1), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 70390's water come from?

The recorded water source for Assumption Parish Ww District 1, a system mapped to ZIP code 70390, is Surface water. This system serves approximately 21,366 people.

How can I get my water tested in Napoleonville?

If Assumption Parish Ww District 1 supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 70390 tap water?

The Lead and Copper Rule record selected for 70390 reports a 90th-percentile lead result of 0.002 mg/L for a water system mapped to this ZIP (record date 2023-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 70390?

70390 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Assumption County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 70390's water?

Yes, PFAS have been detected in samples from water systems mapped to 70390. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

What does the NFIP claim history show for ZIP 70390?

FEMA records contain 104 flood insurance claims filed in ZIP code 70390; the recorded rated-zone value (the most frequent one if there are several claims) is A, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Napoleonville, LA (70390): PFAS Detected in Mapped Water Systems. https://zipcheckup.com/report/70390/
BibTeX
@misc{zipcheckup-report-70390,
  author = {{ZipCheckup}},
  title  = {{Napoleonville, LA (70390): PFAS Detected in Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/70390/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 70390

ZIP Code City, State Distance Grade Violations
70391 Paincourtville, LA 4.7 mi N/A 0
70393 Plattenville, LA 4.7 mi N/A 0
70341 Belle Rose, LA 6.8 mi N/A 0
70372 Labadieville, LA 7.6 mi N/A 7
70339 Pierre Part, LA 9.8 mi N/A 2
70086 Saint James, LA 12.1 mi N/A 1
70346 Donaldsonville, LA 12.1 mi B 1
70723 Convent, LA 13.4 mi A 1
70725 Darrow, LA 14.4 mi A 1
70792 Uncle Sam, LA 15.0 mi N/A 0

Contaminants Detected in 70390

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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Coverage: 14/17 risk factors Data sources →
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