ZipCheckup grade for 70030: A.
Checked records flag no major concern; missing data is unknown.
Des Allemands, LA (70030): PFAS Detected in Mapped Water Systems - 100/100
EPA data for St Charles Parish Department of Waterworks
EPA records for the water systems mapped to 70030 in Des Allemands, 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
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 245 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
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In compiled records for 70030 in Des Allemands, 1 safety condition carry a high-priority designation - no finding in the same dataset meets the critical-level classification.
Score Breakdown
Overall Home Safety Score: 100/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) HIGH
Your Water System
ZIP code 70030 in Des Allemands, Louisiana is mapped to the water system St Charles Parish Department of Waterworks (EPA ID: LA1089001). This system provides water to approximately 52,879 people from surface water sources.
Other Water Quality Reports in Louisiana
- 70001 (Metairie)
- 70002 (Metairie)
- 70003 (Metairie)
- 70004 (Metairie)
- 70005 (Metairie)
- 70006 (Metairie)
- 70009 (Metairie)
- 70010 (Metairie)
- 70011 (Metairie)
- 70031 (Ama)
- 70032 (Arabi)
- 70033 (Metairie)
- 70036 (Barataria) - 1 violation recorded for mapped water systems
- 70037 (Belle Chasse) - 1 violation recorded for mapped water systems
- 70038 (Boothville) - 25 violations recorded for mapped water systems
- 70039 (Boutte)
- 70040 (Braithwaite)
- 70041 (Buras) - 25 violations recorded for mapped water systems
- 70043 (Chalmette)
- 70044 (Chalmette)
Nearby Water Quality Reports
- 70080 (Paradis) - 4 mi
- 70039 (Boutte) - 6 mi
- 70355 (Gheens) - 8 mi
- 70070 (Luling) - 9 mi
- 70371 (Kraemer) - 10 mi
- 70375 (Mathews) - 11 mi
- 70057 (Hahnville) - 11 mi
- 70047 (Destrehan) - 11 mi
- 70394 (Raceland) - 12 mi - 1 violation recorded for mapped water systems
- 70078 (New Sarpy) - 12 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for St Charles Parish Department of Waterworks (LA1089001) 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.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 70030.
Detected compounds: PFBA.
Highest measured level: 0.0136 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.
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
Cost & Community (9) MODERATE
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Des Allemands
Based on local data for ZIP 70030, 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 Des Allemands has 245 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)
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 70030 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 70030 (primary system: St Charles Parish Department of Waterworks), 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 70030's water come from?
The recorded water source for St Charles Parish Department of Waterworks, a system mapped to ZIP code 70030, is Surface water. This system serves approximately 52,879 people.
How does Des Allemands water compare to the national average?
Des Allemands's Home Safety Score ranks better than 93% of U.S. ZIP codes, and at or above 75% within Louisiana.
How can I get my water tested in Des Allemands?
If St Charles Parish Department of Waterworks 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 70030 tap water?
The Lead and Copper Rule record selected for 70030 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 70030?
70030 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in St. Charles 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 70030's water?
Yes, PFAS have been detected in samples from water systems mapped to 70030. 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 70030?
FEMA records contain 245 flood insurance claims filed in ZIP code 70030; the recorded rated-zone value (the most frequent one if there are several claims) is X, 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
ZipCheckup. (2026). Des Allemands, LA (70030): PFAS Detected in Mapped Water Systems - 100/100. https://zipcheckup.com/report/70030/
@misc{zipcheckup-report-70030,
author = {{ZipCheckup}},
title = {{Des Allemands, LA (70030): PFAS Detected in Mapped Water Systems - 100/100}},
year = {2026},
url = {https://zipcheckup.com/report/70030/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 70030
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 70080 | Paradis, LA | 4.4 mi | N/A | 0 |
| 70039 | Boutte, LA | 6.5 mi | N/A | 0 |
| 70355 | Gheens, LA | 7.8 mi | A | 0 |
| 70070 | Luling, LA | 8.8 mi | N/A | 0 |
| 70371 | Kraemer, LA | 10.0 mi | N/A | 0 |
| 70375 | Mathews, LA | 10.5 mi | A | 0 |
| 70057 | Hahnville, LA | 10.8 mi | N/A | 0 |
| 70047 | Destrehan, LA | 11.3 mi | N/A | 0 |
| 70394 | Raceland, LA | 11.6 mi | A | 1 |
| 70078 | New Sarpy, LA | 12.1 mi | N/A | 0 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
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ZIP 70030 scores in the top tier nationally.