ZipCheckup grade for 70084: A.
Checked records flag no major concern; missing data is unknown.
Reserve, LA (70084): PFAS Detected in Mapped Water Systems - 99/100
EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: St John Water District 1)
EPA records for the water systems mapped to 70084 in Reserve, LA contain 2 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 2 violations (non-health) (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 407 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
Get updates when new water-quality data is available for your area
Free alerts when new EPA data affects ZIP code 70084. No spam - just safety updates.
Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.
See incorrect data? Let us know
Safety datasets compiled for 70084 in Reserve return 1 finding at the high-priority level - each is backed by source data and classification criteria, and the critical tier of the same record shows no entries.
Score Breakdown
Overall Home Safety Score: 99/100
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 (7) HIGH
Your Water System
ZIP code 70084 in Reserve, Louisiana is mapped to the water system St John Water District 1 (EPA ID: LA1095003). This system provides water to approximately 10,484 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 |
|---|---|---|---|
| St John Water District 1 | LA1095003 | 10,484 | Surface water |
| St John Water District 2 | LA1095002 | 3,702 | Surface water |
Other Water Quality Reports in Louisiana
- 70001 (Metairie)
- 70002 (Metairie)
- 70003 (Metairie)
- 70004 (Metairie)
- 70005 (Metairie)
- 70006 (Metairie)
- 70009 (Metairie)
- 70010 (Metairie)
- 70011 (Metairie)
- 70030 (Des Allemands)
- 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)
Nearby Water Quality Reports
- 70049 (Edgard) - 3 mi - 8 violations recorded for mapped water systems
- 70068 (La Place) - 4 mi - 1 violation recorded for mapped water systems
- 70051 (Garyville) - 4 mi - 1 violation recorded for mapped water systems
- 70069 (La Place) - 5 mi
- 70076 (Mount Airy) - 5 mi - 1 violation recorded for mapped water systems
- 70052 (Gramercy) - 8 mi - 6 violations recorded for mapped water systems
- 70079 (Norco) - 9 mi
- 70071 (Lutcher) - 9 mi - 3 violations recorded for mapped water systems
- 70057 (Hahnville) - 11 mi
- 70763 (Paulina) - 11 mi - 4 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for St John Water District 1 (LA1095003) 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 70084.
Detected compounds: PFBA, PFBS.
Highest measured level: 0.006 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) 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.
Protect Your Home in Reserve
Based on local data for ZIP 70084, 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 Reserve has 407 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 70084 was built around 1975. 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 CostsWindow Replacement
The median build year of homes in Reserve is 1975; 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 CostsRoofing Inspection & Repair
Homes built around 1975 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 NeedsService 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 70084 safe to drink?
EPA SDWIS records 2 violations since 2021 across the water systems mapped to ZIP 70084 (primary system: St John Water 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 70084's water come from?
The recorded water source for St John Water District 1, a system mapped to ZIP code 70084, is Surface water. This system serves approximately 10,484 people.
How does Reserve water compare to the national average?
Reserve's Home Safety Score ranks better than 91% of U.S. ZIP codes, and at or above 68% within Louisiana.
How can I get my water tested in Reserve?
If St John Water 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 70084 tap water?
The Lead and Copper Rule record selected for 70084 reports a 90th-percentile lead result of 0.002 mg/L for a water system mapped to this ZIP (record date 2024-12-31). 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 70084?
70084 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in St. John the Baptist 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 70084's water?
Yes, PFAS have been detected in samples from water systems mapped to 70084. 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 70084?
FEMA records contain 407 flood insurance claims filed in ZIP code 70084; 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). Reserve, LA (70084): PFAS Detected in Mapped Water Systems - 99/100. https://zipcheckup.com/report/70084/
@misc{zipcheckup-report-70084,
author = {{ZipCheckup}},
title = {{Reserve, LA (70084): PFAS Detected in Mapped Water Systems - 99/100}},
year = {2026},
url = {https://zipcheckup.com/report/70084/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 70084
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 70049 | Edgard, LA | 2.7 mi | A | 8 |
| 70068 | La Place, LA | 3.9 mi | A | 1 |
| 70051 | Garyville, LA | 4.1 mi | N/A | 1 |
| 70069 | La Place, LA | 4.6 mi | N/A | 0 |
| 70076 | Mount Airy, LA | 5.1 mi | N/A | 1 |
| 70052 | Gramercy, LA | 8.3 mi | A | 6 |
| 70079 | Norco, LA | 8.8 mi | N/A | 0 |
| 70071 | Lutcher, LA | 9.0 mi | A | 3 |
| 70057 | Hahnville, LA | 10.7 mi | N/A | 0 |
| 70763 | Paulina, LA | 11.2 mi | N/A | 4 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
Home Safety Score →Find the right water filter
Water Filter Matcher →Compare filters, tests & services
Compare My Options →Compare with another ZIP
Compare Tool →2026 Rankings
ZIP 70084 scores in the top tier nationally.