ZipCheckup grade for 70737: B.
This ZIP has a few items worth a quick check.
Your top priority: match a filter's certification to the violations (17 health-based violations). Check your ZIP → NSF certified filters
Gonzales, LA (70737): 17 Health-Based Violations Recorded for Mapped Water Systems - 83/100
EPA data combined for 9 water systems mapped to this ZIP (largest mapped system: City of Gonzales Water System)
Health-based violation records by water system:
- LA1005118 (10)
- Pine Trailer Park (6)
- LA1005085 (1)
EPA records for the water systems mapped to 70737 in Gonzales, LA contain 51 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 17 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 17 health-based violations and 34 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 1,899 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
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Check the critical finding below for 70737 in Gonzales - it is the only critical or high-priority finding documented in this record.
Score Breakdown
Overall Home Safety Score: 83/100
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) CRITICAL
Your Water System
ZIP code 70737 in Gonzales, Louisiana is mapped to the water system City of Gonzales Water System (EPA ID: LA1005030). This system provides water to approximately 16,806 people from groundwater sources.
There are 9 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| City of Gonzales Water System | LA1005030 | 16,806 | Groundwater |
| Baton Rouge Water Company | LA1033005 | 596,844 | Groundwater |
| Pine Trailer Park | LA1005152 | 60 | Groundwater |
| Diversion Water - Stonehill | LA1063123 | 225 | Groundwater |
| Diversion Water - Cypress Lakes | LA1005208 | 111 | Groundwater |
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
- 70728 (Duplessis) - 4 mi
- 70707 (Gonzales) - 4 mi
- 70718 (Brittany) - 4 mi
- 70769 (Prairieville) - 4 mi - 22 violations recorded for mapped water systems
- 70774 (Saint Amant) - 4 mi - 5 violations recorded for mapped water systems
- 70778 (Sorrento) - 5 mi - 5 violations recorded for mapped water systems
- 70734 (Geismar) - 6 mi - 4 violations recorded for mapped water systems
- 70738 (Burnside) - 8 mi
- 70727 (Denham Springs) - 8 mi
- 70733 (French Settlement) - 8 mi - 2 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 City of Gonzales Water System (LA1005030) 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.
Compliance History
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 70737 show no PFAS detections among the compounds tested, at the program's reporting levels.
The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.
Environmental Hazards (11) HIGH
Home & Infrastructure (6) OK
Cost & Community (9) OK
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Gonzales
Based on local data for ZIP 70737, 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 Gonzales has 1,899 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)
Roofing Inspection & Repair
Active weather alerts in Louisiana increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
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 70737 safe to drink?
EPA SDWIS records 51 violations since 2021 across the water systems mapped to ZIP 70737 (primary system: City of Gonzales Water System), including 17 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 70737's water come from?
The recorded water source for City of Gonzales Water System, a system mapped to ZIP code 70737, is Groundwater. This system serves approximately 16,806 people.
How does Gonzales water compare to the national average?
Gonzales's Home Safety Score ranks better than 67% of U.S. ZIP codes, and lower than 90% of ZIP codes within Louisiana.
How can I get my water tested in Gonzales?
If City of Gonzales Water System 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.
What is the radon risk for 70737?
70737 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Ascension County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 70737?
FEMA records contain 1899 flood insurance claims filed in ZIP code 70737; the recorded rated-zone value (the most frequent one if there are several claims) is AE, 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). Gonzales, LA (70737): 17 Health-Based Violations Recorded for Mapped Water Systems - 83/100. https://zipcheckup.com/report/70737/
@misc{zipcheckup-report-70737,
author = {{ZipCheckup}},
title = {{Gonzales, LA (70737): 17 Health-Based Violations Recorded for Mapped Water Systems - 83/100}},
year = {2026},
url = {https://zipcheckup.com/report/70737/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 70737
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 70728 | Duplessis, LA | 3.7 mi | N/A | 0 |
| 70707 | Gonzales, LA | 4.1 mi | N/A | 0 |
| 70718 | Brittany, LA | 4.3 mi | N/A | 0 |
| 70769 | Prairieville, LA | 4.4 mi | B | 22 |
| 70774 | Saint Amant, LA | 4.5 mi | A | 5 |
| 70778 | Sorrento, LA | 5.4 mi | A | 5 |
| 70734 | Geismar, LA | 5.7 mi | A | 4 |
| 70738 | Burnside, LA | 7.5 mi | N/A | 0 |
| 70727 | Denham Springs, LA | 7.7 mi | N/A | 0 |
| 70733 | French Settlement, LA | 8.0 mi | N/A | 2 |
Nearby ZIP Code Reports
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