Saint Rose, LA: High Radon Risk — 37/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Systems across Saint Rose show elevated violation counts against LA benchmarks — the low safety grade reflects that ongoing compliance pattern.
How Saint Rose Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Saint Rose Water
- Homes built before 1986: 53% — older plumbing may contain lead solder.
- Estimated remediation: $2,300 per household.
- CDC health risk index: 13.78 — above typical levels.
Who Supplies Your Water in Saint Rose
Because residential water in Saint Rose, LA flows primarily through a single utility, infrastructure decisions, rate-setting, and EPA compliance are all managed within one organizational structure. Federal records show 1 system active in the area, but one provider dominates the service landscape for most homes and apartments.
Overview
We track water quality and home safety data for 1 ZIP code in Saint Rose, Louisiana (population ~6,939), covering 1 community water system serving approximately 52,879 people region-wide.
No EPA violations recorded across any ZIP codes in Saint Rose — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Saint Rose: F (37/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Saint Rose water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Saint Rose
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 70087 | F | ST CHARLES PARISH DEPT OF WATERWORKS | 52,879 |
All ZIP Codes in Saint Rose
- 70087 [F]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Saint Rose
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Housing & Infrastructure in Saint Rose
With 53% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Heavily weighted toward older construction, Saint Rose's housing stock carries a median build year of 1984. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Saint Rose were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Saint Rose Homeowners
Property value and cost data for Saint Rose produce a moderate remediation-share classification — a level where advance financial planning has real practical value and the commitment is realistic for most homeowners who approach it deliberately.
Remediation costs are moderate relative to home values in Saint Rose. The estimated $1,500–$3,300 range is manageable for most homeowners but still worth budgeting for. Home values are 24% above the Louisiana average.
Lead Exposure Risk for Children in Saint Rose
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
When older housing represents 53% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Saint Rose address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Saint Rose
Unlike communities where NFIP data shows minimal flood history, Saint Rose's record documents 1273 claims and 100% of ZIP codes inside FEMA flood zones — a combination that moves flood-related water quality risk from the background into the foreground of any complete local water assessment. Flooding can overwhelm treatment capacity, contaminate wells, and trigger distribution backflow; at this level of exposure, those mechanisms have likely been activated during significant flood events.
Saint Rose has a significant flood history with 1,273 FEMA flood insurance claims on record, averaging $21,248 per claim. With 100% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$2,300</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Saint Rose
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 53% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Saint Rose, LA