Thonotosassa, FL: 2 Health Violations — 73/100 (2026)
1 ZIP code · 11 water systems · Updated 2026-06-04
The water systems supplying Thonotosassa show a track record of above-average compliance with federal standards — consistently among the better performers in FL.
How Thonotosassa Compares
Data: EPA SDWIS Last verified: 2026-06-04
Key Facts for Thonotosassa Residents
- Your city's water systems recorded 18 violations in the past 5 years.
- Average lead level: 0.0009 mg/L.
- Homes built before 1986: 45% — older plumbing may contain lead solder.
- Estimated remediation: $3,100 per household.
- CDC health risk index: 11.98.
Thonotosassa's Water Providers
Thonotosassa, FL draws its residential water from 3 separate providers among the 11 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
Overview
We track water quality and home safety data for 1 ZIP code in Thonotosassa, Florida (population ~11,931), covering 11 community water systems serving approximately 1,209,719 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 2 health-based violations documented.
Home Safety Score
Average Home Safety Score for Thonotosassa: B (73/100)
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
Thonotosassa water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0009 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 14 | 1 |
| Total Coliform | Microbiological | 8 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 4 | 1 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 4 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 33592 | B | 18 | 2 | Happy Traveler's Rvp |
All ZIP Codes in Thonotosassa
- 33592 [B] — 18 violations ⚠
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.
Thonotosassa Community Health Snapshot
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
What's in Thonotosassa's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Thonotosassa Infrastructure Age
With 45% 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
Tap water lead levels are shaped by two factors: what the utility delivers, and what the household plumbing adds to it. Older homes contribute disproportionately to that second variable because lead solder was standard in copper plumbing before 1986, and lead pipes were common before 1970. In Thonotosassa, where the median build year is 1982, a substantial share of the housing stock falls into these older categories. The bar chart above breaks out the pre-1970, 1970-to-1986, and post-1986 segments — the key ages for understanding where plumbing-era risk concentrates across the city.
Most homes in Thonotosassa were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Thonotosassa
Given current Thonotosassa property values, the remediation share falls in the moderate tier — an indicator that the household financial perspective here calls for advance planning rather than dismissal, with most homeowners positioned to address documented issues through deliberate budgeting rather than needing to treat remediation as a significant equity event or financial emergency.
Remediation costs are moderate relative to home values in Thonotosassa. The estimated $1,750–$4,700 range is manageable for most homeowners but still worth budgeting for. Home values are 27% below the Florida average.
Thonotosassa: Lead Risk & Vulnerable Populations
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.
Pulling a tap sample fills the gap that utility data cannot close, particularly here where 45% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Thonotosassa.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Thonotosassa: Flood History & Water Damage Risk
NFIP records stretching across multiple decades show Thonotosassa accumulating 33 claims and carrying 100% of its ZIP codes inside FEMA flood zones — evidence of meaningful exposure that extends beyond isolated incidents. The mechanisms linking flooding to water quality haven't changed: treatment facilities can be overwhelmed, wells can be infiltrated, and distribution systems can experience backflow. For a community at this exposure level, those mechanisms shift from hypothetical to periodically relevant.
Thonotosassa has a moderate flood history with 33 FEMA claims averaging $35,335 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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>$3,100</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.
Deep Dive Reports
Detailed analysis for Thonotosassa, FL