Data-driven insights for local properties

📊 Environmental Assessment Report

This comprehensive report analyzes both flood risk and industrial pollution exposure for this property. The assessment combines multiple data sources including USGS elevation, FEMA flood zones, historical storm modeling, and EPA Toxic Release Inventory records.

🌊 Part 1: Flood Risk Analysis

Property Overview

This section shows the fundamental characteristics of the property, including its elevation above sea level, FEMA flood zone designation, and our calculated overall flood risk rating based on historical data and topographic analysis.

Address
2021 ESPERANZA ST HOUSTON 77023
Building Size
1,384 sqft
Total structure area from HCAD building records.
Elevation
25.9 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
Overall Risk
Very Low
Risk based on FEMA zone and simulation.

Risk Assessment Outputs

These detailed metrics show the technical outputs from our flood risk model. They include predicted water depths at the property during a 5000-year flood event and estimated flood damage based on USACE methodology.

Risk Rating
Very Low
Flood Depth
0 ft ±0.5 ft
No flooding at current water level.
Water Surface Elevation (WSE)
N/A
Water surface elevation data not available.
Area Inundated
N/A
Data not available
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage Estimate (HCAD Valuation)
$0
Property not flooded at current water level. No damage to calculate.
Depth-Damage Estimate (Neighborhood Comparison)
$0
Property not flooded at current water level. No damage to calculate.
Analysis Method
COG Bathtub Model
Raster-based flood inundation query

Flood Simulation

This simulation shows whether the property would flood based on a 5000-year flood event with 3m (9.84ft) water level. Use the interactive tool to explore different scenarios.

✅ Property Would Be Safe
Safety Margin: 15.9 feet
Severity: Safe

Adjust Flood Simulation

The analysis above uses default settings (5000-year flood, 3m/9.84ft water level). To explore different flood scenarios with interactive maps, return to the main tool:

Open Interactive Analysis Tool

Flood Risk Recommendations

Based on the property's flood risk profile, here are specific action items to consider.

  • FEMA Zone X (minimal hazard) - flood insurance available at preferred rates.
  • Review the interactive flood simulator to understand how different rainfall events could affect this property.
  • Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information.

🏭 Part 2: Industrial Pollution Exposure

Property Pollution Ranking
Moderate
Higher pollution than 72% of Houston homes
This ranking compares pollution levels within 2 miles of this property against 10,000 randomly sampled Houston metro properties. Lower percentiles indicate higher pollution exposure.
Industrial Pollution Nearby (Last 10 Years)
322 thousand lbs
High
49.4x more than typical Houston property
≈ 16 dump trucks of chemicals within 2 miles
Total chemical releases from all industrial facilities within a 2-mile radius over the past decade (2014–2024). Data from EPA's Toxic Release Inventory tracking air, water, and land discharges.
💨 Air Pollution (Last 10 Years)
322 thousand lbs
Very High
66.7x more than typical Houston property
Chemicals released into the air from nearby facilities over 10 years. Includes both fugitive emissions (leaks, evaporation) and stack emissions (smokestacks, vents). May affect local air quality.
💧 Water Pollution (Last 10 Years)
594 lbs
High
Most Houston properties have none nearby
Chemical discharges to surface water (bayous, streams, drainage) from industrial facilities within 2 miles over the past decade. May impact local waterways and drainage systems.

❤️ Why It Matters

High chemical activity nearby can indicate industrial zones, truck traffic, or potential odor and noise issues. These factors may affect air quality, long-term property desirability, and neighborhood character. This data helps you understand the industrial footprint around your property.

🏙️ Houston Metro Benchmarks

Comparison with typical Houston properties (based on 10,000 randomly sampled homes). All measurements are for chemicals released within a 2-mile radius.

PeriodTotalAirWater
Typical Houston Property (2014-2024)6,524 lbs4,822 lbs0 lbs
This Property (2014-2024)322,254 lbs321,661 lbs594 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)652,134 lbs25,869 lbs22 lbs

📊 How This Property Compares to Houston Metro

Based on a random sample of 10,000 Houston properties, this chart shows the distribution of pollution levels across the metro area. The highlighted bar indicates where this property falls compared to other homes. Lower percentiles mean higher pollution exposure.

0-9thMost Polluted
9.9%
10-19th
10.1%
20-29th
9.9%
30-39th
10.1%
40-49th
9.7%
50-59th
10.2%
60-69th
6%
70-79th
5.8%
80-89th
4.3%
90-100thLowest Pollution
34.2%
Higher pollution than 72% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 20-29th percentile (top 25% most polluted).

Top chemicals released near this property (past 10 years):

Zinc compounds, Xylene (mixed isomers), Nitric acid, Ethylene glycol, 1,4-Dioxane

View the full list of 19 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (19 chemicals)

#ChemicalCAS#Air (lbs, 10yr)Water (lbs, 10yr)Total (lbs, 10yr)
1Zinc compoundsN982176,605 lbs0 lbs176,605 lbs
2Xylene (mixed isomers)1330-20-765,543 lbs0 lbs65,543 lbs
3Nitric acid7697-37-235,856 lbs0 lbs35,856 lbs
4Ethylene glycol107-21-114,689 lbs0 lbs14,689 lbs
51,4-Dioxane123-91-110,779 lbs0 lbs10,779 lbs
6Toluene108-88-38,216 lbs0 lbs8,216 lbs
7Lead compoundsN4203,031 lbs0 lbs3,031 lbs
8Copper compoundsN1002,021 lbs0 lbs2,021 lbs
9Phthalic anhydride85-44-92,000 lbs0 lbs2,000 lbs
10Lead And Lead CompoundsN4201,553 lbs0 lbs1,553 lbs
11Manganese7439-96-51,002 lbs357 lbs1,359 lbs
12Lead7439-92-1225 lbs215 lbs439 lbs
13Chromium compounds (except for chromite ore mined in the Transvaal Region)N09086 lbs0 lbs86 lbs
14Nickel compoundsN49522 lbs0 lbs22 lbs
15Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09019 lbs0 lbs19 lbs
16Chromium7440-47-33 lbs12 lbs15 lbs
17Copper And Copper CompoundsN10010 lbs0 lbs10 lbs
18Copper7440-50-80 lbs6 lbs6 lbs
19Nickel7440-02-01 lbs4 lbs5 lbs

Top chemicals released near this property (2024 only):

1,4-Dioxane, Ethylene glycol, Methanol, Zinc compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)

View the full list of 9 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (9 chemicals)

#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
11,4-Dioxane123-91-1328 lbs0 lbs396,851 lbs
2Ethylene glycol107-21-15,094 lbs0 lbs177,549 lbs
3Methanol67-56-10 lbs0 lbs23,673 lbs
4Zinc compoundsN9829,014 lbs0 lbs20,571 lbs
5Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0906 lbs0 lbs11,416 lbs
6Xylene (mixed isomers)1330-20-710,496 lbs0 lbs10,496 lbs
7Nitric acid7697-37-2750 lbs0 lbs9,441 lbs
8Lead And Lead CompoundsN420161 lbs0 lbs2,050 lbs
9Lead7439-92-120 lbs22 lbs87 lbs

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