Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 6118 Alstead Dr, Houston, TX 77041

HCAD #1147380080031
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🌍Environmental Assessment

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.

🌊Flood Risk Analysis
FEMA Zone X
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
6118 Alstead Dr, Houston, TX 77041
Building Size
1,760sqft
Total structure area from HCAD building records.
Elevation
109.01 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
14.2 acres
4.8% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$0
Property not flooded. No damage to calculate.
Depth-Damage (Neighborhood)
$0
Property not flooded. No damage to calculate.
Analysis Method
COG Combined 5000 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: 0 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.

#1
Minimal flood hazard area - property outside mapped high-risk zones
#2
Flood insurance available at preferred rates - over 25% of claims occur in low-risk areas
#3
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#4
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
29.4th percentile
Property Pollution Ranking
Moderate
Higher pollution than 71% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
233 thousandlbs
High
35.7x more than typical Houston property
≈ 12 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
226 thousandlbs
High
47.0x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
7 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
12
Industrial facilities within 2 miles
💡
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)233,110 lbs226,456 lbs6,654 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)5,868 lbs5,398 lbs470 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 71% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 30-39th percentile.
📋
Top chemicals released near this property (past 10 years):
Toluene, Styrene, 1-Bromopropane, Zinc compounds, Ammonia
View the full list of 20 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(20 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Toluene108-88-374,770 lbs0 lbs74,770 lbs
2Styrene100-42-553,277 lbs0 lbs54,435 lbs
31-Bromopropane106-94-550,819 lbs0 lbs50,819 lbs
4Zinc compoundsN98212,655 lbs3,517 lbs16,172 lbs
5Ammonia7664-41-715,812 lbs0 lbs15,812 lbs
6Nickel7440-02-04,887 lbs73 lbs4,961 lbs
7Manganese7439-96-52,937 lbs1,687 lbs4,624 lbs
8Copper7440-50-82,850 lbs1,264 lbs4,114 lbs
9Chromium7440-47-33,468 lbs103 lbs3,572 lbs
10Nitric acid7697-37-22,688 lbs0 lbs2,688 lbs
11Hydrogen fluoride7664-39-31,458 lbs0 lbs1,458 lbs
12DiisocyanatesN120688 lbs0 lbs688 lbs
13Ethylene glycol107-21-1102 lbs0 lbs102 lbs
14Lead compoundsN42017 lbs9 lbs26 lbs
15Zinc (fume or dust)7440-66-613 lbs0 lbs13 lbs
16Cobalt7440-48-48 lbs0 lbs8 lbs
17Lead7439-92-13 lbs0 lbs3 lbs
18Selenium7782-49-22 lbs0 lbs2 lbs
19Lead And Lead CompoundsN4201 lbs0 lbs1 lbs
20Aluminum (fume or dust)7429-90-51 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
1-Bromopropane, Zinc compounds, Nickel, Hydrogen fluoride, Chromium
View the full list of 10 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(10 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
11-Bromopropane106-94-53,844 lbs0 lbs3,844 lbs
2Zinc compoundsN982187 lbs470 lbs657 lbs
3Nickel7440-02-0421 lbs0 lbs421 lbs
4Hydrogen fluoride7664-39-3265 lbs0 lbs265 lbs
5Chromium7440-47-3249 lbs0 lbs249 lbs
6Copper7440-50-8182 lbs0 lbs182 lbs
7Manganese7439-96-5162 lbs0 lbs162 lbs
8Nitric acid7697-37-281 lbs0 lbs81 lbs
9DiisocyanatesN1207 lbs0 lbs7 lbs
10Aluminum (fume or dust)7429-90-51 lbs0 lbs1 lbs
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