Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 15630 Donnet Ln, Houston, TX 77032

HCAD #1148290060017
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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 AE
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
15630 Donnet Ln, Houston, TX 77032
Building Size
1,870sqft
Total structure area from HCAD building records.
Elevation
73.88 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
Overall Risk
Moderate
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
Moderate
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
58.9 acres
20.0% 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
Special Flood Hazard Area (SFHA): Flood insurance required for federally backed mortgages
#2
Obtain an Elevation Certificate to determine accurate flood insurance premiums
#3
Property elevation currently above simulated flood level
#4
Maintain flood insurance coverage as required in Special Flood Hazard Areas
#5
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#6
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
18.0th percentile
Property Pollution Ranking
High
Higher pollution than 82% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
1.31 millionlbs
Extremely High
200.9x more than typical Houston property
≈ 66 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
1.31 millionlbs
Extremely High
271.7x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
365lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
20
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)1,310,743 lbs1,310,378 lbs365 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)96,826 lbs96,818 lbs9 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 82% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 10-19th percentile.
📋
Top chemicals released near this property (past 10 years):
Styrene, Xylene (mixed isomers), Methyl methacrylate, Certain glycol ethers, Toluene
View the full list of 21 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(21 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Styrene100-42-51,174,327 lbs0 lbs1,174,327 lbs
2Xylene (mixed isomers)1330-20-794,552 lbs20 lbs94,572 lbs
3Methyl methacrylate80-62-610,630 lbs0 lbs10,630 lbs
4Certain glycol ethersN2308,766 lbs0 lbs8,766 lbs
5Toluene108-88-35,281 lbs28 lbs5,309 lbs
6Nickel7440-02-02,960 lbs12 lbs3,002 lbs
7n-Hexane110-54-32,967 lbs8 lbs2,975 lbs
8Ethylene glycol107-21-11,609 lbs250 lbs1,859 lbs
9Phenol108-95-21,654 lbs0 lbs1,654 lbs
10Chromium7440-47-31,517 lbs10 lbs1,563 lbs
11Ethylbenzene100-41-41,470 lbs5 lbs1,475 lbs
12Benzene71-43-21,010 lbs1 lbs1,011 lbs
131,2,4-Trimethylbenzene95-63-61,002 lbs7 lbs1,009 lbs
14Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N090964 lbs0 lbs964 lbs
15Dichloromethane75-09-2743 lbs0 lbs743 lbs
16Chromium compounds (except for chromite ore mined in the Transvaal Region)N090398 lbs0 lbs398 lbs
17Manganese7439-96-5365 lbs0 lbs395 lbs
18Naphthalene91-20-3107 lbs0 lbs107 lbs
19Copper7440-50-854 lbs0 lbs60 lbs
20Lead compoundsN4200 lbs25 lbs25 lbs
21Lead7439-92-12 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
Styrene, Methyl methacrylate, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Ethylene glycol, Nickel
View the full list of 8 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(8 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Styrene100-42-594,902 lbs0 lbs94,902 lbs
2Methyl methacrylate80-62-61,631 lbs0 lbs1,631 lbs
3Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N090168 lbs0 lbs168 lbs
4Ethylene glycol107-21-159 lbs0 lbs59 lbs
5Nickel7440-02-020 lbs6 lbs26 lbs
6Chromium7440-47-322 lbs3 lbs25 lbs
7Manganese7439-96-513 lbs0 lbs13 lbs
8Copper7440-50-82 lbs0 lbs2 lbs
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