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
806 HACKBERRY ST LA PORTE 77571
Building Size
3,053 sqft
Total structure area from HCAD building records.
Elevation
8.72 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
Overall Risk
High
Property flooded at 1.3ft depth. Risk based on flood depth at structure.

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
High
Flood Depth
1.28 ft ±0.5 ft
Depth of water above ground 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
Based on HCAD building value of $179,581 (3,053 sqft). Using U.S. Army Corps of Engineers depth-damage curves.
Depth-Damage Estimate (Neighborhood Comparison)
$0
No neighborhood valuation estimate available. Building exists (3,053 sqft) but no comparable neighborhood data found.
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 Flooded
Flood Depth: 1.28 feet
Severity: Minor

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.

  • This property is in a high-risk flood zone. Flood insurance is required for mortgages.
  • Consider flood mitigation measures like elevated utilities and flood vents.
  • 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.
  • Simulation shows flooding at current water level - review property drainage and consider mitigation.

🏭 Part 2: Industrial Pollution Exposure

Property Pollution Ranking
High
Higher pollution than 84% 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)
1.9 million lbs
Extremely High
291.1x more than typical Houston property
≈ 95 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)
1.9 million lbs
Extremely High
393.7x 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)
567 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)1,899,107 lbs1,898,541 lbs567 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)1,764,244 lbs143,543 lbs51 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 84% 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 15% most polluted).

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

Methanol, Ethylene, Ammonia, Acrylic acid, Vinyl acetate

View the full list of 56 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (56 chemicals)

#ChemicalCAS#Air (lbs, 10yr)Water (lbs, 10yr)Total (lbs, 10yr)
1Methanol67-56-1451,233 lbs55 lbs451,288 lbs
2Ethylene74-85-1346,604 lbs0 lbs346,604 lbs
3Ammonia7664-41-7335,424 lbs0 lbs335,424 lbs
4Acrylic acid79-10-7251,302 lbs0 lbs251,302 lbs
5Vinyl acetate108-05-4142,721 lbs0 lbs142,721 lbs
6Cyclohexane110-82-7102,641 lbs0 lbs102,641 lbs
7Propylene oxide75-56-995,696 lbs0 lbs95,696 lbs
8Certain glycol ethersN23034,372 lbs0 lbs34,372 lbs
9n-Hexane110-54-317,593 lbs0 lbs17,593 lbs
10Isoprene78-79-515,828 lbs0 lbs15,828 lbs
11Acetaldehyde75-07-014,843 lbs0 lbs14,843 lbs
121,3-Butadiene106-99-012,674 lbs0 lbs12,674 lbs
13Propylene115-07-19,096 lbs0 lbs9,096 lbs
14Xylene (mixed isomers)1330-20-78,223 lbs0 lbs8,223 lbs
15Formaldehyde50-00-07,593 lbs0 lbs7,593 lbs
16Trade SecretTRD SECRT5,905 lbs88 lbs5,993 lbs
17Styrene100-42-55,569 lbs0 lbs5,569 lbs
181,2,4-Trimethylbenzene95-63-64,474 lbs0 lbs4,474 lbs
19Toluene108-88-33,240 lbs0 lbs3,240 lbs
20Methyl methacrylate80-62-63,050 lbs0 lbs3,050 lbs
211,4-Dioxane123-91-12,644 lbs0 lbs2,644 lbs
22Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-02,610 lbs0 lbs2,610 lbs
23Butyl acrylate141-32-22,517 lbs0 lbs2,517 lbs
241,2-Butylene oxide106-88-72,348 lbs0 lbs2,348 lbs
25Chlorine7782-50-52,246 lbs0 lbs2,246 lbs
26Formic acid64-18-62,017 lbs0 lbs2,017 lbs
27NonylphenolN5301,974 lbs0 lbs1,974 lbs
28Allyl alcohol107-18-61,820 lbs0 lbs1,820 lbs
29Ethylene oxide75-21-81,600 lbs0 lbs1,600 lbs
30Naphthalene91-20-31,572 lbs0 lbs1,572 lbs
31Nitric acid7697-37-21,405 lbs0 lbs1,405 lbs
32tert-Butyl alcohol75-65-01,254 lbs0 lbs1,254 lbs
33Dicyclopentadiene77-73-61,178 lbs0 lbs1,178 lbs
34Ethylene glycol107-21-11,132 lbs0 lbs1,132 lbs
35Nonylphenol EthoxylatesN535773 lbs0 lbs773 lbs
36Ethylbenzene100-41-4728 lbs0 lbs728 lbs
37Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9597 lbs0 lbs597 lbs
38Maleic anhydride108-31-6534 lbs0 lbs534 lbs
39Acrolein107-02-8402 lbs0 lbs402 lbs
40Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs370 lbs370 lbs
41Hydroquinone123-31-9355 lbs0 lbs355 lbs
42Benzyl chloride100-44-7228 lbs0 lbs228 lbs
43n-Butyl alcohol71-36-3114 lbs0 lbs114 lbs
44Diethanolamine111-42-2106 lbs0 lbs106 lbs
45Diethyl sulfate64-67-585 lbs0 lbs85 lbs
46Zinc compoundsN98248 lbs33 lbs81 lbs
47Epichlorohydrin106-89-842 lbs0 lbs42 lbs
48Antimony compoundsN01020 lbs15 lbs35 lbs
49Acetonitrile75-05-833 lbs0 lbs33 lbs
50Bis(2-chloroethyl) ether111-44-426 lbs0 lbs26 lbs
512,4-Dimethylphenol105-67-917 lbs0 lbs17 lbs
52Cumene98-82-815 lbs0 lbs15 lbs
53Phthalic anhydride85-44-913 lbs0 lbs13 lbs
54Antimony And Antimony CompoundsN0105 lbs5 lbs10 lbs
551,3-Phenylenediamine108-45-22 lbs0 lbs2 lbs
56Nickel compoundsN4950 lbs1 lbs1 lbs

Top chemicals released near this property (2024 only):

Methanol, Allyl alcohol, Vinyl acetate, Acrylic acid, Toluene

View the full list of 43 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (43 chemicals)

#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Methanol67-56-126,311 lbs5 lbs831,097 lbs
2Allyl alcohol107-18-696 lbs0 lbs233,588 lbs
3Vinyl acetate108-05-414,116 lbs0 lbs128,626 lbs
4Acrylic acid79-10-721,027 lbs0 lbs124,256 lbs
5Toluene108-88-3258 lbs0 lbs79,083 lbs
6Nickel compoundsN4950 lbs0 lbs74,741 lbs
7Xylene (mixed isomers)1330-20-7451 lbs0 lbs64,433 lbs
8Ammonia7664-41-730,863 lbs0 lbs31,185 lbs
9Cyclohexane110-82-78,101 lbs0 lbs29,411 lbs
10Styrene100-42-5424 lbs0 lbs29,331 lbs
11Ethylene74-85-124,713 lbs0 lbs24,713 lbs
12Acetaldehyde75-07-0496 lbs0 lbs23,127 lbs
13n-Hexane110-54-3521 lbs0 lbs17,769 lbs
14tert-Butyl alcohol75-65-026 lbs0 lbs15,456 lbs
15Ethylbenzene100-41-494 lbs0 lbs9,983 lbs
16Propylene oxide75-56-97,974 lbs0 lbs7,977 lbs
17Dicyclopentadiene77-73-697 lbs0 lbs7,551 lbs
18Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0900 lbs0 lbs5,055 lbs
19Acetonitrile75-05-824 lbs0 lbs4,091 lbs
20Naphthalene91-20-3223 lbs0 lbs3,764 lbs
21Ethylene glycol107-21-1106 lbs0 lbs2,856 lbs
22NonylphenolN530551 lbs0 lbs2,678 lbs
23Isoprene78-79-52,125 lbs0 lbs2,125 lbs
24Certain glycol ethersN230421 lbs0 lbs2,084 lbs
251,2,4-Trimethylbenzene95-63-6599 lbs0 lbs1,996 lbs
26Formic acid64-18-6175 lbs0 lbs1,197 lbs
271,3-Butadiene106-99-01,187 lbs0 lbs1,187 lbs
28Formaldehyde50-00-0296 lbs0 lbs936 lbs
29Propylene115-07-1700 lbs0 lbs700 lbs
30Trade SecretTRD SECRT0 lbs46 lbs581 lbs
31Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs0 lbs551 lbs
32Ethylene oxide75-21-8462 lbs0 lbs462 lbs
33Methyl methacrylate80-62-6387 lbs0 lbs387 lbs
34Benzyl chloride100-44-7119 lbs0 lbs379 lbs
35Nitric acid7697-37-2217 lbs0 lbs217 lbs
36Hydroquinone123-31-923 lbs0 lbs185 lbs
371,4-Dioxane123-91-1126 lbs0 lbs126 lbs
38Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0119 lbs0 lbs119 lbs
39n-Butyl alcohol71-36-310 lbs0 lbs95 lbs
401,2-Butylene oxide106-88-752 lbs0 lbs52 lbs
41Acrolein107-02-828 lbs0 lbs38 lbs
42Antimony And Antimony CompoundsN0100 lbs0 lbs33 lbs
43Maleic anhydride108-31-626 lbs0 lbs26 lbs

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