📊 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
2902 SEA CHANNEL DR SEABROOK 77586
Building Size
3,732 sqft
Total structure area from HCAD building records.
Elevation
9.71 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 0.3ft 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
0.29 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 $384,623 (3,732 sqft). Using U.S. Army Corps of Engineers depth-damage curves.
Depth-Damage Estimate (Neighborhood Comparison)
$0
No neighborhood valuation estimate available. Building exists (3,732 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: 0.29 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 85% 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)
2.51 million lbs
Extremely High
385.4x more than typical Houston property
126 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)
2.51 million lbs
Extremely High
521.4x 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)
310 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)2,514,784 lbs2,514,474 lbs310 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)1,089,466 lbs225,815 lbs76 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 85% 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):

tert-Butyl alcohol, Propylene, Acrylic acid, Propylene oxide, Methanol

View the full list of 51 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (51 chemicals)

#ChemicalCAS#Air (lbs, 10yr)Water (lbs, 10yr)Total (lbs, 10yr)
1tert-Butyl alcohol75-65-0747,259 lbs0 lbs747,259 lbs
2Propylene115-07-1566,101 lbs0 lbs566,101 lbs
3Acrylic acid79-10-7248,318 lbs0 lbs248,318 lbs
4Propylene oxide75-56-9214,725 lbs0 lbs214,725 lbs
5Methanol67-56-1183,513 lbs0 lbs183,513 lbs
6Ethylene74-85-1178,679 lbs0 lbs178,679 lbs
7Benzene71-43-2129,270 lbs0 lbs129,270 lbs
8Ethylbenzene100-41-466,024 lbs0 lbs66,024 lbs
9Styrene100-42-547,507 lbs0 lbs47,507 lbs
10Molybdenum trioxide1313-27-526,754 lbs0 lbs26,754 lbs
11Toluene108-88-320,552 lbs0 lbs20,552 lbs
12Dicyclopentadiene77-73-619,800 lbs0 lbs19,800 lbs
13Ammonia7664-41-717,698 lbs0 lbs17,698 lbs
141,3-Butadiene106-99-015,407 lbs0 lbs15,407 lbs
15Trade SecretTRD SECRT5,905 lbs88 lbs5,993 lbs
16Formic acid64-18-64,751 lbs0 lbs4,751 lbs
17Naphthalene91-20-34,536 lbs0 lbs4,536 lbs
18Acetonitrile75-05-82,727 lbs0 lbs2,727 lbs
19Formaldehyde50-00-02,450 lbs0 lbs2,450 lbs
20Acrylonitrile107-13-12,062 lbs0 lbs2,062 lbs
21Butyl acrylate141-32-21,939 lbs0 lbs1,939 lbs
22Ethylene glycol107-21-11,385 lbs0 lbs1,385 lbs
23Ethylene oxide75-21-81,298 lbs0 lbs1,298 lbs
24n-Butyl alcohol71-36-31,230 lbs0 lbs1,230 lbs
25o-Xylene95-47-6815 lbs0 lbs815 lbs
26Chlorobenzene108-90-7583 lbs0 lbs583 lbs
27Maleic anhydride108-31-6534 lbs0 lbs534 lbs
28Acetaldehyde75-07-0504 lbs0 lbs504 lbs
29Acrolein107-02-8402 lbs0 lbs402 lbs
30Cumene98-82-8369 lbs0 lbs369 lbs
31Hydroquinone123-31-9355 lbs0 lbs355 lbs
32Diethanolamine111-42-2308 lbs0 lbs308 lbs
33Butyraldehyde123-72-8186 lbs0 lbs186 lbs
34Zinc compoundsN98255 lbs113 lbs168 lbs
35Antimony And Antimony CompoundsN01085 lbs77 lbs161 lbs
364,4'-Isopropylidenediphenol80-05-7141 lbs0 lbs141 lbs
37Antimony compoundsN01044 lbs25 lbs69 lbs
38Xylene (mixed isomers)1330-20-765 lbs0 lbs65 lbs
39Lead And Lead CompoundsN42032 lbs3 lbs36 lbs
40Zinc (fume or dust)7440-66-626 lbs0 lbs26 lbs
411,2,4-Trimethylbenzene95-63-618 lbs0 lbs18 lbs
42Lead compoundsN42015 lbs1 lbs16 lbs
43Cadmium compoundsN07811 lbs0 lbs11 lbs
44Pyridine110-86-110 lbs0 lbs10 lbs
45Allyl alcohol107-18-610 lbs0 lbs10 lbs
46Chromium7440-47-37 lbs2 lbs9 lbs
47Methyl acrylate96-33-36 lbs0 lbs6 lbs
48Lead7439-92-12 lbs0 lbs2 lbs
49Biphenyl92-52-42 lbs0 lbs2 lbs
50Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0901 lbs0 lbs2 lbs
51Chromium compounds (except for chromite ore mined in the Transvaal Region)N0901 lbs0 lbs1 lbs

Top chemicals released near this property (2024 only):

tert-Butyl alcohol, Methanol, Acrylic acid, Ethylene glycol, Propylene

View the full list of 32 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (32 chemicals)

#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1tert-Butyl alcohol75-65-0100,711 lbs0 lbs615,843 lbs
2Methanol67-56-15,954 lbs0 lbs156,625 lbs
3Acrylic acid79-10-720,902 lbs0 lbs124,130 lbs
4Ethylene glycol107-21-110 lbs0 lbs58,156 lbs
5Propylene115-07-139,502 lbs0 lbs39,878 lbs
6Propylene oxide75-56-915,147 lbs0 lbs33,169 lbs
7Ethylene74-85-116,290 lbs0 lbs16,290 lbs
8Dicyclopentadiene77-73-62,368 lbs0 lbs14,368 lbs
9Benzene71-43-29,442 lbs0 lbs9,998 lbs
10Ethylbenzene100-41-43,948 lbs0 lbs5,723 lbs
11Styrene100-42-53,330 lbs0 lbs3,992 lbs
12Molybdenum trioxide1313-27-53,114 lbs0 lbs3,114 lbs
13Toluene108-88-31,552 lbs0 lbs1,983 lbs
14Formic acid64-18-6175 lbs0 lbs1,197 lbs
15Acrylonitrile107-13-1883 lbs0 lbs1,033 lbs
16Butyl acrylate141-32-2848 lbs0 lbs848 lbs
171,3-Butadiene106-99-0808 lbs0 lbs808 lbs
18Formaldehyde50-00-0151 lbs0 lbs672 lbs
19Trade SecretTRD SECRT0 lbs46 lbs581 lbs
20Naphthalene91-20-3303 lbs0 lbs303 lbs
21Hydroquinone123-31-923 lbs0 lbs185 lbs
22Ethylene oxide75-21-8145 lbs0 lbs146 lbs
234,4'-Isopropylidenediphenol80-05-71 lbs0 lbs146 lbs
24Chlorobenzene108-90-7100 lbs0 lbs100 lbs
25Antimony And Antimony CompoundsN01026 lbs19 lbs62 lbs
26Acrolein107-02-828 lbs0 lbs38 lbs
27Zinc compoundsN98213 lbs10 lbs33 lbs
28Maleic anhydride108-31-626 lbs0 lbs26 lbs
29Zinc (fume or dust)7440-66-69 lbs0 lbs9 lbs
30Chromium7440-47-34 lbs1 lbs5 lbs
31Lead And Lead CompoundsN4202 lbs1 lbs3 lbs
32Methyl acrylate96-33-32 lbs0 lbs2 lbs

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