Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 801 Port Rd, Seabrook, TX 77586

HCAD #1005150000037
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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
801 Port Rd, Seabrook, TX 77586
Elevation
11.87 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
Overall Risk
Very High
Property flooded at 9.84ft depth.
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 High
Flood Depth
9.84 ft±0.5 ft
Depth of water above ground level.
Water Surface Elevation (WSE)
21.71 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.9 acres
100.0% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$0
Vacant lot (no building data).
Depth-Damage (Neighborhood)
$0
Vacant lot (no building data).
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 Flooded
Flood Depth: 9.84 feet
Severity
Severe
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
12.5th percentile
Property Pollution Ranking
High
Higher pollution than 88% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
3.97 millionlbs
Extremely High
608.6x more than typical Houston property
≈ 199 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
3.97 millionlbs
Extremely High
823.3x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
310lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
17
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)3,970,574 lbs3,970,263 lbs310 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)352,776 lbs352,700 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 88% 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):
tert-Butyl alcohol, Propylene, Methanol, Toluene, Propylene oxide
View the full list of 72 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(72 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1tert-Butyl alcohol75-65-0750,524 lbs0 lbs750,524 lbs
2Propylene115-07-1577,750 lbs0 lbs577,750 lbs
3Methanol67-56-1320,845 lbs0 lbs320,845 lbs
4Toluene108-88-3303,864 lbs0 lbs303,864 lbs
5Propylene oxide75-56-9293,670 lbs0 lbs293,670 lbs
6Ammonia7664-41-7265,454 lbs0 lbs265,454 lbs
7Acrylic acid79-10-7248,318 lbs0 lbs248,318 lbs
8n-Hexane110-54-3190,045 lbs0 lbs190,045 lbs
9Ethylene74-85-1178,679 lbs0 lbs178,679 lbs
10Benzene71-43-2129,270 lbs0 lbs129,270 lbs
11Titanium tetrachloride7550-45-0108,195 lbs0 lbs108,195 lbs
121,3-Butadiene106-99-0105,073 lbs0 lbs105,073 lbs
13Cyclohexane110-82-7102,600 lbs0 lbs102,600 lbs
14Ethylbenzene100-41-466,752 lbs0 lbs66,752 lbs
15Styrene100-42-551,523 lbs0 lbs51,523 lbs
16Isoprene78-79-547,793 lbs0 lbs47,793 lbs
17Ethylene glycol107-21-136,977 lbs0 lbs36,977 lbs
18Certain glycol ethersN23034,372 lbs0 lbs34,372 lbs
19Molybdenum trioxide1313-27-526,754 lbs0 lbs26,754 lbs
20Dicyclopentadiene77-73-620,009 lbs0 lbs20,009 lbs
21Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-015,293 lbs0 lbs15,293 lbs
22Xylene (mixed isomers)1330-20-714,870 lbs0 lbs14,870 lbs
23Epichlorohydrin106-89-88,484 lbs0 lbs8,484 lbs
24Formaldehyde50-00-07,717 lbs0 lbs7,717 lbs
25Naphthalene91-20-36,108 lbs0 lbs6,108 lbs
26Trade SecretTRD SECRT5,905 lbs88 lbs5,993 lbs
27Dibutyl phthalate84-74-25,792 lbs0 lbs5,792 lbs
28Dimethylamine124-40-35,764 lbs0 lbs5,764 lbs
29Maleic anhydride108-31-65,267 lbs0 lbs5,267 lbs
30Formic acid64-18-64,772 lbs0 lbs4,772 lbs
311,2,4-Trimethylbenzene95-63-64,492 lbs0 lbs4,492 lbs
32Butyl acrylate141-32-24,451 lbs0 lbs4,451 lbs
33Propyleneimine75-55-83,701 lbs0 lbs3,701 lbs
34Vinyl acetate108-05-43,230 lbs0 lbs3,230 lbs
35Acetonitrile75-05-82,760 lbs0 lbs2,760 lbs
361,4-Dioxane123-91-12,644 lbs0 lbs2,644 lbs
37Acrylonitrile107-13-12,062 lbs0 lbs2,062 lbs
38NonylphenolN5301,974 lbs0 lbs1,974 lbs
39n-Butyl alcohol71-36-31,298 lbs0 lbs1,298 lbs
40o-Xylene95-47-6815 lbs0 lbs815 lbs
41Nonylphenol EthoxylatesN535773 lbs0 lbs773 lbs
42Chlorobenzene108-90-7583 lbs0 lbs583 lbs
43Acetaldehyde75-07-0504 lbs0 lbs504 lbs
44Acrolein107-02-8402 lbs0 lbs402 lbs
45Cumene98-82-8384 lbs0 lbs384 lbs
46Hydroquinone123-31-9355 lbs0 lbs355 lbs
47Benzyl chloride100-44-7228 lbs0 lbs228 lbs
48Di(2-ethylhexyl) phthalate117-81-7222 lbs0 lbs222 lbs
49Butyraldehyde123-72-8186 lbs0 lbs186 lbs
50Zinc compoundsN98268 lbs113 lbs181 lbs
51Ethylene oxide75-21-8169 lbs0 lbs169 lbs
52Antimony And Antimony CompoundsN01085 lbs77 lbs161 lbs
53Diethanolamine111-42-2106 lbs0 lbs106 lbs
54Diethyl sulfate64-67-585 lbs0 lbs85 lbs
55Antimony compoundsN01044 lbs25 lbs69 lbs
56Lead And Lead CompoundsN42032 lbs3 lbs36 lbs
57Phthalic anhydride85-44-927 lbs0 lbs27 lbs
58Bis(2-chloroethyl) ether111-44-426 lbs0 lbs26 lbs
59Zinc (fume or dust)7440-66-626 lbs0 lbs26 lbs
602,4-Dimethylphenol105-67-917 lbs0 lbs17 lbs
61Lead compoundsN42015 lbs1 lbs16 lbs
62Triethylamine121-44-810 lbs0 lbs15 lbs
63Cadmium compoundsN07811 lbs0 lbs11 lbs
64Pyridine110-86-110 lbs0 lbs10 lbs
65Allyl alcohol107-18-610 lbs0 lbs10 lbs
66Chromium7440-47-37 lbs2 lbs9 lbs
67Methyl acrylate96-33-36 lbs0 lbs6 lbs
681,3-Phenylenediamine108-45-22 lbs0 lbs2 lbs
69Lead7439-92-12 lbs0 lbs2 lbs
70Biphenyl92-52-42 lbs0 lbs2 lbs
71Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0901 lbs0 lbs2 lbs
72Chromium 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, Propylene, Toluene, Ammonia, Propylene oxide
View the full list of 49 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(49 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1tert-Butyl alcohol75-65-0101,671 lbs0 lbs101,671 lbs
2Propylene115-07-140,450 lbs0 lbs40,450 lbs
3Toluene108-88-326,919 lbs0 lbs26,919 lbs
4Ammonia7664-41-723,068 lbs0 lbs23,068 lbs
5Propylene oxide75-56-922,691 lbs0 lbs22,691 lbs
6Acrylic acid79-10-720,902 lbs0 lbs20,902 lbs
7n-Hexane110-54-319,086 lbs0 lbs19,086 lbs
8Ethylene74-85-116,290 lbs0 lbs16,290 lbs
9Isoprene78-79-512,309 lbs0 lbs12,309 lbs
10Titanium tetrachloride7550-45-010,755 lbs0 lbs10,755 lbs
11Methanol67-56-110,422 lbs0 lbs10,422 lbs
12Benzene71-43-29,442 lbs0 lbs9,442 lbs
13Cyclohexane110-82-78,060 lbs0 lbs8,060 lbs
141,3-Butadiene106-99-04,450 lbs0 lbs4,450 lbs
15Ethylbenzene100-41-44,042 lbs0 lbs4,042 lbs
16Styrene100-42-53,598 lbs0 lbs3,598 lbs
17Ethylene glycol107-21-13,243 lbs0 lbs3,243 lbs
18Molybdenum trioxide1313-27-53,114 lbs0 lbs3,114 lbs
19Dicyclopentadiene77-73-62,368 lbs0 lbs2,368 lbs
20Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-01,840 lbs0 lbs1,840 lbs
21Maleic anhydride108-31-61,173 lbs0 lbs1,173 lbs
22Acrylonitrile107-13-1883 lbs0 lbs883 lbs
23Butyl acrylate141-32-2848 lbs0 lbs848 lbs
24Epichlorohydrin106-89-8643 lbs0 lbs643 lbs
251,2,4-Trimethylbenzene95-63-6599 lbs0 lbs599 lbs
26Xylene (mixed isomers)1330-20-7586 lbs0 lbs586 lbs
27NonylphenolN530551 lbs0 lbs551 lbs
28Naphthalene91-20-3526 lbs0 lbs526 lbs
29Dibutyl phthalate84-74-2496 lbs0 lbs496 lbs
30Certain glycol ethersN230421 lbs0 lbs421 lbs
31Formaldehyde50-00-0296 lbs0 lbs296 lbs
32Di(2-ethylhexyl) phthalate117-81-7222 lbs0 lbs222 lbs
33Formic acid64-18-6175 lbs0 lbs175 lbs
341,4-Dioxane123-91-1126 lbs0 lbs126 lbs
35Benzyl chloride100-44-7119 lbs0 lbs119 lbs
36Chlorobenzene108-90-7100 lbs0 lbs100 lbs
37Trade SecretTRD SECRT0 lbs46 lbs46 lbs
38Antimony And Antimony CompoundsN01026 lbs19 lbs45 lbs
39Ethylene oxide75-21-842 lbs0 lbs42 lbs
40Propyleneimine75-55-832 lbs0 lbs32 lbs
41Acrolein107-02-828 lbs0 lbs28 lbs
42Acetonitrile75-05-824 lbs0 lbs24 lbs
43Hydroquinone123-31-923 lbs0 lbs23 lbs
44Zinc compoundsN98213 lbs10 lbs22 lbs
45Phthalic anhydride85-44-914 lbs0 lbs14 lbs
46Zinc (fume or dust)7440-66-69 lbs0 lbs9 lbs
47Chromium7440-47-34 lbs1 lbs4 lbs
48Lead And Lead CompoundsN4202 lbs1 lbs3 lbs
49Methyl acrylate96-33-32 lbs0 lbs2 lbs
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