Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 11806 Port Rd, Seabrook, TX 77586

HCAD #1005150000371
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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
11806 Port Rd, Seabrook, TX 77586
Elevation
8.22 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)
18.06 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
292.9 acres
99.3% 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
Simulation shows 1.6ft of flooding - mitigation measures recommended
#4
Consider elevating utilities, HVAC systems, and electrical panels above anticipated flood levels
#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
11.9th 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)
4.59 millionlbs
Extremely High
703.5x more than typical Houston property
≈ 229 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
4.59 millionlbs
Extremely High
951.6x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
788lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
21
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)4,589,878 lbs4,589,089 lbs788 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)402,105 lbs402,024 lbs81 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, Ethylene, Methanol, Toluene
View the full list of 76 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(76 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
3Ethylene74-85-1502,426 lbs0 lbs502,426 lbs
4Methanol67-56-1489,309 lbs55 lbs489,364 lbs
5Toluene108-88-3303,864 lbs0 lbs303,864 lbs
6Propylene oxide75-56-9293,670 lbs0 lbs293,670 lbs
7Ammonia7664-41-7265,454 lbs0 lbs265,454 lbs
8Acrylic acid79-10-7248,318 lbs0 lbs248,318 lbs
9n-Hexane110-54-3190,045 lbs0 lbs190,045 lbs
10Benzene71-43-2129,270 lbs0 lbs129,270 lbs
11Vinyl acetate108-05-4120,415 lbs0 lbs120,415 lbs
12Titanium tetrachloride7550-45-0108,195 lbs0 lbs108,195 lbs
131,3-Butadiene106-99-0105,073 lbs0 lbs105,073 lbs
14Cyclohexane110-82-7102,600 lbs0 lbs102,600 lbs
15Ethylbenzene100-41-466,752 lbs0 lbs66,752 lbs
16Styrene100-42-551,523 lbs0 lbs51,523 lbs
17Isoprene78-79-547,793 lbs0 lbs47,793 lbs
18Ethylene glycol107-21-138,362 lbs0 lbs38,362 lbs
19Certain glycol ethersN23034,372 lbs0 lbs34,372 lbs
20Molybdenum trioxide1313-27-526,754 lbs0 lbs26,754 lbs
21Dicyclopentadiene77-73-620,009 lbs0 lbs20,009 lbs
22Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-015,293 lbs0 lbs15,293 lbs
23Xylene (mixed isomers)1330-20-714,870 lbs0 lbs14,870 lbs
24Epichlorohydrin106-89-88,484 lbs0 lbs8,484 lbs
25Formaldehyde50-00-07,717 lbs0 lbs7,717 lbs
26Naphthalene91-20-36,108 lbs0 lbs6,108 lbs
27Trade SecretTRD SECRT5,905 lbs88 lbs5,993 lbs
28Dibutyl phthalate84-74-25,792 lbs0 lbs5,792 lbs
29Dimethylamine124-40-35,764 lbs0 lbs5,764 lbs
30Maleic anhydride108-31-65,267 lbs0 lbs5,267 lbs
31Formic acid64-18-64,772 lbs0 lbs4,772 lbs
321,2,4-Trimethylbenzene95-63-64,492 lbs0 lbs4,492 lbs
33Butyl acrylate141-32-24,451 lbs0 lbs4,451 lbs
34Propyleneimine75-55-83,701 lbs0 lbs3,701 lbs
35Acetaldehyde75-07-03,091 lbs0 lbs3,091 lbs
36Acetonitrile75-05-82,760 lbs0 lbs2,760 lbs
371,4-Dioxane123-91-12,644 lbs0 lbs2,644 lbs
38Chlorine7782-50-52,246 lbs0 lbs2,246 lbs
39Acrylonitrile107-13-12,062 lbs0 lbs2,062 lbs
40NonylphenolN5301,974 lbs0 lbs1,974 lbs
41Ethylene oxide75-21-81,467 lbs0 lbs1,467 lbs
42Nitric acid7697-37-21,405 lbs0 lbs1,405 lbs
43n-Butyl alcohol71-36-31,298 lbs0 lbs1,298 lbs
44o-Xylene95-47-6815 lbs0 lbs815 lbs
45Nonylphenol EthoxylatesN535773 lbs0 lbs773 lbs
46Chlorobenzene108-90-7583 lbs0 lbs583 lbs
47Diethanolamine111-42-2414 lbs0 lbs414 lbs
48Acrolein107-02-8402 lbs0 lbs402 lbs
49Cumene98-82-8384 lbs0 lbs384 lbs
50Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs370 lbs370 lbs
51Hydroquinone123-31-9355 lbs0 lbs355 lbs
52Zinc compoundsN982103 lbs146 lbs249 lbs
53Benzyl chloride100-44-7228 lbs0 lbs228 lbs
54Di(2-ethylhexyl) phthalate117-81-7222 lbs0 lbs222 lbs
55Butyraldehyde123-72-8186 lbs0 lbs186 lbs
56Antimony And Antimony CompoundsN01090 lbs82 lbs171 lbs
574,4'-Isopropylidenediphenol80-05-7141 lbs0 lbs141 lbs
58Antimony compoundsN01064 lbs40 lbs104 lbs
59Diethyl sulfate64-67-585 lbs0 lbs85 lbs
60Lead And Lead CompoundsN42032 lbs3 lbs36 lbs
61Phthalic anhydride85-44-927 lbs0 lbs27 lbs
62Bis(2-chloroethyl) ether111-44-426 lbs0 lbs26 lbs
63Zinc (fume or dust)7440-66-626 lbs0 lbs26 lbs
642,4-Dimethylphenol105-67-917 lbs0 lbs17 lbs
65Lead compoundsN42015 lbs1 lbs16 lbs
66Triethylamine121-44-810 lbs0 lbs15 lbs
67Cadmium compoundsN07811 lbs0 lbs11 lbs
68Allyl alcohol107-18-610 lbs0 lbs10 lbs
69Pyridine110-86-110 lbs0 lbs10 lbs
70Chromium7440-47-37 lbs2 lbs9 lbs
71Methyl acrylate96-33-36 lbs0 lbs6 lbs
721,3-Phenylenediamine108-45-22 lbs0 lbs2 lbs
73Lead7439-92-12 lbs0 lbs2 lbs
74Biphenyl92-52-42 lbs0 lbs2 lbs
75Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0901 lbs0 lbs2 lbs
76Chromium 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, Ethylene, Toluene, Methanol
View the full list of 53 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(53 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
3Ethylene74-85-140,324 lbs0 lbs40,324 lbs
4Toluene108-88-326,919 lbs0 lbs26,919 lbs
5Methanol67-56-123,639 lbs5 lbs23,644 lbs
6Ammonia7664-41-723,068 lbs0 lbs23,068 lbs
7Propylene oxide75-56-922,691 lbs0 lbs22,691 lbs
8Acrylic acid79-10-720,902 lbs0 lbs20,902 lbs
9n-Hexane110-54-319,086 lbs0 lbs19,086 lbs
10Isoprene78-79-512,309 lbs0 lbs12,309 lbs
11Vinyl acetate108-05-411,698 lbs0 lbs11,698 lbs
12Titanium tetrachloride7550-45-010,755 lbs0 lbs10,755 lbs
13Benzene71-43-29,442 lbs0 lbs9,442 lbs
14Cyclohexane110-82-78,060 lbs0 lbs8,060 lbs
151,3-Butadiene106-99-04,450 lbs0 lbs4,450 lbs
16Ethylbenzene100-41-44,042 lbs0 lbs4,042 lbs
17Styrene100-42-53,598 lbs0 lbs3,598 lbs
18Ethylene glycol107-21-13,253 lbs0 lbs3,253 lbs
19Molybdenum trioxide1313-27-53,114 lbs0 lbs3,114 lbs
20Dicyclopentadiene77-73-62,368 lbs0 lbs2,368 lbs
21Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-01,840 lbs0 lbs1,840 lbs
22Maleic anhydride108-31-61,173 lbs0 lbs1,173 lbs
23Acrylonitrile107-13-1883 lbs0 lbs883 lbs
24Butyl acrylate141-32-2848 lbs0 lbs848 lbs
25Epichlorohydrin106-89-8643 lbs0 lbs643 lbs
261,2,4-Trimethylbenzene95-63-6599 lbs0 lbs599 lbs
27Xylene (mixed isomers)1330-20-7586 lbs0 lbs586 lbs
28NonylphenolN530551 lbs0 lbs551 lbs
29Naphthalene91-20-3526 lbs0 lbs526 lbs
30Dibutyl phthalate84-74-2496 lbs0 lbs496 lbs
31Certain glycol ethersN230421 lbs0 lbs421 lbs
32Formaldehyde50-00-0296 lbs0 lbs296 lbs
33Di(2-ethylhexyl) phthalate117-81-7222 lbs0 lbs222 lbs
34Nitric acid7697-37-2217 lbs0 lbs217 lbs
35Ethylene oxide75-21-8187 lbs0 lbs187 lbs
36Formic acid64-18-6175 lbs0 lbs175 lbs
371,4-Dioxane123-91-1126 lbs0 lbs126 lbs
38Benzyl chloride100-44-7119 lbs0 lbs119 lbs
39Chlorobenzene108-90-7100 lbs0 lbs100 lbs
40Trade SecretTRD SECRT0 lbs46 lbs46 lbs
41Antimony And Antimony CompoundsN01026 lbs19 lbs45 lbs
42Propyleneimine75-55-832 lbs0 lbs32 lbs
43Acrolein107-02-828 lbs0 lbs28 lbs
44Acetonitrile75-05-824 lbs0 lbs24 lbs
45Hydroquinone123-31-923 lbs0 lbs23 lbs
46Zinc compoundsN98213 lbs10 lbs22 lbs
47Phthalic anhydride85-44-914 lbs0 lbs14 lbs
48Zinc (fume or dust)7440-66-69 lbs0 lbs9 lbs
49Chromium7440-47-34 lbs1 lbs4 lbs
50Lead And Lead CompoundsN4202 lbs1 lbs3 lbs
51Acetaldehyde75-07-02 lbs0 lbs2 lbs
52Methyl acrylate96-33-32 lbs0 lbs2 lbs
534,4'-Isopropylidenediphenol80-05-71 lbs0 lbs1 lbs
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