Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 7734 Thurow St, Houston, TX 77087

HCAD #0720320140020
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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
7734 Thurow St, Houston, TX 77087
Building Size
1,752sqft
Total structure area from HCAD building records.
Elevation
30.07 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)
39.91 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
50.5 acres
17.1% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$75,622
Based on HCAD building value of $116,342.
Depth-Damage (Neighborhood)
$78,839
Based on neighborhood replacement cost.
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
17.6th 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)
1.44 millionlbs
Extremely High
220.2x more than typical Houston property
≈ 72 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
1.39 millionlbs
Extremely High
289.0x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
43 thousandlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
4
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)1,436,683 lbs1,393,539 lbs43,143 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)116,486 lbs101,940 lbs14,546 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):
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ammonia, Methyl tert-butyl ether, 1,3-Butadiene, Methanol
View the full list of 47 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(47 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9376,938 lbs0 lbs376,938 lbs
2Ammonia7664-41-7331,114 lbs3,674 lbs334,788 lbs
3Methyl tert-butyl ether1634-04-4267,534 lbs0 lbs267,534 lbs
41,3-Butadiene106-99-0255,579 lbs0 lbs255,579 lbs
5Methanol67-56-156,340 lbs39,325 lbs95,666 lbs
6N-Methyl-2-pyrrolidone872-50-437,616 lbs0 lbs37,616 lbs
7N,N-Dimethylformamide68-12-222,161 lbs88 lbs22,249 lbs
8tert-Butyl alcohol75-65-015,278 lbs0 lbs15,278 lbs
9Propylene115-07-114,432 lbs0 lbs14,432 lbs
10Hydrogen sulfide7783-06-46,306 lbs0 lbs6,306 lbs
11Ethylene74-85-12,621 lbs0 lbs2,621 lbs
12Certain glycol ethersN2301,884 lbs0 lbs1,884 lbs
13Vinyl acetate108-05-41,608 lbs0 lbs1,608 lbs
14Acetaldehyde75-07-01,011 lbs0 lbs1,011 lbs
15Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0999 lbs0 lbs999 lbs
16Lead7439-92-1397 lbs44 lbs442 lbs
171,1,1,2-Tetrachloroethane630-20-6434 lbs0 lbs434 lbs
18Carbon disulfide75-15-0351 lbs0 lbs351 lbs
19Chromium compounds (except for chromite ore mined in the Transvaal Region)N090323 lbs0 lbs323 lbs
20Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N090165 lbs0 lbs165 lbs
21Dimethylamine124-40-390 lbs0 lbs90 lbs
22Lead And Lead CompoundsN42063 lbs10 lbs73 lbs
23Vanadium compoundsN77065 lbs0 lbs65 lbs
24Zinc compoundsN98238 lbs0 lbs38 lbs
25Boron trifluoride7637-07-236 lbs0 lbs36 lbs
26Allyl alcohol107-18-634 lbs0 lbs34 lbs
27Nitric acid7697-37-224 lbs0 lbs24 lbs
28Methoxone sodium salt3653-48-320 lbs0 lbs20 lbs
29Triethylamine121-44-817 lbs0 lbs17 lbs
30Acrolein107-02-813 lbs0 lbs13 lbs
31Hydroquinone123-31-99 lbs0 lbs9 lbs
32Nickel compoundsN4958 lbs0 lbs8 lbs
33Diaminotoluene (mixed isomers)25376-45-84 lbs0 lbs4 lbs
34Cyanide compoundsN1064 lbs0 lbs4 lbs
35Mercury compoundsN4583 lbs1 lbs4 lbs
36Pyridine110-86-13 lbs0 lbs3 lbs
37Benzene71-43-23 lbs0 lbs3 lbs
38Nickel And Nickel CompoundsN4952 lbs0 lbs2 lbs
39Copper compoundsN1002 lbs0 lbs2 lbs
40Chloroethane75-00-32 lbs0 lbs2 lbs
41p-Cresol106-44-52 lbs0 lbs2 lbs
42Ethylene glycol107-21-11 lbs0 lbs1 lbs
43Trichloroethylene79-01-61 lbs0 lbs1 lbs
442,4-Diaminotoluene95-80-71 lbs0 lbs1 lbs
45Manganese And Manganese CompoundsN4501 lbs0 lbs1 lbs
46Ethylbenzene100-41-41 lbs0 lbs1 lbs
47Cyclohexane110-82-71 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Methanol, Methyl tert-butyl ether, 1,3-Butadiene, N-Methyl-2-pyrrolidone
View the full list of 24 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(24 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-950,698 lbs0 lbs50,698 lbs
2Methanol67-56-17,001 lbs14,541 lbs21,542 lbs
3Methyl tert-butyl ether1634-04-418,336 lbs0 lbs18,336 lbs
41,3-Butadiene106-99-018,236 lbs0 lbs18,236 lbs
5N-Methyl-2-pyrrolidone872-50-42,081 lbs0 lbs2,081 lbs
6N,N-Dimethylformamide68-12-21,641 lbs0 lbs1,641 lbs
7Propylene115-07-11,091 lbs0 lbs1,091 lbs
8tert-Butyl alcohol75-65-01,021 lbs0 lbs1,021 lbs
9Hydrogen sulfide7783-06-4592 lbs0 lbs592 lbs
10Ethylene74-85-1364 lbs0 lbs364 lbs
11Carbon disulfide75-15-0241 lbs0 lbs241 lbs
12Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0221 lbs0 lbs221 lbs
131,1,1,2-Tetrachloroethane630-20-6212 lbs0 lbs212 lbs
14Ammonia7664-41-7107 lbs0 lbs107 lbs
15Lead And Lead CompoundsN42031 lbs5 lbs36 lbs
16Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09027 lbs0 lbs27 lbs
17Dimethylamine124-40-323 lbs0 lbs23 lbs
18Vinyl acetate108-05-45 lbs0 lbs5 lbs
19Zinc compoundsN9823 lbs0 lbs3 lbs
20Nitric acid7697-37-23 lbs0 lbs3 lbs
21Boron trifluoride7637-07-21 lbs0 lbs1 lbs
22Acetaldehyde75-07-01 lbs0 lbs1 lbs
23Cyanide compoundsN1061 lbs0 lbs1 lbs
24Nickel compoundsN4951 lbs0 lbs1 lbs
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