Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 507 S Shady Ln, La Porte, TX 77571

HCAD #0772750040015
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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
507 S Shady Ln, La Porte, TX 77571
Building Size
1,537sqft
Total structure area from HCAD building records.
Elevation
8.05 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)
17.89 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)
$63,278
Based on HCAD building value of $97,352.
Depth-Damage (Neighborhood)
$65,307
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
Simulation shows 1.8ft 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
18.6th percentile
Property Pollution Ranking
High
Higher pollution than 81% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
1.19 millionlbs
Extremely High
181.8x more than typical Houston property
≈ 59 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
1.19 millionlbs
Extremely High
246.0x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
141lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
10
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)1,186,408 lbs1,186,267 lbs141 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)88,453 lbs88,407 lbs46 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 81% 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):
Ammonia, Acrylic acid, Benzene, Methanol, Cyclohexane
View the full list of 45 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(45 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ammonia7664-41-7265,454 lbs0 lbs265,454 lbs
2Acrylic acid79-10-7247,770 lbs0 lbs247,770 lbs
3Benzene71-43-2115,467 lbs0 lbs115,467 lbs
4Methanol67-56-1109,770 lbs0 lbs109,770 lbs
5Cyclohexane110-82-7102,600 lbs0 lbs102,600 lbs
6Propylene oxide75-56-978,945 lbs0 lbs78,945 lbs
7Ethylbenzene100-41-466,674 lbs0 lbs66,674 lbs
8Styrene100-42-551,437 lbs0 lbs51,437 lbs
9Certain glycol ethersN23034,372 lbs0 lbs34,372 lbs
10Isoprene78-79-515,828 lbs0 lbs15,828 lbs
11Propylene115-07-115,687 lbs0 lbs15,687 lbs
12Ethylene74-85-115,437 lbs0 lbs15,437 lbs
131,3-Butadiene106-99-014,544 lbs0 lbs14,544 lbs
14Toluene108-88-38,514 lbs0 lbs8,514 lbs
15Formaldehyde50-00-07,593 lbs0 lbs7,593 lbs
16Trade SecretTRD SECRT5,905 lbs88 lbs5,993 lbs
171,2,4-Trimethylbenzene95-63-64,474 lbs0 lbs4,474 lbs
18Butyl acrylate141-32-24,451 lbs0 lbs4,451 lbs
19Vinyl acetate108-05-43,230 lbs0 lbs3,230 lbs
20Xylene (mixed isomers)1330-20-72,663 lbs0 lbs2,663 lbs
211,4-Dioxane123-91-12,644 lbs0 lbs2,644 lbs
22Formic acid64-18-62,017 lbs0 lbs2,017 lbs
23Acrylonitrile107-13-11,977 lbs0 lbs1,977 lbs
24NonylphenolN5301,974 lbs0 lbs1,974 lbs
25n-Hexane110-54-31,735 lbs0 lbs1,735 lbs
26Naphthalene91-20-31,572 lbs0 lbs1,572 lbs
27Nonylphenol EthoxylatesN535773 lbs0 lbs773 lbs
28Ethylene glycol107-21-1605 lbs0 lbs605 lbs
29Maleic anhydride108-31-6534 lbs0 lbs534 lbs
30Acrolein107-02-8402 lbs0 lbs402 lbs
31Hydroquinone123-31-9355 lbs0 lbs355 lbs
32Benzyl chloride100-44-7228 lbs0 lbs228 lbs
33Ethylene oxide75-21-8169 lbs0 lbs169 lbs
34Diethanolamine111-42-2106 lbs0 lbs106 lbs
35Diethyl sulfate64-67-585 lbs0 lbs85 lbs
36Zinc compoundsN98248 lbs33 lbs81 lbs
37n-Butyl alcohol71-36-368 lbs0 lbs68 lbs
38Epichlorohydrin106-89-842 lbs0 lbs42 lbs
39Antimony compoundsN01020 lbs15 lbs35 lbs
40Acetonitrile75-05-833 lbs0 lbs33 lbs
41Bis(2-chloroethyl) ether111-44-426 lbs0 lbs26 lbs
422,4-Dimethylphenol105-67-917 lbs0 lbs17 lbs
43Cumene98-82-815 lbs0 lbs15 lbs
44Antimony And Antimony CompoundsN0105 lbs5 lbs10 lbs
451,3-Phenylenediamine108-45-22 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
Ammonia, Acrylic acid, Benzene, Cyclohexane, Propylene oxide
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)
1Ammonia7664-41-723,068 lbs0 lbs23,068 lbs
2Acrylic acid79-10-720,841 lbs0 lbs20,841 lbs
3Benzene71-43-28,393 lbs0 lbs8,393 lbs
4Cyclohexane110-82-78,060 lbs0 lbs8,060 lbs
5Propylene oxide75-56-97,544 lbs0 lbs7,544 lbs
6Ethylbenzene100-41-44,042 lbs0 lbs4,042 lbs
7Styrene100-42-53,598 lbs0 lbs3,598 lbs
8Isoprene78-79-52,125 lbs0 lbs2,125 lbs
9Propylene115-07-12,003 lbs0 lbs2,003 lbs
10Methanol67-56-11,225 lbs0 lbs1,225 lbs
111,3-Butadiene106-99-01,187 lbs0 lbs1,187 lbs
12Acrylonitrile107-13-1879 lbs0 lbs879 lbs
13Butyl acrylate141-32-2848 lbs0 lbs848 lbs
14Ethylene74-85-1741 lbs0 lbs741 lbs
151,2,4-Trimethylbenzene95-63-6599 lbs0 lbs599 lbs
16Toluene108-88-3587 lbs0 lbs587 lbs
17NonylphenolN530551 lbs0 lbs551 lbs
18Certain glycol ethersN230421 lbs0 lbs421 lbs
19Xylene (mixed isomers)1330-20-7363 lbs0 lbs363 lbs
20Formaldehyde50-00-0296 lbs0 lbs296 lbs
21Naphthalene91-20-3223 lbs0 lbs223 lbs
22Formic acid64-18-6175 lbs0 lbs175 lbs
23n-Hexane110-54-3160 lbs0 lbs160 lbs
241,4-Dioxane123-91-1126 lbs0 lbs126 lbs
25Benzyl chloride100-44-7119 lbs0 lbs119 lbs
26Ethylene glycol107-21-191 lbs0 lbs91 lbs
27Trade SecretTRD SECRT0 lbs46 lbs46 lbs
28Ethylene oxide75-21-842 lbs0 lbs42 lbs
29Acrolein107-02-828 lbs0 lbs28 lbs
30Maleic anhydride108-31-626 lbs0 lbs26 lbs
31Acetonitrile75-05-824 lbs0 lbs24 lbs
32Hydroquinone123-31-923 lbs0 lbs23 lbs
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