Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 619 S Shady Ln, La Porte, TX 77571

HCAD #0772750040003
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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
619 S Shady Ln, La Porte, TX 77571
Building Size
3,806sqft
Total structure area from HCAD building records.
Elevation
7.85 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)
17.69 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)
$106,535
Based on HCAD building value of $163,901.
Depth-Damage (Neighborhood)
$168,794
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 2.0ft 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
13.2th percentile
Property Pollution Ranking
High
Higher pollution than 87% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
3.59 millionlbs
Extremely High
550.2x more than typical Houston property
≈ 179 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
3.59 millionlbs
Extremely High
744.2x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
566lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
15
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)3,589,479 lbs3,588,913 lbs566 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)315,968 lbs315,917 lbs51 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 87% 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, Propylene oxide
View the full list of 53 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(53 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1tert-Butyl alcohol75-65-0747,259 lbs0 lbs747,259 lbs
2Propylene115-07-1560,029 lbs0 lbs560,029 lbs
3Ethylene74-85-1502,426 lbs0 lbs502,426 lbs
4Methanol67-56-1362,582 lbs55 lbs362,637 lbs
5Propylene oxide75-56-9293,670 lbs0 lbs293,670 lbs
6Ammonia7664-41-7265,454 lbs0 lbs265,454 lbs
7Acrylic acid79-10-7247,770 lbs0 lbs247,770 lbs
8Vinyl acetate108-05-4120,415 lbs0 lbs120,415 lbs
9Benzene71-43-2115,467 lbs0 lbs115,467 lbs
10Cyclohexane110-82-7102,600 lbs0 lbs102,600 lbs
11Ethylbenzene100-41-466,674 lbs0 lbs66,674 lbs
12Styrene100-42-551,437 lbs0 lbs51,437 lbs
13Certain glycol ethersN23034,372 lbs0 lbs34,372 lbs
14Molybdenum trioxide1313-27-526,754 lbs0 lbs26,754 lbs
15Isoprene78-79-515,828 lbs0 lbs15,828 lbs
161,3-Butadiene106-99-014,544 lbs0 lbs14,544 lbs
17Toluene108-88-38,514 lbs0 lbs8,514 lbs
18Formaldehyde50-00-07,593 lbs0 lbs7,593 lbs
19Trade SecretTRD SECRT5,905 lbs88 lbs5,993 lbs
20Formic acid64-18-64,772 lbs0 lbs4,772 lbs
211,2,4-Trimethylbenzene95-63-64,474 lbs0 lbs4,474 lbs
22Butyl acrylate141-32-24,451 lbs0 lbs4,451 lbs
23Acetaldehyde75-07-03,091 lbs0 lbs3,091 lbs
24Xylene (mixed isomers)1330-20-72,663 lbs0 lbs2,663 lbs
251,4-Dioxane123-91-12,644 lbs0 lbs2,644 lbs
26Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-02,610 lbs0 lbs2,610 lbs
27Chlorine7782-50-52,246 lbs0 lbs2,246 lbs
28Acrylonitrile107-13-11,977 lbs0 lbs1,977 lbs
29NonylphenolN5301,974 lbs0 lbs1,974 lbs
30n-Hexane110-54-31,735 lbs0 lbs1,735 lbs
31Naphthalene91-20-31,572 lbs0 lbs1,572 lbs
32Nitric acid7697-37-21,405 lbs0 lbs1,405 lbs
33Ethylene glycol107-21-11,078 lbs0 lbs1,078 lbs
34Nonylphenol EthoxylatesN535773 lbs0 lbs773 lbs
35Maleic anhydride108-31-6534 lbs0 lbs534 lbs
36Acrolein107-02-8402 lbs0 lbs402 lbs
37Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs370 lbs370 lbs
38Hydroquinone123-31-9355 lbs0 lbs355 lbs
39Benzyl chloride100-44-7228 lbs0 lbs228 lbs
40Ethylene oxide75-21-8169 lbs0 lbs169 lbs
41Diethanolamine111-42-2106 lbs0 lbs106 lbs
42Diethyl sulfate64-67-585 lbs0 lbs85 lbs
43Zinc compoundsN98248 lbs33 lbs81 lbs
44n-Butyl alcohol71-36-368 lbs0 lbs68 lbs
45Epichlorohydrin106-89-842 lbs0 lbs42 lbs
46Antimony compoundsN01020 lbs15 lbs35 lbs
47Acetonitrile75-05-833 lbs0 lbs33 lbs
48Bis(2-chloroethyl) ether111-44-426 lbs0 lbs26 lbs
492,4-Dimethylphenol105-67-917 lbs0 lbs17 lbs
50Cumene98-82-815 lbs0 lbs15 lbs
51Antimony And Antimony CompoundsN0105 lbs5 lbs10 lbs
521,3-Phenylenediamine108-45-22 lbs0 lbs2 lbs
53Lead7439-92-12 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
tert-Butyl alcohol, Ethylene, Propylene, Ammonia, Propylene oxide
View the full list of 38 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(38 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1tert-Butyl alcohol75-65-0100,711 lbs0 lbs100,711 lbs
2Ethylene74-85-140,324 lbs0 lbs40,324 lbs
3Propylene115-07-139,199 lbs0 lbs39,199 lbs
4Ammonia7664-41-723,068 lbs0 lbs23,068 lbs
5Propylene oxide75-56-922,691 lbs0 lbs22,691 lbs
6Methanol67-56-120,936 lbs5 lbs20,941 lbs
7Acrylic acid79-10-720,841 lbs0 lbs20,841 lbs
8Vinyl acetate108-05-411,698 lbs0 lbs11,698 lbs
9Benzene71-43-28,393 lbs0 lbs8,393 lbs
10Cyclohexane110-82-78,060 lbs0 lbs8,060 lbs
11Ethylbenzene100-41-44,042 lbs0 lbs4,042 lbs
12Styrene100-42-53,598 lbs0 lbs3,598 lbs
13Molybdenum trioxide1313-27-53,114 lbs0 lbs3,114 lbs
14Isoprene78-79-52,125 lbs0 lbs2,125 lbs
151,3-Butadiene106-99-01,187 lbs0 lbs1,187 lbs
16Acrylonitrile107-13-1879 lbs0 lbs879 lbs
17Butyl acrylate141-32-2848 lbs0 lbs848 lbs
181,2,4-Trimethylbenzene95-63-6599 lbs0 lbs599 lbs
19Toluene108-88-3587 lbs0 lbs587 lbs
20NonylphenolN530551 lbs0 lbs551 lbs
21Certain glycol ethersN230421 lbs0 lbs421 lbs
22Xylene (mixed isomers)1330-20-7363 lbs0 lbs363 lbs
23Formaldehyde50-00-0296 lbs0 lbs296 lbs
24Naphthalene91-20-3223 lbs0 lbs223 lbs
25Nitric acid7697-37-2217 lbs0 lbs217 lbs
26Formic acid64-18-6175 lbs0 lbs175 lbs
27n-Hexane110-54-3160 lbs0 lbs160 lbs
281,4-Dioxane123-91-1126 lbs0 lbs126 lbs
29Benzyl chloride100-44-7119 lbs0 lbs119 lbs
30Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0119 lbs0 lbs119 lbs
31Ethylene glycol107-21-1103 lbs0 lbs103 lbs
32Trade SecretTRD SECRT0 lbs46 lbs46 lbs
33Ethylene oxide75-21-842 lbs0 lbs42 lbs
34Acrolein107-02-828 lbs0 lbs28 lbs
35Maleic anhydride108-31-626 lbs0 lbs26 lbs
36Acetonitrile75-05-824 lbs0 lbs24 lbs
37Hydroquinone123-31-923 lbs0 lbs23 lbs
38Acetaldehyde75-07-02 lbs0 lbs2 lbs
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