Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 102 S Y St, La Porte, TX 77571

HCAD #0562630020001
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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
102 S Y St, La Porte, TX 77571
Building Size
1,710sqft
Total structure area from HCAD building records.
Elevation
12.7 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)
22.54 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)
$55,068
Based on HCAD building value of $84,720.
Depth-Damage (Neighborhood)
$72,981
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
18.9th 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)
1.09 millionlbs
Extremely High
167.5x more than typical Houston property
≈ 55 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
1.09 millionlbs
Extremely High
226.5x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
479lbs
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)1,092,826 lbs1,092,348 lbs479 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)88,149 lbs88,144 lbs5 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):
Ethylene, Ammonia, Methanol, Vinyl acetate, Cyclohexane
View the full list of 35 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(35 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ethylene74-85-1323,747 lbs0 lbs323,747 lbs
2Ammonia7664-41-7204,698 lbs0 lbs204,698 lbs
3Methanol67-56-1195,521 lbs55 lbs195,576 lbs
4Vinyl acetate108-05-4117,185 lbs0 lbs117,185 lbs
5Cyclohexane110-82-7102,641 lbs0 lbs102,641 lbs
6Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-035,668 lbs0 lbs35,668 lbs
7n-Hexane110-54-317,593 lbs0 lbs17,593 lbs
8Propylene oxide75-56-916,381 lbs0 lbs16,381 lbs
9Isoprene78-79-515,828 lbs0 lbs15,828 lbs
10Chlorine7782-50-512,676 lbs0 lbs12,676 lbs
111,3-Butadiene106-99-012,674 lbs0 lbs12,674 lbs
12Xylene (mixed isomers)1330-20-75,625 lbs0 lbs5,625 lbs
13Styrene100-42-55,569 lbs0 lbs5,569 lbs
14Chloroacetic acid79-11-84,175 lbs0 lbs4,175 lbs
15Toluene108-88-33,039 lbs0 lbs3,039 lbs
16Acetaldehyde75-07-02,587 lbs0 lbs2,587 lbs
171,2-Butylene oxide106-88-72,348 lbs0 lbs2,348 lbs
18Phosgene75-44-51,958 lbs0 lbs1,958 lbs
19Allyl alcohol107-18-61,820 lbs0 lbs1,820 lbs
20Ethyl chloroformate541-41-31,467 lbs0 lbs1,467 lbs
21Methyl chlorocarbonate79-22-11,449 lbs0 lbs1,449 lbs
22sec-Butyl alcohol78-92-21,434 lbs0 lbs1,434 lbs
23Nitric acid7697-37-21,405 lbs0 lbs1,405 lbs
24tert-Butyl alcohol75-65-01,254 lbs0 lbs1,254 lbs
25n-Butyl alcohol71-36-31,211 lbs0 lbs1,211 lbs
26Dicyclopentadiene77-73-61,178 lbs0 lbs1,178 lbs
27Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9597 lbs0 lbs597 lbs
28Ethylene glycol107-21-1513 lbs0 lbs513 lbs
29Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs370 lbs370 lbs
30Zinc compoundsN98235 lbs33 lbs68 lbs
31Antimony compoundsN01020 lbs15 lbs35 lbs
32N,N-Dimethylformamide68-12-234 lbs0 lbs34 lbs
33Phthalic anhydride85-44-913 lbs0 lbs13 lbs
34Antimony And Antimony CompoundsN0105 lbs5 lbs10 lbs
35Nickel compoundsN4950 lbs1 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ethylene, Ammonia, Methanol, Vinyl acetate, Cyclohexane
View the full list of 27 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(27 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ethylene74-85-124,034 lbs0 lbs24,034 lbs
2Ammonia7664-41-716,568 lbs0 lbs16,568 lbs
3Methanol67-56-114,181 lbs5 lbs14,186 lbs
4Vinyl acetate108-05-411,698 lbs0 lbs11,698 lbs
5Cyclohexane110-82-78,101 lbs0 lbs8,101 lbs
6Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-06,374 lbs0 lbs6,374 lbs
7Isoprene78-79-52,125 lbs0 lbs2,125 lbs
81,3-Butadiene106-99-01,187 lbs0 lbs1,187 lbs
9Chlorine7782-50-5961 lbs0 lbs961 lbs
10n-Hexane110-54-3521 lbs0 lbs521 lbs
11Chloroacetic acid79-11-8476 lbs0 lbs476 lbs
12Styrene100-42-5424 lbs0 lbs424 lbs
13Propylene oxide75-56-9370 lbs0 lbs370 lbs
14Nitric acid7697-37-2217 lbs0 lbs217 lbs
15Toluene108-88-3196 lbs0 lbs196 lbs
16Ethyl chloroformate541-41-3120 lbs0 lbs120 lbs
17Dicyclopentadiene77-73-697 lbs0 lbs97 lbs
18Allyl alcohol107-18-696 lbs0 lbs96 lbs
19sec-Butyl alcohol78-92-293 lbs0 lbs93 lbs
20Xylene (mixed isomers)1330-20-788 lbs0 lbs88 lbs
21n-Butyl alcohol71-36-385 lbs0 lbs85 lbs
221,2-Butylene oxide106-88-752 lbs0 lbs52 lbs
23Phosgene75-44-527 lbs0 lbs27 lbs
24tert-Butyl alcohol75-65-026 lbs0 lbs26 lbs
25Methyl chlorocarbonate79-22-113 lbs0 lbs13 lbs
26Ethylene glycol107-21-112 lbs0 lbs12 lbs
27Acetaldehyde75-07-02 lbs0 lbs2 lbs
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