Complete Property Analysis

Environmental risk, tax analysis, and property details for 1505 Willow View St, La Porte, TX 77571

HCAD #0942800000001
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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 X
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
1505 Willow View St, La Porte, TX 77571
Building Size
2,663sqft
Total structure area from HCAD building records.
Elevation
24.76 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
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)
34.61 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
289.8 acres
98.3% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$162,355
Based on HCAD building value of $249,778.
Depth-Damage (Neighborhood)
$162,363
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
Minimal flood hazard area - property outside mapped high-risk zones
#2
Flood insurance available at preferred rates - over 25% of claims occur in low-risk areas
#3
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#4
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
14.9th percentile
Property Pollution Ranking
High
Higher pollution than 85% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
2.42 millionlbs
Extremely High
371.5x more than typical Houston property
121 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
2.19 millionlbs
Extremely High
455.0x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
230 thousandlbs
Extremely 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)2,424,003 lbs2,194,129 lbs229,875 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)165,467 lbs165,444 lbs23 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 85% 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):
Propylene, Methanol, n-Hexane, Ethylene, Ammonia
View the full list of 27 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(27 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Propylene115-07-1919,027 lbs0 lbs919,027 lbs
2Methanol67-56-1244,523 lbs228,708 lbs473,231 lbs
3n-Hexane110-54-3437,619 lbs0 lbs437,619 lbs
4Ethylene74-85-1288,847 lbs0 lbs288,847 lbs
5Ammonia7664-41-789,901 lbs0 lbs89,901 lbs
6Certain glycol ethersN23063,696 lbs0 lbs63,696 lbs
7Xylene (mixed isomers)1330-20-743,144 lbs0 lbs43,144 lbs
8Ethylene glycol107-21-116,751 lbs0 lbs16,751 lbs
9Chlorobenzene108-90-716,036 lbs0 lbs16,036 lbs
10Boron trifluoride7637-07-214,190 lbs0 lbs14,190 lbs
11Chloroethane75-00-313,375 lbs0 lbs13,375 lbs
12Cyclohexane110-82-712,948 lbs0 lbs12,948 lbs
13Chlorine7782-50-57,622 lbs605 lbs8,227 lbs
14Zinc compoundsN9826,213 lbs562 lbs6,775 lbs
15Toluene108-88-35,877 lbs0 lbs5,877 lbs
16Maleic anhydride108-31-65,569 lbs0 lbs5,569 lbs
17DiisocyanatesN1204,276 lbs0 lbs4,276 lbs
18Mercury7439-97-60 lbs0 lbs2,200 lbs
19Di(2-ethylhexyl) phthalate117-81-72,020 lbs0 lbs2,020 lbs
20Isoprene78-79-5923 lbs0 lbs923 lbs
21Aluminum (fume or dust)7429-90-5462 lbs0 lbs462 lbs
22Chloromethane74-87-3326 lbs0 lbs326 lbs
23Naphthalene91-20-3245 lbs0 lbs245 lbs
241,3-Butadiene106-99-0217 lbs0 lbs217 lbs
25Ethylbenzene100-41-4216 lbs0 lbs216 lbs
26n-Butyl alcohol71-36-359 lbs0 lbs59 lbs
27sec-Butyl alcohol78-92-247 lbs0 lbs47 lbs
📋
Top chemicals released near this property (2024 only):
Propylene, n-Hexane, Ethylene, Ammonia, Certain glycol ethers
View the full list of 17 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(17 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Propylene115-07-183,354 lbs0 lbs83,354 lbs
2n-Hexane110-54-331,953 lbs0 lbs31,953 lbs
3Ethylene74-85-130,290 lbs0 lbs30,290 lbs
4Ammonia7664-41-75,791 lbs0 lbs5,791 lbs
5Certain glycol ethersN2303,026 lbs0 lbs3,026 lbs
6DiisocyanatesN1201,843 lbs0 lbs1,843 lbs
7Maleic anhydride108-31-61,569 lbs0 lbs1,569 lbs
8Cyclohexane110-82-71,566 lbs0 lbs1,566 lbs
9Chloroethane75-00-31,429 lbs0 lbs1,429 lbs
10Toluene108-88-31,372 lbs0 lbs1,372 lbs
11Boron trifluoride7637-07-21,192 lbs0 lbs1,192 lbs
12Xylene (mixed isomers)1330-20-71,144 lbs0 lbs1,144 lbs
13Zinc compoundsN982426 lbs23 lbs449 lbs
14Naphthalene91-20-3245 lbs0 lbs245 lbs
15Ethylbenzene100-41-4216 lbs0 lbs216 lbs
16Aluminum (fume or dust)7429-90-526 lbs0 lbs26 lbs
17Ethylene glycol107-21-11 lbs0 lbs1 lbs
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