Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 0 Valley Brook Dr, La Porte, TX 77571

HCAD #1178830090012
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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
0 Valley Brook Dr, La Porte, TX 77571
Elevation
19.15 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)
28.99 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)
$0
Vacant lot (no building data).
Depth-Damage (Neighborhood)
$0
Vacant lot (no building data).
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
42.9th percentile
Property Pollution Ranking
Moderate
Higher pollution than 57% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
27 thousandlbs
Above Typical
4.2x more than typical Houston property
≈ 1 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
27 thousandlbs
Above Typical
5.6x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
170lbs
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)27,235 lbs27,064 lbs170 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)369 lbs369 lbs0 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 57% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 40-49th percentile (slightly higher than average).
📋
Top chemicals released near this property (past 10 years):
Ammonia, Methanol, Certain glycol ethers, 1,2,4-Trimethylbenzene, Xylene (mixed isomers)
View the full list of 21 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(21 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ammonia7664-41-718,061 lbs68 lbs18,129 lbs
2Methanol67-56-13,226 lbs0 lbs3,226 lbs
3Certain glycol ethersN2301,449 lbs0 lbs1,450 lbs
41,2,4-Trimethylbenzene95-63-6971 lbs0 lbs971 lbs
5Xylene (mixed isomers)1330-20-7874 lbs0 lbs874 lbs
6Toluene108-88-3807 lbs0 lbs807 lbs
7Ethylene oxide75-21-8791 lbs0 lbs791 lbs
8Cyclohexane110-82-7377 lbs0 lbs377 lbs
9Nitric acid7697-37-2149 lbs0 lbs149 lbs
10Formaldehyde50-00-046 lbs102 lbs148 lbs
11Ethylbenzene100-41-494 lbs0 lbs94 lbs
12Cumene98-82-868 lbs0 lbs68 lbs
13Chloromethane74-87-351 lbs0 lbs51 lbs
14Chromium7440-47-345 lbs0 lbs45 lbs
15Naphthalene91-20-333 lbs0 lbs33 lbs
16Propylene oxide75-56-914 lbs0 lbs14 lbs
17Bis(2-chloroethyl) ether111-44-43 lbs0 lbs3 lbs
18Methyl methacrylate80-62-62 lbs0 lbs2 lbs
19Maleic anhydride108-31-61 lbs0 lbs1 lbs
20Ethylene glycol107-21-11 lbs0 lbs1 lbs
21n-Butyl alcohol71-36-31 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Methanol, 1,2,4-Trimethylbenzene, Ethylene oxide, Xylene (mixed isomers), Cyclohexane
View the full list of 11 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(11 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Methanol67-56-1139 lbs0 lbs139 lbs
21,2,4-Trimethylbenzene95-63-674 lbs0 lbs74 lbs
3Ethylene oxide75-21-863 lbs0 lbs63 lbs
4Xylene (mixed isomers)1330-20-739 lbs0 lbs39 lbs
5Cyclohexane110-82-724 lbs0 lbs24 lbs
6Toluene108-88-316 lbs0 lbs16 lbs
7Cumene98-82-84 lbs0 lbs4 lbs
8Ethylbenzene100-41-44 lbs0 lbs4 lbs
9Formaldehyde50-00-03 lbs0 lbs3 lbs
10Ammonia7664-41-72 lbs0 lbs2 lbs
11Propylene oxide75-56-91 lbs0 lbs1 lbs
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