Complete Property Analysis

Environmental risk, tax analysis, and property details for 24519 Blane Dr, Katy, Tx 77493

HCAD #1257950040009
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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
24519 Blane Dr, Katy, Tx 77493
Building Size
3,274sqft
Total structure area from HCAD building records.
Elevation
136.3 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)
146.14 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
95.2 acres
32.3% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$207,756
Based on HCAD building value of $319,625.
Depth-Damage (Neighborhood)
$205,872
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
41.1th percentile
Property Pollution Ranking
Moderate
Higher pollution than 59% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
40 thousandlbs
Above Typical
6.2x more than typical Houston property
2 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
39 thousandlbs
Above Typical
8.1x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
1 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
5
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)40,206 lbs39,006 lbs1,200 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)204 lbs177 lbs27 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 59% 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):
Toluene, Methyl isobutyl ketone, Zinc compounds, Copper, Lead compounds
View the full list of 10 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(10 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Toluene108-88-326,059 lbs0 lbs26,059 lbs
2Methyl isobutyl ketone108-10-110,513 lbs0 lbs10,513 lbs
3Zinc compoundsN9822,355 lbs1,019 lbs3,374 lbs
4Copper7440-50-80 lbs99 lbs99 lbs
5Lead compoundsN42053 lbs1 lbs55 lbs
6Chromium7440-47-39 lbs39 lbs48 lbs
7Nickel7440-02-00 lbs41 lbs41 lbs
8Lead And Lead CompoundsN42011 lbs1 lbs12 lbs
9Manganese7439-96-54 lbs0 lbs4 lbs
10Lead7439-92-12 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
Zinc compounds, Copper, Lead And Lead Compounds, Chromium, Nickel
View the full list of 5 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(5 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Zinc compoundsN982175 lbs23 lbs198 lbs
2Copper7440-50-80 lbs3 lbs3 lbs
3Lead And Lead CompoundsN4202 lbs0 lbs2 lbs
4Chromium7440-47-30 lbs1 lbs1 lbs
5Nickel7440-02-00 lbs1 lbs1 lbs
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