Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 17211 Hall Shepperd Rd, Houston, TX 77049

HCAD #0502150000045
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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
17211 Hall Shepperd Rd, Houston, TX 77049
Elevation
40.74 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)
50.58 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
139.0 acres
47.1% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$78,985
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
23.3th percentile
Property Pollution Ranking
High
Higher pollution than 77% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
581 thousandlbs
Very High
89.0x more than typical Houston property
≈ 29 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
577 thousandlbs
Extremely High
119.7x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
4 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
12
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)580,587 lbs577,018 lbs3,569 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)5,564 lbs4,995 lbs569 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 77% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 20-29th percentile.
📋
Top chemicals released near this property (past 10 years):
Methyl isobutyl ketone, Toluene, n-Butyl alcohol, Methanol, Manganese
View the full list of 15 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(15 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Methyl isobutyl ketone108-10-1525,733 lbs0 lbs525,733 lbs
2Toluene108-88-337,896 lbs0 lbs37,896 lbs
3n-Butyl alcohol71-36-34,387 lbs0 lbs4,387 lbs
4Methanol67-56-14,142 lbs0 lbs4,142 lbs
5Manganese7439-96-51,282 lbs2,340 lbs3,622 lbs
6Phenol108-95-22,365 lbs0 lbs2,365 lbs
7Lead7439-92-1565 lbs302 lbs867 lbs
8Manganese compoundsN4500 lbs778 lbs778 lbs
9Xylene (mixed isomers)1330-20-7252 lbs0 lbs252 lbs
10Methyl tert-butyl ether1634-04-4250 lbs0 lbs250 lbs
11Formaldehyde50-00-0115 lbs0 lbs115 lbs
12Chromium7440-47-310 lbs95 lbs105 lbs
13Nickel7440-02-022 lbs30 lbs51 lbs
14Chromium compounds (except for chromite ore mined in the Transvaal Region)N0900 lbs16 lbs16 lbs
15Nickel compoundsN4950 lbs8 lbs8 lbs
📋
Top chemicals released near this property (2024 only):
Methanol, Methyl isobutyl ketone, Manganese, Lead, 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)
1Methanol67-56-14,142 lbs0 lbs4,142 lbs
2Methyl isobutyl ketone108-10-1851 lbs0 lbs851 lbs
3Manganese7439-96-52 lbs532 lbs534 lbs
4Lead7439-92-10 lbs37 lbs37 lbs
5Nickel7440-02-01 lbs0 lbs1 lbs
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