Complete Property Analysis

Environmental risk, tax analysis, and property details for 518 Brockhampton St, Houston, TX 77013

HCAD #0931610000035
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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
518 Brockhampton St, Houston, TX 77013
Building Size
1,853sqft
Total structure area from HCAD building records.
Elevation
30.68 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)
40.53 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
174.4 acres
59.1% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$76,002
Based on HCAD building value of $116,927.
Depth-Damage (Neighborhood)
$81,396
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
27.4th percentile
Property Pollution Ranking
Moderate
Higher pollution than 73% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
336 thousandlbs
Very High
51.5x more than typical Houston property
17 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
329 thousandlbs
Very High
68.3x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
6 thousandlbs
Very 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)335,815 lbs329,498 lbs6,317 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)54,291 lbs53,246 lbs1,046 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 73% 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):
Ammonia, Zinc compounds, Xylene (mixed isomers), Methanol, Ethylbenzene
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)
1Ammonia7664-41-7295,214 lbs0 lbs295,214 lbs
2Zinc compoundsN98226,698 lbs6,210 lbs32,908 lbs
3Xylene (mixed isomers)1330-20-73,210 lbs0 lbs3,210 lbs
4Methanol67-56-12,781 lbs0 lbs2,781 lbs
5Ethylbenzene100-41-4700 lbs0 lbs700 lbs
6Nickel7440-02-0376 lbs1 lbs376 lbs
7Lead7439-92-1234 lbs1 lbs235 lbs
81,2,4-Trimethylbenzene95-63-6125 lbs0 lbs125 lbs
9Lead compoundsN42078 lbs22 lbs100 lbs
10Naphthalene91-20-367 lbs0 lbs67 lbs
11Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs67 lbs67 lbs
12Barium And Barium CompoundsN0400 lbs16 lbs16 lbs
13Mercury7439-97-612 lbs0 lbs12 lbs
14Lead And Lead CompoundsN4203 lbs1 lbs3 lbs
15Dioxin and dioxin-like compoundsN1501 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ammonia, Zinc compounds, Lead, Nickel, Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
View the full list of 6 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(6 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ammonia7664-41-749,429 lbs0 lbs49,429 lbs
2Zinc compoundsN9823,493 lbs1,023 lbs4,516 lbs
3Lead7439-92-1228 lbs1 lbs229 lbs
4Nickel7440-02-090 lbs0 lbs90 lbs
5Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs19 lbs19 lbs
6Lead compoundsN4205 lbs3 lbs8 lbs
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