Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 8019 Colgate St, Houston, TX 77061

HCAD #0904370000025
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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
8019 Colgate St, Houston, TX 77061
Building Size
4,342sqft
Total structure area from HCAD building records.
Elevation
27.72 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)
37.56 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
161.9 acres
54.9% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$273,636
Based on HCAD building value of $420,979.
Depth-Damage (Neighborhood)
$237,948
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
19.4th percentile
Property Pollution Ranking
High
Higher pollution than 81% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
956 thousandlbs
Extremely High
146.5x more than typical Houston property
≈ 48 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
913 thousandlbs
Extremely High
189.3x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
43 thousandlbs
Extremely 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)955,837 lbs912,730 lbs43,106 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)62,127 lbs47,567 lbs14,559 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 81% 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, Methyl tert-butyl ether, 1,3-Butadiene, Methanol, N,N-Dimethylformamide
View the full list of 14 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(14 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ammonia7664-41-7279,379 lbs3,674 lbs283,053 lbs
2Methyl tert-butyl ether1634-04-4267,534 lbs0 lbs267,534 lbs
31,3-Butadiene106-99-0255,578 lbs0 lbs255,578 lbs
4Methanol67-56-155,467 lbs39,325 lbs94,793 lbs
5N,N-Dimethylformamide68-12-222,161 lbs88 lbs22,249 lbs
6tert-Butyl alcohol75-65-015,263 lbs0 lbs15,263 lbs
7Propylene115-07-114,205 lbs0 lbs14,205 lbs
8Ethylene74-85-12,621 lbs0 lbs2,621 lbs
9Chromium compounds (except for chromite ore mined in the Transvaal Region)N090321 lbs0 lbs321 lbs
10Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N090165 lbs0 lbs165 lbs
11Boron trifluoride7637-07-236 lbs0 lbs36 lbs
12Zinc compoundsN9820 lbs16 lbs16 lbs
13Chromium7440-47-30 lbs2 lbs2 lbs
14Nickel7440-02-00 lbs1 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Methanol, Methyl tert-butyl ether, 1,3-Butadiene, N,N-Dimethylformamide, Propylene
View the full list of 12 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(12 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Methanol67-56-16,850 lbs14,541 lbs21,391 lbs
2Methyl tert-butyl ether1634-04-418,336 lbs0 lbs18,336 lbs
31,3-Butadiene106-99-018,236 lbs0 lbs18,236 lbs
4N,N-Dimethylformamide68-12-21,641 lbs0 lbs1,641 lbs
5Propylene115-07-11,091 lbs0 lbs1,091 lbs
6tert-Butyl alcohol75-65-01,021 lbs0 lbs1,021 lbs
7Ethylene74-85-1364 lbs0 lbs364 lbs
8Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09027 lbs0 lbs27 lbs
9Zinc compoundsN9820 lbs16 lbs16 lbs
10Chromium7440-47-30 lbs2 lbs2 lbs
11Boron trifluoride7637-07-21 lbs0 lbs1 lbs
12Nickel7440-02-00 lbs1 lbs1 lbs
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