Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 0 San Augustine St, Pasadena, TX 77503

HCAD #0460290000001
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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 AE
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 San Augustine St, Pasadena, TX 77503
Elevation
28.41 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
Overall Risk
Moderate
Risk based on FEMA zone and simulation.
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
Moderate
Flood Depth
0 ft±0.5 ft
No flooding at current water level.
Water Surface Elevation (WSE)
N/A
Water surface elevation data not available.
Area Inundated
106.3 acres
36.0% 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 Safe
Safety Margin: 0 feet
Severity
Safe
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
Special Flood Hazard Area (SFHA): Flood insurance required for federally backed mortgages
#2
Obtain an Elevation Certificate to determine accurate flood insurance premiums
#3
Property elevation currently above simulated flood level
#4
Maintain flood insurance coverage as required in Special Flood Hazard Areas
#5
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#6
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
16.0th percentile
Property Pollution Ranking
High
Higher pollution than 84% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
1.8 millionlbs
Extremely High
276.4x more than typical Houston property
≈ 90 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
747 thousandlbs
Extremely High
154.9x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
1.06 millionlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
6
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)1,803,591 lbs746,923 lbs1,056,668 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)127,555 lbs54,048 lbs73,507 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 84% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 10-19th percentile.
📋
Top chemicals released near this property (past 10 years):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Acetophenone, Methanol, Vinyl chloride, Acetaldehyde
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)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs1,038,744 lbs1,038,744 lbs
2Acetophenone98-86-2206,492 lbs3,645 lbs210,136 lbs
3Methanol67-56-1182,968 lbs7,563 lbs190,531 lbs
4Vinyl chloride75-01-4166,976 lbs14 lbs166,990 lbs
5Acetaldehyde75-07-092,740 lbs3,956 lbs96,696 lbs
6Cumene98-82-882,734 lbs1 lbs82,734 lbs
7Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-08,399 lbs0 lbs8,399 lbs
8Ammonia7664-41-74,450 lbs2,681 lbs7,131 lbs
9Ethylene glycol107-21-11,955 lbs0 lbs1,955 lbs
10Diethanolamine111-42-2205 lbs0 lbs205 lbs
11Chromium7440-47-30 lbs33 lbs33 lbs
12Nickel7440-02-00 lbs31 lbs31 lbs
13Piperonyl butoxide51-03-64 lbs0 lbs4 lbs
14Xylene (mixed isomers)1330-20-71 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Acetophenone, Vinyl chloride, Acetaldehyde, Cumene
View the full list of 10 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(10 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs72,435 lbs72,435 lbs
2Acetophenone98-86-217,719 lbs350 lbs18,069 lbs
3Vinyl chloride75-01-413,207 lbs1 lbs13,208 lbs
4Acetaldehyde75-07-08,300 lbs380 lbs8,680 lbs
5Cumene98-82-86,990 lbs0 lbs6,990 lbs
6Ammonia7664-41-74,450 lbs0 lbs4,450 lbs
7Methanol67-56-13,252 lbs336 lbs3,588 lbs
8Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0130 lbs0 lbs130 lbs
9Nickel7440-02-00 lbs2 lbs2 lbs
10Chromium7440-47-30 lbs2 lbs2 lbs
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