Complete Property Analysis

Environmental risk, tax analysis, and property details for 1827 Isom St, Houston, TX 77039

HCAD #0250460000429
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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
1827 Isom St, Houston, TX 77039
Building Size
2,304sqft
Total structure area from HCAD building records.
Elevation
68.29 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
Overall Risk
Very Low
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
Very Low
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
41.1 acres
14.0% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$0
Property not flooded. No damage to calculate.
Depth-Damage (Neighborhood)
$0
Property not flooded. No damage to calculate.
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
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
35.9th percentile
Property Pollution Ranking
Moderate
Higher pollution than 64% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
104 thousandlbs
High
15.9x more than typical Houston property
5 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
104 thousandlbs
High
21.5x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
149lbs
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)103,683 lbs103,534 lbs149 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)673 lbs673 lbs0 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 64% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 30-39th percentile.
📋
Top chemicals released near this property (past 10 years):
Xylene (mixed isomers), Diisocyanates, Aluminum (fume or dust), Manganese, Ethylbenzene
View the full list of 13 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(13 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Xylene (mixed isomers)1330-20-790,809 lbs0 lbs90,809 lbs
2DiisocyanatesN1206,089 lbs0 lbs6,089 lbs
3Aluminum (fume or dust)7429-90-52,500 lbs0 lbs2,500 lbs
4Manganese7439-96-51,868 lbs81 lbs1,949 lbs
5Ethylbenzene100-41-4777 lbs0 lbs777 lbs
6Toluene108-88-3694 lbs0 lbs694 lbs
7Dichloromethane75-09-2407 lbs0 lbs407 lbs
8Chromium7440-47-3202 lbs12 lbs214 lbs
9Nickel7440-02-0167 lbs36 lbs202 lbs
10Nickel compoundsN4956 lbs11 lbs18 lbs
11Chromium compounds (except for chromite ore mined in the Transvaal Region)N0903 lbs8 lbs11 lbs
12Certain glycol ethersN2308 lbs0 lbs8 lbs
13Copper7440-50-85 lbs1 lbs6 lbs
📋
Top chemicals released near this property (2024 only):
Aluminum (fume or dust), Diisocyanates, Toluene, Xylene (mixed isomers), Manganese
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)
1Aluminum (fume or dust)7429-90-5250 lbs0 lbs250 lbs
2DiisocyanatesN120250 lbs0 lbs250 lbs
3Toluene108-88-392 lbs0 lbs92 lbs
4Xylene (mixed isomers)1330-20-752 lbs0 lbs52 lbs
5Manganese7439-96-523 lbs0 lbs23 lbs
6Certain glycol ethersN2306 lbs0 lbs6 lbs
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