Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 7218 Sawmill Trl, Houston, TX 77040

HCAD #1064120000005
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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
7218 Sawmill Trl, Houston, TX 77040
Building Size
1,909sqft
Total structure area from HCAD building records.
Elevation
91.33 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
157.5 acres
53.4% 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
36.7th percentile
Property Pollution Ranking
Moderate
Higher pollution than 63% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
93 thousandlbs
High
14.2x more than typical Houston property
≈ 5 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
92 thousandlbs
High
19.2x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
269lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
8
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)92,769 lbs92,500 lbs269 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)2,829 lbs2,764 lbs6 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 63% 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), Benzene, Ethylbenzene, o-Xylene, Ethylene glycol
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)
1Xylene (mixed isomers)1330-20-779,459 lbs6 lbs79,465 lbs
2Benzene71-43-29,329 lbs0 lbs9,329 lbs
3Ethylbenzene100-41-41,571 lbs0 lbs1,571 lbs
4o-Xylene95-47-6841 lbs0 lbs841 lbs
5Ethylene glycol107-21-1515 lbs0 lbs515 lbs
6Manganese7439-96-5294 lbs130 lbs454 lbs
7Nickel7440-02-0251 lbs27 lbs308 lbs
8Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N04022 lbs98 lbs232 lbs
9Chromium7440-47-3150 lbs6 lbs186 lbs
10Lead compoundsN42022 lbs3 lbs30 lbs
11Nitrate compounds (water dissociable; reportable only when in aqueous solution)N51118 lbs0 lbs18 lbs
12Manganese compoundsN45013 lbs0 lbs13 lbs
13Zinc compoundsN9829 lbs0 lbs9 lbs
14Mercury compoundsN4584 lbs0 lbs4 lbs
15Copper7440-50-82 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
Xylene (mixed isomers), Benzene, Nickel, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Ethylbenzene
View the full list of 9 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(9 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Xylene (mixed isomers)1330-20-72,295 lbs0 lbs2,295 lbs
2Benzene71-43-2334 lbs0 lbs334 lbs
3Nickel7440-02-070 lbs0 lbs70 lbs
4Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0406 lbs6 lbs68 lbs
5Ethylbenzene100-41-447 lbs0 lbs47 lbs
6Lead compoundsN4204 lbs0 lbs7 lbs
7Chromium7440-47-34 lbs0 lbs4 lbs
8Copper7440-50-82 lbs0 lbs2 lbs
9Manganese7439-96-52 lbs0 lbs2 lbs
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