Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 2309 Lomax Dr, La Porte, TX 77571

HCAD #0790490000002
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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
2309 Lomax Dr, La Porte, TX 77571
Building Size
4,763sqft
Total structure area from HCAD building records.
Elevation
21.48 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)
31.32 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.7 acres
99.9% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$265,859
Based on HCAD building value of $409,015.
Depth-Damage (Neighborhood)
$290,554
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
14.3th percentile
Property Pollution Ranking
High
Higher pollution than 86% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
2.87 millionlbs
Extremely High
439.8x more than typical Houston property
≈ 143 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
1.7 millionlbs
Extremely High
352.1x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
1.17 millionlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
16
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)2,869,091 lbs1,698,059 lbs1,171,032 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)78,579 lbs78,579 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 86% 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):
Methanol, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ethylene, Vinyl acetate, Ammonia
View the full list of 38 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(38 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Methanol67-56-1816,035 lbs228,708 lbs1,303,743 lbs
2Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs911,682 lbs911,682 lbs
3Ethylene74-85-1340,989 lbs0 lbs340,989 lbs
4Vinyl acetate108-05-4119,429 lbs0 lbs257,039 lbs
5Ammonia7664-41-7107,001 lbs3,199 lbs110,200 lbs
6Certain glycol ethersN23062,831 lbs0 lbs62,831 lbs
7Xylene (mixed isomers)1330-20-743,900 lbs0 lbs58,245 lbs
8Toluene108-88-345,000 lbs0 lbs45,000 lbs
9Formaldehyde50-00-036,646 lbs0 lbs36,646 lbs
10Propylene115-07-132,044 lbs0 lbs32,044 lbs
11Sodium nitrite7632-00-00 lbs26,012 lbs26,012 lbs
12n-Hexane110-54-320,824 lbs0 lbs20,824 lbs
13Ethylene glycol107-21-116,751 lbs0 lbs16,751 lbs
14Hydroquinone123-31-90 lbs0 lbs14,940 lbs
15Boron trifluoride7637-07-214,190 lbs0 lbs14,190 lbs
16Acetaldehyde75-07-03,797 lbs0 lbs10,027 lbs
17Chlorine7782-50-59,153 lbs605 lbs9,758 lbs
18Dimethylamine124-40-37,035 lbs0 lbs7,035 lbs
19Maleic anhydride108-31-65,569 lbs0 lbs5,569 lbs
20Dichloromethane75-09-25,437 lbs0 lbs5,437 lbs
21Acetonitrile75-05-85,326 lbs0 lbs5,326 lbs
22Mercury7439-97-60 lbs0 lbs2,200 lbs
23Di(2-ethylhexyl) phthalate117-81-72,020 lbs0 lbs2,020 lbs
24Aluminum oxide (fibrous forms)1344-28-11,750 lbs0 lbs1,750 lbs
25Hydrogen fluoride7664-39-31,062 lbs0 lbs1,062 lbs
26Methyl methacrylate80-62-6385 lbs0 lbs385 lbs
27Manganese7439-96-50 lbs282 lbs282 lbs
28Naphthalene91-20-3245 lbs0 lbs245 lbs
291,3-Butadiene106-99-0217 lbs0 lbs217 lbs
30Ethylbenzene100-41-4216 lbs0 lbs216 lbs
31Hexazinone51235-04-20 lbs212 lbs212 lbs
32Zinc compoundsN9820 lbs155 lbs155 lbs
33Nickel7440-02-00 lbs152 lbs152 lbs
34Chromium7440-47-345 lbs25 lbs70 lbs
35n-Butyl alcohol71-36-359 lbs0 lbs59 lbs
36Methyl acrylate96-33-355 lbs0 lbs55 lbs
37sec-Butyl alcohol78-92-247 lbs0 lbs47 lbs
38Methyl isocyanate624-83-91 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Methanol, Ethylene, Vinyl acetate, Ammonia, Formaldehyde
View the full list of 16 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(16 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Methanol67-56-144,851 lbs0 lbs44,851 lbs
2Ethylene74-85-19,510 lbs0 lbs9,510 lbs
3Vinyl acetate108-05-46,880 lbs0 lbs6,880 lbs
4Ammonia7664-41-75,791 lbs0 lbs5,791 lbs
5Formaldehyde50-00-03,559 lbs0 lbs3,559 lbs
6Certain glycol ethersN2302,700 lbs0 lbs2,700 lbs
7Maleic anhydride108-31-61,569 lbs0 lbs1,569 lbs
8Boron trifluoride7637-07-21,192 lbs0 lbs1,192 lbs
9Xylene (mixed isomers)1330-20-71,144 lbs0 lbs1,144 lbs
10Propylene115-07-1500 lbs0 lbs500 lbs
11Aluminum oxide (fibrous forms)1344-28-1250 lbs0 lbs250 lbs
12Naphthalene91-20-3245 lbs0 lbs245 lbs
13Ethylbenzene100-41-4216 lbs0 lbs216 lbs
14Chlorine7782-50-5160 lbs0 lbs160 lbs
15Acetaldehyde75-07-010 lbs0 lbs10 lbs
16Ethylene glycol107-21-11 lbs0 lbs1 lbs
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