Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 8330 Lyons Ave, Houston, TX 77029

HCAD #1238170010002
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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
8330 Lyons Ave, Houston, TX 77029
Elevation
38.66 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
146.8 acres
49.8% 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
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
23.3th percentile
Property Pollution Ranking
High
Higher pollution than 77% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
581 thousandlbs
Very High
89.1x more than typical Houston property
≈ 29 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
575 thousandlbs
Extremely High
119.3x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
6 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
18
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)581,243 lbs575,438 lbs5,806 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)72,565 lbs71,572 lbs994 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 77% 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, Xylene (mixed isomers), n-Butyl alcohol, Zinc compounds, Phenol
View the full list of 40 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(40 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ammonia7664-41-7307,674 lbs0 lbs307,674 lbs
2Xylene (mixed isomers)1330-20-7142,470 lbs0 lbs142,470 lbs
3n-Butyl alcohol71-36-333,617 lbs0 lbs33,617 lbs
4Zinc compoundsN98224,227 lbs4,977 lbs29,204 lbs
5Phenol108-95-224,642 lbs0 lbs24,642 lbs
6Ethylbenzene100-41-416,665 lbs0 lbs16,665 lbs
7Hydrogen sulfide7783-06-46,912 lbs0 lbs6,912 lbs
8Styrene100-42-55,373 lbs0 lbs5,373 lbs
9Methyl isobutyl ketone108-10-13,355 lbs0 lbs3,355 lbs
10Methanol67-56-13,036 lbs0 lbs3,036 lbs
11Toluene108-88-31,015 lbs0 lbs2,188 lbs
12Formaldehyde50-00-01,893 lbs0 lbs1,893 lbs
13Polycyclic aromatic compoundsN5901,170 lbs1 lbs1,170 lbs
14Propylene115-07-1810 lbs0 lbs810 lbs
15Manganese7439-96-5166 lbs336 lbs503 lbs
16Certain glycol ethersN230402 lbs0 lbs402 lbs
17Chloroacetic acid79-11-8330 lbs0 lbs330 lbs
18Methyl methacrylate80-62-6265 lbs0 lbs265 lbs
19Lead7439-92-1229 lbs22 lbs250 lbs
20Naphthalene91-20-3229 lbs0 lbs229 lbs
21Manganese compoundsN45018 lbs208 lbs226 lbs
22Benzo[g,h,i]perylene191-24-2221 lbs0 lbs221 lbs
23Zinc (fume or dust)7440-66-6192 lbs0 lbs192 lbs
24Chromium compounds (except for chromite ore mined in the Transvaal Region)N090141 lbs15 lbs156 lbs
251,2,4-Trimethylbenzene95-63-6125 lbs0 lbs125 lbs
26DiisocyanatesN120101 lbs4 lbs105 lbs
27Aluminum oxide (fibrous forms)1344-28-11 lbs98 lbs99 lbs
28Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs67 lbs67 lbs
29Lead compoundsN42038 lbs22 lbs60 lbs
30Nickel7440-02-03 lbs38 lbs41 lbs
31Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09032 lbs1 lbs33 lbs
32Nitric acid7697-37-230 lbs0 lbs30 lbs
33Aluminum (fume or dust)7429-90-524 lbs0 lbs24 lbs
34Barium And Barium CompoundsN0400 lbs16 lbs16 lbs
35Nitrate compounds (water dissociable; reportable only when in aqueous solution)N51115 lbs0 lbs15 lbs
36Mercury7439-97-612 lbs0 lbs12 lbs
37Lead And Lead CompoundsN4203 lbs1 lbs3 lbs
38Copper compoundsN1001 lbs1 lbs2 lbs
39Molybdenum trioxide1313-27-51 lbs0 lbs1 lbs
40Dioxin and dioxin-like compoundsN1501 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ammonia, Xylene (mixed isomers), Zinc compounds, Styrene, Lead
View the full list of 15 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(15 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ammonia7664-41-749,429 lbs0 lbs49,429 lbs
2Xylene (mixed isomers)1330-20-716,019 lbs0 lbs16,019 lbs
3Zinc compoundsN9823,493 lbs739 lbs4,232 lbs
4Styrene100-42-52,239 lbs0 lbs2,239 lbs
5Lead7439-92-1228 lbs3 lbs232 lbs
6Manganese compoundsN4502 lbs116 lbs118 lbs
7Polycyclic aromatic compoundsN590115 lbs0 lbs115 lbs
8Aluminum oxide (fibrous forms)1344-28-10 lbs42 lbs42 lbs
9Manganese7439-96-50 lbs41 lbs41 lbs
10Nickel7440-02-00 lbs31 lbs31 lbs
11Benzo[g,h,i]perylene191-24-221 lbs0 lbs21 lbs
12Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0400 lbs19 lbs19 lbs
13Methyl methacrylate80-62-610 lbs0 lbs10 lbs
14Chloroacetic acid79-11-810 lbs0 lbs10 lbs
15Lead compoundsN4205 lbs3 lbs8 lbs
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