Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 314 Arvana St, Houston, TX 77034

HCAD #0840820000010
🧭Jump to Section
🌍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
314 Arvana St, Houston, TX 77034
Building Size
2,147sqft
Total structure area from HCAD building records.
Elevation
33.07 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)
42.91 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.4 acres
99.8% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$76,527
Based on HCAD building value of $117,735.
Depth-Damage (Neighborhood)
$98,511
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
32.6th percentile
Property Pollution Ranking
Moderate
Higher pollution than 67% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
161 thousandlbs
High
24.7x more than typical Houston property
≈ 8 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
161 thousandlbs
High
33.3x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
343lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
4
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)160,971 lbs160,628 lbs343 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)6,116 lbs6,111 lbs5 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 67% 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):
Toluene, Xylene (mixed isomers), N-Methyl-2-pyrrolidone, Cyclohexane, n-Hexane
View the full list of 25 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(25 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Toluene108-88-379,067 lbs0 lbs79,067 lbs
2Xylene (mixed isomers)1330-20-718,800 lbs0 lbs18,806 lbs
3N-Methyl-2-pyrrolidone872-50-417,750 lbs0 lbs17,750 lbs
4Cyclohexane110-82-714,355 lbs0 lbs14,355 lbs
5n-Hexane110-54-36,091 lbs0 lbs6,091 lbs
6Methanol67-56-14,436 lbs0 lbs4,436 lbs
7Nitric acid7697-37-24,015 lbs0 lbs4,015 lbs
8Copper7440-50-82,452 lbs0 lbs2,452 lbs
9Nickel7440-02-02,057 lbs0 lbs2,057 lbs
10Certain glycol ethersN2301,924 lbs0 lbs1,924 lbs
11Nickel compoundsN4951,754 lbs156 lbs1,910 lbs
12Chromium7440-47-31,793 lbs0 lbs1,793 lbs
13Nickel And Nickel CompoundsN4951,505 lbs13 lbs1,518 lbs
14Ethylbenzene100-41-41,396 lbs0 lbs1,396 lbs
15n-Butyl alcohol71-36-31,280 lbs0 lbs1,280 lbs
16Methyl isobutyl ketone108-10-11,015 lbs0 lbs1,015 lbs
171,2,4-Trimethylbenzene95-63-6521 lbs0 lbs521 lbs
18Ethylene glycol107-21-1209 lbs0 lbs209 lbs
19Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs173 lbs173 lbs
20Polycyclic aromatic compoundsN59084 lbs0 lbs162 lbs
21Manganese7439-96-562 lbs0 lbs62 lbs
22Styrene100-42-537 lbs0 lbs37 lbs
23NonylphenolN53015 lbs0 lbs15 lbs
24Lead7439-92-16 lbs0 lbs6 lbs
25Nonylphenol EthoxylatesN5353 lbs0 lbs3 lbs
📋
Top chemicals released near this property (2024 only):
Toluene, Cyclohexane, Xylene (mixed isomers), Nickel And Nickel Compounds, Nitric acid
View the full list of 18 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(18 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Toluene108-88-31,901 lbs0 lbs1,901 lbs
2Cyclohexane110-82-71,469 lbs0 lbs1,469 lbs
3Xylene (mixed isomers)1330-20-7594 lbs0 lbs594 lbs
4Nickel And Nickel CompoundsN495500 lbs5 lbs505 lbs
5Nitric acid7697-37-2500 lbs0 lbs500 lbs
6n-Hexane110-54-3482 lbs0 lbs482 lbs
7Copper7440-50-8264 lbs0 lbs264 lbs
8Certain glycol ethersN230163 lbs0 lbs163 lbs
9Ethylbenzene100-41-4135 lbs0 lbs135 lbs
10n-Butyl alcohol71-36-326 lbs0 lbs26 lbs
11Nickel7440-02-022 lbs0 lbs22 lbs
12Styrene100-42-515 lbs0 lbs15 lbs
13Chromium7440-47-314 lbs0 lbs14 lbs
141,2,4-Trimethylbenzene95-63-613 lbs0 lbs13 lbs
15Manganese7439-96-57 lbs0 lbs7 lbs
16Polycyclic aromatic compoundsN5906 lbs0 lbs6 lbs
17Lead7439-92-11 lbs0 lbs1 lbs
18Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs1 lbs1 lbs
Loading property data...
🏘️Explore More Properties