Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 705 S 8th St, La Porte, TX 77571

HCAD #0232370400003
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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
705 S 8th St, La Porte, TX 77571
Elevation
16.04 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)
25.88 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.2 acres
99.8% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$58,721
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 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
15.5th percentile
Property Pollution Ranking
High
Higher pollution than 85% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
2.05 millionlbs
Extremely High
314.6x more than typical Houston property
≈ 103 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
2.05 millionlbs
Extremely High
425.7x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
54lbs
Above Typical
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)2,052,688 lbs2,052,635 lbs54 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)244,478 lbs244,478 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 85% 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):
n-Hexane, Ethylene, Methanol, Ammonia, Hydroquinone
View the full list of 48 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(48 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1n-Hexane110-54-31,028,988 lbs0 lbs1,028,988 lbs
2Ethylene74-85-1420,145 lbs0 lbs420,145 lbs
3Methanol67-56-1179,178 lbs0 lbs179,178 lbs
4Ammonia7664-41-7105,663 lbs0 lbs105,663 lbs
5Hydroquinone123-31-942,495 lbs0 lbs42,495 lbs
6Propylene115-07-136,801 lbs0 lbs36,801 lbs
7Methyl isobutyl ketone108-10-136,313 lbs0 lbs36,313 lbs
8Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-033,058 lbs0 lbs33,058 lbs
9Cumene98-82-831,096 lbs0 lbs31,096 lbs
10Vinyl acetate108-05-422,306 lbs0 lbs22,306 lbs
11Propylene oxide75-56-916,752 lbs0 lbs16,752 lbs
12Xylene (mixed isomers)1330-20-716,006 lbs0 lbs16,006 lbs
13Acetaldehyde75-07-012,256 lbs0 lbs12,256 lbs
14Benzene71-43-210,536 lbs0 lbs10,536 lbs
15Chlorine7782-50-510,430 lbs0 lbs10,430 lbs
16Styrene100-42-58,897 lbs0 lbs8,897 lbs
17Toluene108-88-34,300 lbs0 lbs4,300 lbs
18Chloroacetic acid79-11-84,175 lbs0 lbs4,175 lbs
19Acrylic acid79-10-73,532 lbs0 lbs3,532 lbs
20Chlorobenzene108-90-73,127 lbs0 lbs3,127 lbs
21Methyl methacrylate80-62-63,050 lbs0 lbs3,050 lbs
221,2-Butylene oxide106-88-72,348 lbs0 lbs2,348 lbs
23Phosgene75-44-51,958 lbs0 lbs1,958 lbs
24Allyl alcohol107-18-61,820 lbs0 lbs1,820 lbs
25Acetonitrile75-05-81,765 lbs0 lbs1,765 lbs
26Methyl tert-butyl ether1634-04-41,591 lbs0 lbs1,591 lbs
27Triethylamine121-44-81,515 lbs0 lbs1,515 lbs
28Ethyl chloroformate541-41-31,467 lbs0 lbs1,467 lbs
29Methyl chlorocarbonate79-22-11,449 lbs0 lbs1,449 lbs
30sec-Butyl alcohol78-92-21,434 lbs0 lbs1,434 lbs
31Ethylene oxide75-21-81,431 lbs0 lbs1,431 lbs
32tert-Butyl alcohol75-65-01,254 lbs0 lbs1,254 lbs
33n-Butyl alcohol71-36-31,211 lbs0 lbs1,211 lbs
34Dicyclopentadiene77-73-61,178 lbs0 lbs1,178 lbs
35Diphenylamine122-39-4997 lbs0 lbs997 lbs
36Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9597 lbs0 lbs597 lbs
37N,N-Dimethylformamide68-12-2535 lbs0 lbs535 lbs
38Manganese7439-96-5511 lbs0 lbs511 lbs
39Dichloromethane75-09-2251 lbs0 lbs251 lbs
40Zinc compoundsN98235 lbs33 lbs68 lbs
41Ethylene glycol107-21-154 lbs0 lbs54 lbs
42Chromium7440-47-345 lbs0 lbs45 lbs
43Cyclohexane110-82-741 lbs0 lbs41 lbs
44Antimony compoundsN01020 lbs15 lbs35 lbs
45Phthalic anhydride85-44-913 lbs0 lbs13 lbs
46Antimony And Antimony CompoundsN0105 lbs5 lbs10 lbs
47Butyl acrylate141-32-25 lbs0 lbs5 lbs
48Nickel compoundsN4950 lbs1 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
n-Hexane, Ethylene, Methanol, Propylene, Ammonia
View the full list of 33 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(33 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1n-Hexane110-54-3116,901 lbs0 lbs116,901 lbs
2Ethylene74-85-172,000 lbs0 lbs72,000 lbs
3Methanol67-56-110,953 lbs0 lbs10,953 lbs
4Propylene115-07-110,035 lbs0 lbs10,035 lbs
5Ammonia7664-41-78,690 lbs0 lbs8,690 lbs
6Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-06,255 lbs0 lbs6,255 lbs
7Hydroquinone123-31-94,862 lbs0 lbs4,862 lbs
8Methyl isobutyl ketone108-10-13,997 lbs0 lbs3,997 lbs
9Cumene98-82-82,611 lbs0 lbs2,611 lbs
10Vinyl acetate108-05-42,418 lbs0 lbs2,418 lbs
11Benzene71-43-21,090 lbs0 lbs1,090 lbs
12Chlorine7782-50-5961 lbs0 lbs961 lbs
13Acetaldehyde75-07-0494 lbs0 lbs494 lbs
14Chloroacetic acid79-11-8476 lbs0 lbs476 lbs
15Propylene oxide75-56-9430 lbs0 lbs430 lbs
16Ethylene oxide75-21-8420 lbs0 lbs420 lbs
17Methyl methacrylate80-62-6387 lbs0 lbs387 lbs
18Styrene100-42-5272 lbs0 lbs272 lbs
19Toluene108-88-3196 lbs0 lbs196 lbs
20Acrylic acid79-10-7186 lbs0 lbs186 lbs
21Ethyl chloroformate541-41-3120 lbs0 lbs120 lbs
22Diphenylamine122-39-4103 lbs0 lbs103 lbs
23Dicyclopentadiene77-73-697 lbs0 lbs97 lbs
24Allyl alcohol107-18-696 lbs0 lbs96 lbs
25sec-Butyl alcohol78-92-293 lbs0 lbs93 lbs
26Xylene (mixed isomers)1330-20-788 lbs0 lbs88 lbs
27n-Butyl alcohol71-36-385 lbs0 lbs85 lbs
281,2-Butylene oxide106-88-752 lbs0 lbs52 lbs
29Cyclohexane110-82-741 lbs0 lbs41 lbs
30Phosgene75-44-527 lbs0 lbs27 lbs
31tert-Butyl alcohol75-65-026 lbs0 lbs26 lbs
32Methyl chlorocarbonate79-22-113 lbs0 lbs13 lbs
33Ethylene glycol107-21-13 lbs0 lbs3 lbs
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