Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 11222 N H St, La Porte, TX 77571

HCAD #0231410000682
🧭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
11222 N H St, La Porte, TX 77571
Building Size
5,789sqft
Total structure area from HCAD building records.
Elevation
22.53 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)
32.37 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.9 acres
100.0% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$339,604
Based on HCAD building value of $522,469.
Depth-Damage (Neighborhood)
$298,017
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
16.0th percentile
Property Pollution Ranking
High
Higher pollution than 84% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
1.82 millionlbs
Extremely High
279.5x more than typical Houston property
≈ 91 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
1.82 millionlbs
Extremely High
378.2x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
170lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
15
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)1,823,842 lbs1,823,672 lbs170 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)233,343 lbs233,343 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 84% 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, Xylene (mixed isomers), Hydroquinone, Methanol
View the full list of 39 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(39 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1n-Hexane110-54-31,013,131 lbs0 lbs1,013,131 lbs
2Ethylene74-85-1404,288 lbs0 lbs404,288 lbs
3Xylene (mixed isomers)1330-20-754,400 lbs0 lbs54,400 lbs
4Hydroquinone123-31-942,495 lbs0 lbs42,495 lbs
5Methanol67-56-141,849 lbs0 lbs41,849 lbs
6Propylene115-07-141,301 lbs0 lbs41,301 lbs
7Formaldehyde50-00-036,691 lbs102 lbs36,794 lbs
8Methyl isobutyl ketone108-10-136,313 lbs0 lbs36,313 lbs
9Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-033,058 lbs0 lbs33,058 lbs
10Cumene98-82-831,165 lbs0 lbs31,165 lbs
11Ammonia7664-41-718,956 lbs68 lbs19,024 lbs
12Ethylene glycol107-21-116,752 lbs0 lbs16,752 lbs
13Chlorine7782-50-511,230 lbs0 lbs11,230 lbs
14Benzene71-43-210,536 lbs0 lbs10,536 lbs
15Styrene100-42-57,344 lbs0 lbs7,344 lbs
16Maleic anhydride108-31-65,570 lbs0 lbs5,570 lbs
17Chloroacetic acid79-11-84,175 lbs0 lbs4,175 lbs
18Mercury7439-97-60 lbs0 lbs2,200 lbs
19Phosgene75-44-51,958 lbs0 lbs1,958 lbs
20Aluminum oxide (fibrous forms)1344-28-11,750 lbs0 lbs1,750 lbs
21Ethyl chloroformate541-41-31,467 lbs0 lbs1,467 lbs
22Methyl chlorocarbonate79-22-11,449 lbs0 lbs1,449 lbs
23sec-Butyl alcohol78-92-21,434 lbs0 lbs1,434 lbs
24n-Butyl alcohol71-36-31,165 lbs0 lbs1,165 lbs
25Diphenylamine122-39-4997 lbs0 lbs997 lbs
261,2,4-Trimethylbenzene95-63-6971 lbs0 lbs971 lbs
27Toluene108-88-3807 lbs0 lbs807 lbs
28Ethylene oxide75-21-8791 lbs0 lbs791 lbs
29Manganese7439-96-5511 lbs0 lbs511 lbs
30Cyclohexane110-82-7377 lbs0 lbs377 lbs
31Ethylbenzene100-41-4310 lbs0 lbs310 lbs
32Naphthalene91-20-3278 lbs0 lbs278 lbs
33Chloromethane74-87-351 lbs0 lbs51 lbs
34Chromium7440-47-345 lbs0 lbs45 lbs
35N,N-Dimethylformamide68-12-234 lbs0 lbs34 lbs
36Propylene oxide75-56-914 lbs0 lbs14 lbs
37Bis(2-chloroethyl) ether111-44-43 lbs0 lbs3 lbs
38Certain glycol ethersN2303 lbs0 lbs3 lbs
39Methyl methacrylate80-62-62 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
n-Hexane, Ethylene, Propylene, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Methanol
View the full list of 31 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(31 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1n-Hexane110-54-3116,540 lbs0 lbs116,540 lbs
2Ethylene74-85-171,971 lbs0 lbs71,971 lbs
3Propylene115-07-110,535 lbs0 lbs10,535 lbs
4Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-06,255 lbs0 lbs6,255 lbs
5Methanol67-56-15,229 lbs0 lbs5,229 lbs
6Hydroquinone123-31-94,862 lbs0 lbs4,862 lbs
7Methyl isobutyl ketone108-10-13,997 lbs0 lbs3,997 lbs
8Formaldehyde50-00-03,562 lbs0 lbs3,562 lbs
9Cumene98-82-82,616 lbs0 lbs2,616 lbs
10Maleic anhydride108-31-61,569 lbs0 lbs1,569 lbs
11Xylene (mixed isomers)1330-20-71,183 lbs0 lbs1,183 lbs
12Chlorine7782-50-51,121 lbs0 lbs1,121 lbs
13Benzene71-43-21,090 lbs0 lbs1,090 lbs
14Ammonia7664-41-7897 lbs0 lbs897 lbs
15Chloroacetic acid79-11-8476 lbs0 lbs476 lbs
16Aluminum oxide (fibrous forms)1344-28-1250 lbs0 lbs250 lbs
17Naphthalene91-20-3245 lbs0 lbs245 lbs
18Ethylbenzene100-41-4220 lbs0 lbs220 lbs
19Ethyl chloroformate541-41-3120 lbs0 lbs120 lbs
20Styrene100-42-5116 lbs0 lbs116 lbs
21Diphenylamine122-39-4103 lbs0 lbs103 lbs
22sec-Butyl alcohol78-92-293 lbs0 lbs93 lbs
23n-Butyl alcohol71-36-375 lbs0 lbs75 lbs
241,2,4-Trimethylbenzene95-63-674 lbs0 lbs74 lbs
25Ethylene oxide75-21-863 lbs0 lbs63 lbs
26Phosgene75-44-527 lbs0 lbs27 lbs
27Cyclohexane110-82-724 lbs0 lbs24 lbs
28Toluene108-88-316 lbs0 lbs16 lbs
29Methyl chlorocarbonate79-22-113 lbs0 lbs13 lbs
30Propylene oxide75-56-91 lbs0 lbs1 lbs
31Ethylene glycol107-21-11 lbs0 lbs1 lbs
Loading property data...
🏘️Explore More Properties