Complete Property Analysis

Environmental risk, tax analysis, and property details for 706 N 12th St, La Porte, TX 77571

HCAD #0833690000011
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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
706 N 12th St, La Porte, TX 77571
Building Size
1,724sqft
Total structure area from HCAD building records.
Elevation
19.37 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)
29.21 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
274.4 acres
93.1% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$49,063
Based on HCAD building value of $75,483.
Depth-Damage (Neighborhood)
$54,718
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
14.4th 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)
2.75 millionlbs
Extremely High
421.7x more than typical Houston property
138 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
1.81 millionlbs
Extremely High
375.3x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
942 thousandlbs
Extremely 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)2,751,335 lbs1,809,677 lbs941,658 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)105,033 lbs105,033 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, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
View the full list of 43 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(43 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Methanol67-56-1825,965 lbs0 lbs1,084,965 lbs
2Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs911,682 lbs911,682 lbs
3Ethylene74-85-1339,669 lbs0 lbs339,669 lbs
4Vinyl acetate108-05-4119,429 lbs0 lbs257,039 lbs
5Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9216,585 lbs0 lbs216,585 lbs
6Formaldehyde50-00-063,808 lbs0 lbs63,808 lbs
7n-Butyl alcohol71-36-349,206 lbs0 lbs49,206 lbs
8Toluene108-88-346,261 lbs0 lbs46,261 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
10Copper compoundsN1001 lbs84 lbs29,084 lbs
11Sodium nitrite7632-00-00 lbs26,012 lbs26,012 lbs
12Xylene (mixed isomers)1330-20-711,137 lbs0 lbs25,482 lbs
13Hydrogen fluoride7664-39-319,001 lbs0 lbs19,001 lbs
14n-Hexane110-54-316,824 lbs0 lbs16,824 lbs
15Hydroquinone123-31-90 lbs0 lbs14,940 lbs
16Propylene115-07-113,154 lbs0 lbs13,154 lbs
17Chlorine7782-50-511,961 lbs0 lbs11,961 lbs
18Acetaldehyde75-07-03,797 lbs0 lbs10,027 lbs
19Acetonitrile75-05-87,091 lbs0 lbs7,091 lbs
20Dimethylamine124-40-37,035 lbs0 lbs7,035 lbs
21Dichloromethane75-09-25,688 lbs0 lbs5,688 lbs
22Chloroacetic acid79-11-84,175 lbs0 lbs4,175 lbs
23Ammonia7664-41-70 lbs3,199 lbs3,199 lbs
24Chlorobenzene108-90-73,127 lbs0 lbs3,127 lbs
25Mercury7439-97-60 lbs0 lbs2,200 lbs
26Phosgene75-44-51,958 lbs0 lbs1,958 lbs
27Aluminum oxide (fibrous forms)1344-28-11,750 lbs0 lbs1,750 lbs
28Methyl tert-butyl ether1634-04-41,591 lbs0 lbs1,591 lbs
29Triethylamine121-44-81,515 lbs0 lbs1,515 lbs
30Ethyl chloroformate541-41-31,467 lbs0 lbs1,467 lbs
31Methyl chlorocarbonate79-22-11,449 lbs0 lbs1,449 lbs
32sec-Butyl alcohol78-92-21,434 lbs0 lbs1,434 lbs
33Manganese7439-96-5511 lbs282 lbs793 lbs
34N,N-Dimethylformamide68-12-2535 lbs0 lbs535 lbs
35Methyl methacrylate80-62-6385 lbs0 lbs385 lbs
36Hexazinone51235-04-20 lbs212 lbs212 lbs
37Nickel7440-02-00 lbs152 lbs152 lbs
38Chromium7440-47-345 lbs25 lbs70 lbs
39Methyl acrylate96-33-355 lbs0 lbs55 lbs
40Nickel compoundsN4954 lbs3 lbs8 lbs
41Copper And Copper CompoundsN1000 lbs6 lbs6 lbs
42Nickel And Nickel CompoundsN4952 lbs1 lbs3 lbs
43Methyl isocyanate624-83-91 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Methanol, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ethylene, Vinyl acetate, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
View the full list of 17 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(17 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Methanol67-56-144,860 lbs0 lbs44,860 lbs
2Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-929,545 lbs0 lbs29,545 lbs
3Ethylene74-85-19,510 lbs0 lbs9,510 lbs
4Vinyl acetate108-05-46,880 lbs0 lbs6,880 lbs
5Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-06,255 lbs0 lbs6,255 lbs
6Formaldehyde50-00-03,559 lbs0 lbs3,559 lbs
7Hydrogen fluoride7664-39-31,738 lbs0 lbs1,738 lbs
8Chlorine7782-50-51,121 lbs0 lbs1,121 lbs
9Propylene115-07-1500 lbs0 lbs500 lbs
10Chloroacetic acid79-11-8476 lbs0 lbs476 lbs
11Aluminum oxide (fibrous forms)1344-28-1250 lbs0 lbs250 lbs
12Ethyl chloroformate541-41-3120 lbs0 lbs120 lbs
13sec-Butyl alcohol78-92-293 lbs0 lbs93 lbs
14n-Butyl alcohol71-36-375 lbs0 lbs75 lbs
15Phosgene75-44-527 lbs0 lbs27 lbs
16Methyl chlorocarbonate79-22-113 lbs0 lbs13 lbs
17Acetaldehyde75-07-010 lbs0 lbs10 lbs
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