Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 10913 N P St, La Porte, TX 77571

HCAD #1176580010011
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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
10913 N P St, La Porte, TX 77571
Building Size
2,812sqft
Total structure area from HCAD building records.
Elevation
24.66 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)
34.50 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
228.4 acres
77.5% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$165,722
Based on HCAD building value of $254,958.
Depth-Damage (Neighborhood)
$156,587
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
10.0th percentile
Property Pollution Ranking
Very High
Higher pollution than 90% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
8.14 millionlbs
Extremely High
1247.2x more than typical Houston property
≈ 407 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
6.48 millionlbs
Extremely High
1344.3x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
1.65 millionlbs
Extremely 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)8,137,016 lbs6,482,650 lbs1,654,366 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)1,031,726 lbs497,933 lbs66,615 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 90% 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, Vinyl acetate, Ethylene, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Propylene
View the full list of 42 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(42 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Methanol67-56-11,639,394 lbs648,774 lbs9,953,093 lbs
2Vinyl acetate108-05-41,379,623 lbs5,684 lbs4,084,849 lbs
3Ethylene74-85-11,516,145 lbs0 lbs1,516,145 lbs
4Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs959,382 lbs959,382 lbs
5Propylene115-07-1933,729 lbs0 lbs933,729 lbs
6Acetaldehyde75-07-0215,200 lbs0 lbs550,235 lbs
7Hydroquinone123-31-90 lbs0 lbs430,145 lbs
8n-Hexane110-54-3361,016 lbs0 lbs361,016 lbs
9Ammonia7664-41-7115,714 lbs10,754 lbs126,468 lbs
10Certain glycol ethersN23062,831 lbs0 lbs62,831 lbs
11Xylene (mixed isomers)1330-20-743,900 lbs0 lbs58,245 lbs
12Toluene108-88-345,013 lbs3 lbs45,016 lbs
13Methyl iodide74-88-437,993 lbs0 lbs37,993 lbs
14Formaldehyde50-00-036,646 lbs0 lbs36,646 lbs
15Sodium nitrite7632-00-00 lbs26,012 lbs26,012 lbs
16Chlorine7782-50-522,258 lbs1,928 lbs24,186 lbs
17Ethylene glycol107-21-116,751 lbs0 lbs16,751 lbs
18Boron trifluoride7637-07-214,190 lbs0 lbs14,190 lbs
19Dimethylamine124-40-37,035 lbs0 lbs7,035 lbs
20Zinc compoundsN9824,689 lbs1,141 lbs5,830 lbs
21Maleic anhydride108-31-65,569 lbs0 lbs5,569 lbs
22Methyl methacrylate80-62-65,482 lbs0 lbs5,482 lbs
23Dichloromethane75-09-25,437 lbs0 lbs5,437 lbs
24Acetonitrile75-05-85,326 lbs0 lbs5,326 lbs
25Mercury7439-97-60 lbs0 lbs2,200 lbs
26Methyl acrylate96-33-32,031 lbs0 lbs2,031 lbs
27Di(2-ethylhexyl) phthalate117-81-72,020 lbs0 lbs2,020 lbs
28Aluminum oxide (fibrous forms)1344-28-11,750 lbs0 lbs1,750 lbs
29Hydrogen fluoride7664-39-31,062 lbs0 lbs1,062 lbs
30Acrolein107-02-8810 lbs0 lbs810 lbs
31Ethylbenzene100-41-4316 lbs3 lbs319 lbs
32Manganese7439-96-50 lbs282 lbs282 lbs
33Naphthalene91-20-3245 lbs8 lbs253 lbs
341,3-Butadiene106-99-0242 lbs0 lbs242 lbs
35Hexazinone51235-04-20 lbs212 lbs212 lbs
36Nickel7440-02-00 lbs152 lbs152 lbs
37n-Butyl alcohol71-36-387 lbs0 lbs87 lbs
38Chromium7440-47-345 lbs25 lbs70 lbs
39sec-Butyl alcohol78-92-268 lbs0 lbs68 lbs
40Benzene71-43-231 lbs5 lbs36 lbs
41Lead7439-92-10 lbs1 lbs1 lbs
42Methyl isocyanate624-83-91 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Methanol, Ethylene, Vinyl acetate, Acetaldehyde, Propylene
View the full list of 29 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(29 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Methanol67-56-172,331 lbs64,000 lbs513,042 lbs
2Ethylene74-85-1146,385 lbs0 lbs146,385 lbs
3Vinyl acetate108-05-485,022 lbs410 lbs114,505 lbs
4Acetaldehyde75-07-056,670 lbs0 lbs89,245 lbs
5Propylene115-07-188,554 lbs0 lbs88,554 lbs
6Hydroquinone123-31-90 lbs0 lbs28,819 lbs
7n-Hexane110-54-324,235 lbs0 lbs24,235 lbs
8Ammonia7664-41-79,091 lbs37 lbs9,128 lbs
9Formaldehyde50-00-03,559 lbs0 lbs3,559 lbs
10Certain glycol ethersN2302,700 lbs0 lbs2,700 lbs
11Chlorine7782-50-52,260 lbs0 lbs2,260 lbs
12Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs2,100 lbs2,100 lbs
13Methyl iodide74-88-41,600 lbs0 lbs1,600 lbs
14Maleic anhydride108-31-61,569 lbs0 lbs1,569 lbs
15Boron trifluoride7637-07-21,192 lbs0 lbs1,192 lbs
16Xylene (mixed isomers)1330-20-71,144 lbs0 lbs1,144 lbs
17Zinc compoundsN982425 lbs60 lbs485 lbs
18Ethylbenzene100-41-4316 lbs0 lbs316 lbs
19Naphthalene91-20-3245 lbs6 lbs251 lbs
20Aluminum oxide (fibrous forms)1344-28-1250 lbs0 lbs250 lbs
21Acrolein107-02-8209 lbs0 lbs209 lbs
22Methyl methacrylate80-62-6142 lbs0 lbs142 lbs
231,3-Butadiene106-99-08 lbs0 lbs8 lbs
24Toluene108-88-37 lbs1 lbs8 lbs
25n-Butyl alcohol71-36-37 lbs0 lbs7 lbs
26sec-Butyl alcohol78-92-25 lbs0 lbs5 lbs
27Benzene71-43-25 lbs1 lbs5 lbs
28Ethylene glycol107-21-11 lbs0 lbs1 lbs
29Lead7439-92-10 lbs1 lbs1 lbs
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