Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 802 Robinson Rd, La Porte, TX 77571

HCAD #0800270000395
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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
802 Robinson Rd, La Porte, TX 77571
Building Size
898sqft
Total structure area from HCAD building records.
Elevation
26.73 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)
36.57 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
190.2 acres
64.5% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$3,797
Based on HCAD building value of $5,842.
Depth-Damage (Neighborhood)
$53,367
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
7.6th percentile
Property Pollution Ranking
Very High
Higher pollution than 92% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
14.55 millionlbs
Extremely High
2230.6x more than typical Houston property
≈ 728 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
6.79 millionlbs
Extremely High
1407.4x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
7.77 millionlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
24
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)14,553,282 lbs6,787,148 lbs7,766,133 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)1,174,747 lbs502,363 lbs672,384 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 92% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 0-9th percentile (top 10% most polluted).
📋
Top chemicals released near this property (past 10 years):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ethylene, Methanol, Vinyl acetate, Propylene
View the full list of 56 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(56 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs7,046,578 lbs7,046,578 lbs
2Ethylene74-85-12,254,316 lbs0 lbs2,254,316 lbs
3Methanol67-56-11,008,485 lbs653,326 lbs1,920,811 lbs
4Vinyl acetate108-05-41,175,529 lbs5,684 lbs1,318,823 lbs
5Propylene115-07-11,094,429 lbs0 lbs1,094,429 lbs
6n-Hexane110-54-3511,036 lbs0 lbs511,036 lbs
7Ammonia7664-41-7239,837 lbs12,191 lbs252,028 lbs
8Certain glycol ethersN23063,696 lbs0 lbs63,696 lbs
9Xylene (mixed isomers)1330-20-743,900 lbs0 lbs58,245 lbs
10Toluene108-88-354,250 lbs33 lbs54,282 lbs
111,3-Butadiene106-99-050,362 lbs0 lbs50,362 lbs
12Methyl iodide74-88-437,993 lbs0 lbs37,993 lbs
13Chlorine7782-50-534,156 lbs3,421 lbs37,577 lbs
14Acetaldehyde75-07-030,448 lbs0 lbs36,678 lbs
15Formaldehyde50-00-036,646 lbs0 lbs36,646 lbs
16Sodium nitrite7632-00-00 lbs26,012 lbs26,012 lbs
17Zinc compoundsN9826,213 lbs18,100 lbs24,313 lbs
18Benzene71-43-219,821 lbs42 lbs19,863 lbs
19Ethylene glycol107-21-116,751 lbs0 lbs16,751 lbs
20Chlorobenzene108-90-716,036 lbs0 lbs16,036 lbs
21Hydroquinone123-31-90 lbs0 lbs14,940 lbs
22Cyclohexane110-82-714,194 lbs0 lbs14,194 lbs
23Boron trifluoride7637-07-214,190 lbs0 lbs14,190 lbs
24Chloroethane75-00-313,375 lbs0 lbs13,375 lbs
25N,N-Dimethylformamide68-12-29,020 lbs0 lbs9,020 lbs
26Dimethylamine124-40-37,035 lbs0 lbs7,035 lbs
27Isoprene78-79-55,909 lbs0 lbs5,909 lbs
28Maleic anhydride108-31-65,569 lbs0 lbs5,569 lbs
29Dichloromethane75-09-25,437 lbs0 lbs5,437 lbs
30Acetonitrile75-05-85,326 lbs0 lbs5,326 lbs
31DiisocyanatesN1204,276 lbs0 lbs4,276 lbs
32Mercury7439-97-60 lbs0 lbs2,200 lbs
33Di(2-ethylhexyl) phthalate117-81-72,020 lbs0 lbs2,020 lbs
34Aluminum oxide (fibrous forms)1344-28-11,750 lbs0 lbs1,750 lbs
35Styrene100-42-51,209 lbs0 lbs1,209 lbs
36Hydrogen fluoride7664-39-31,062 lbs0 lbs1,062 lbs
37Naphthalene91-20-3493 lbs33 lbs526 lbs
38Aluminum (fume or dust)7429-90-5462 lbs0 lbs462 lbs
39Ethylbenzene100-41-4391 lbs32 lbs423 lbs
40Methyl methacrylate80-62-6385 lbs0 lbs385 lbs
41Chloromethane74-87-3326 lbs0 lbs326 lbs
42Dicyclopentadiene77-73-6290 lbs0 lbs290 lbs
43Manganese7439-96-50 lbs282 lbs282 lbs
44Nitric acid7697-37-2260 lbs0 lbs260 lbs
45Hexazinone51235-04-20 lbs212 lbs212 lbs
46Nickel7440-02-00 lbs152 lbs152 lbs
47n-Butyl alcohol71-36-387 lbs0 lbs87 lbs
48Chromium7440-47-345 lbs25 lbs70 lbs
49sec-Butyl alcohol78-92-268 lbs0 lbs68 lbs
50Methyl acrylate96-33-355 lbs0 lbs55 lbs
51Lead7439-92-10 lbs10 lbs10 lbs
52Polycyclic aromatic compoundsN5907 lbs0 lbs7 lbs
53Mercury compoundsN4582 lbs0 lbs2 lbs
54Benzo[g,h,i]perylene191-24-20 lbs1 lbs1 lbs
55Methyl isocyanate624-83-91 lbs0 lbs1 lbs
56Mercury And Mercury CompoundsN4581 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ethylene, Methanol, Propylene, Vinyl acetate
View the full list of 37 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(37 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs607,579 lbs607,579 lbs
2Ethylene74-85-1143,550 lbs0 lbs143,550 lbs
3Methanol67-56-170,251 lbs64,010 lbs134,261 lbs
4Propylene115-07-197,954 lbs0 lbs97,954 lbs
5Vinyl acetate108-05-488,580 lbs410 lbs88,990 lbs
6n-Hexane110-54-342,070 lbs0 lbs42,070 lbs
7Ammonia7664-41-729,391 lbs121 lbs29,512 lbs
8Chlorine7782-50-53,660 lbs0 lbs3,660 lbs
9Formaldehyde50-00-03,559 lbs0 lbs3,559 lbs
10Certain glycol ethersN2303,026 lbs0 lbs3,026 lbs
111,3-Butadiene106-99-02,958 lbs0 lbs2,958 lbs
12Toluene108-88-31,859 lbs3 lbs1,862 lbs
13DiisocyanatesN1201,843 lbs0 lbs1,843 lbs
14Benzene71-43-21,725 lbs3 lbs1,728 lbs
15Cyclohexane110-82-71,726 lbs0 lbs1,726 lbs
16Methyl iodide74-88-41,600 lbs0 lbs1,600 lbs
17Maleic anhydride108-31-61,569 lbs0 lbs1,569 lbs
18Chloroethane75-00-31,429 lbs0 lbs1,429 lbs
19Boron trifluoride7637-07-21,192 lbs0 lbs1,192 lbs
20Xylene (mixed isomers)1330-20-71,144 lbs0 lbs1,144 lbs
21Zinc compoundsN982426 lbs233 lbs659 lbs
22Acetaldehyde75-07-0590 lbs0 lbs590 lbs
23Isoprene78-79-5578 lbs0 lbs578 lbs
24N,N-Dimethylformamide68-12-2570 lbs0 lbs570 lbs
25Ethylbenzene100-41-4358 lbs2 lbs360 lbs
26Naphthalene91-20-3270 lbs18 lbs288 lbs
27Aluminum oxide (fibrous forms)1344-28-1250 lbs0 lbs250 lbs
28Styrene100-42-5141 lbs0 lbs141 lbs
29Dicyclopentadiene77-73-630 lbs0 lbs30 lbs
30Aluminum (fume or dust)7429-90-526 lbs0 lbs26 lbs
31Nitric acid7697-37-220 lbs0 lbs20 lbs
32n-Butyl alcohol71-36-37 lbs0 lbs7 lbs
33Lead7439-92-10 lbs5 lbs5 lbs
34sec-Butyl alcohol78-92-25 lbs0 lbs5 lbs
35Polycyclic aromatic compoundsN5903 lbs0 lbs3 lbs
36Ethylene glycol107-21-11 lbs0 lbs1 lbs
37Mercury And Mercury CompoundsN4581 lbs0 lbs1 lbs
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