Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 901 E Pasadena Fwy, Pasadena, TX 77506

HCAD #0730150000001
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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
901 E Pasadena Fwy, Pasadena, TX 77506
Elevation
21.85 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)
31.69 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
286.9 acres
97.3% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$22,031
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
11.0th percentile
Property Pollution Ranking
High
Higher pollution than 89% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
6.54 millionlbs
Extremely High
1002.9x more than typical Houston property
≈ 327 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
6.51 millionlbs
Extremely High
1349.3x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
36 thousandlbs
Extremely High
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)6,543,190 lbs6,506,731 lbs36,460 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)425,026 lbs424,373 lbs169 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 89% 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, Hydrogen cyanide, Ammonia, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Propylene
View the full list of 49 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(49 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1n-Hexane110-54-31,096,277 lbs170 lbs1,096,867 lbs
2Hydrogen cyanide74-90-81,032,286 lbs0 lbs1,032,286 lbs
3Ammonia7664-41-7848,961 lbs33,581 lbs882,542 lbs
4Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9528,487 lbs0 lbs528,487 lbs
5Propylene115-07-1465,601 lbs0 lbs465,601 lbs
6Xylene (mixed isomers)1330-20-7447,497 lbs756 lbs450,622 lbs
7Methanol67-56-1329,619 lbs0 lbs329,619 lbs
8Toluene108-88-3315,863 lbs218 lbs316,971 lbs
9Benzene71-43-2290,012 lbs138 lbs290,716 lbs
10Ethylene74-85-1246,254 lbs0 lbs246,254 lbs
11Hydrogen sulfide7783-06-4244,215 lbs0 lbs244,216 lbs
12n-Butyl alcohol71-36-3137,606 lbs0 lbs137,606 lbs
13Diethanolamine111-42-2102,160 lbs0 lbs102,160 lbs
14Vinyl acetate108-05-470,754 lbs0 lbs70,754 lbs
15Cyclohexane110-82-767,575 lbs0 lbs68,344 lbs
16Ethylbenzene100-41-465,915 lbs65 lbs66,582 lbs
171,3-Butadiene106-99-046,303 lbs0 lbs46,304 lbs
181,2,4-Trimethylbenzene95-63-632,990 lbs105 lbs33,516 lbs
19Propionaldehyde123-38-631,241 lbs0 lbs31,241 lbs
20Butyraldehyde123-72-822,150 lbs0 lbs22,150 lbs
21Naphthalene91-20-320,385 lbs24 lbs21,740 lbs
22Dicyclopentadiene77-73-614,013 lbs0 lbs14,013 lbs
23Cumene98-82-89,122 lbs10 lbs9,317 lbs
24Dimethylamine124-40-36,912 lbs0 lbs6,912 lbs
25Acetaldehyde75-07-06,116 lbs0 lbs6,116 lbs
26Ethylene glycol107-21-15,553 lbs0 lbs5,562 lbs
27Biphenyl92-52-45,161 lbs0 lbs5,502 lbs
28Isobutyraldehyde78-84-24,080 lbs0 lbs4,080 lbs
29Polycyclic aromatic compoundsN5902,886 lbs117 lbs3,204 lbs
30Formaldehyde50-00-02,284 lbs0 lbs2,284 lbs
31Acrylonitrile107-13-12,224 lbs0 lbs2,224 lbs
32Phenol108-95-2815 lbs1,155 lbs1,970 lbs
33Propylene oxide75-56-91,829 lbs0 lbs1,829 lbs
34Formic acid64-18-61,406 lbs0 lbs1,406 lbs
35Styrene100-42-51,198 lbs0 lbs1,198 lbs
36Hydrogen fluoride7664-39-3229 lbs0 lbs299 lbs
37Chlorine7782-50-5273 lbs0 lbs273 lbs
38Nickel7440-02-0120 lbs0 lbs120 lbs
39Mercury7439-97-6106 lbs0 lbs106 lbs
40Certain glycol ethersN23092 lbs0 lbs92 lbs
41Manganese7439-96-570 lbs0 lbs70 lbs
42Zinc compoundsN9820 lbs65 lbs65 lbs
43C.I. Food Red 1581-88-940 lbs0 lbs40 lbs
44Chromium7440-47-340 lbs0 lbs40 lbs
45Lead And Lead CompoundsN4203 lbs22 lbs25 lbs
46Lead compoundsN4202 lbs22 lbs23 lbs
47Benzo[g,h,i]perylene191-24-23 lbs7 lbs11 lbs
48Methyl tert-butyl ether1634-04-42 lbs5 lbs10 lbs
49Mercury And Mercury CompoundsN4581 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ammonia, Hydrogen cyanide, n-Hexane, Ethylene, Xylene (mixed isomers)
View the full list of 39 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(39 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ammonia7664-41-791,475 lbs93 lbs91,568 lbs
2Hydrogen cyanide74-90-873,728 lbs0 lbs73,728 lbs
3n-Hexane110-54-344,565 lbs0 lbs44,598 lbs
4Ethylene74-85-140,046 lbs0 lbs40,046 lbs
5Xylene (mixed isomers)1330-20-738,110 lbs25 lbs38,347 lbs
6Toluene108-88-323,954 lbs5 lbs23,977 lbs
7Benzene71-43-219,916 lbs4 lbs19,933 lbs
8Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-917,341 lbs0 lbs17,341 lbs
9Methanol67-56-115,730 lbs0 lbs15,730 lbs
10Hydrogen sulfide7783-06-414,345 lbs0 lbs14,345 lbs
11Propylene115-07-110,544 lbs0 lbs10,544 lbs
12Diethanolamine111-42-210,092 lbs0 lbs10,092 lbs
13Vinyl acetate108-05-45,850 lbs0 lbs5,850 lbs
14Ethylbenzene100-41-44,409 lbs7 lbs4,449 lbs
15Cyclohexane110-82-74,403 lbs0 lbs4,421 lbs
161,2,4-Trimethylbenzene95-63-63,367 lbs0 lbs3,505 lbs
17Naphthalene91-20-31,403 lbs1 lbs1,422 lbs
181,3-Butadiene106-99-01,251 lbs0 lbs1,251 lbs
19Dimethylamine124-40-3864 lbs0 lbs864 lbs
20Cumene98-82-8555 lbs0 lbs556 lbs
21Ethylene glycol107-21-1529 lbs0 lbs529 lbs
22Polycyclic aromatic compoundsN590353 lbs15 lbs369 lbs
23Acrylonitrile107-13-1278 lbs0 lbs278 lbs
24Phenol108-95-2255 lbs8 lbs263 lbs
25Formaldehyde50-00-0255 lbs0 lbs255 lbs
26Propylene oxide75-56-9255 lbs0 lbs255 lbs
27Formic acid64-18-6189 lbs0 lbs189 lbs
28Styrene100-42-5110 lbs0 lbs110 lbs
29Acetaldehyde75-07-045 lbs0 lbs45 lbs
30Biphenyl92-52-433 lbs0 lbs33 lbs
31Manganese7439-96-530 lbs0 lbs30 lbs
32Chromium7440-47-325 lbs0 lbs25 lbs
33Chlorine7782-50-525 lbs0 lbs25 lbs
34Nickel7440-02-024 lbs0 lbs24 lbs
35Certain glycol ethersN23011 lbs0 lbs11 lbs
36Mercury7439-97-67 lbs0 lbs7 lbs
37Benzo[g,h,i]perylene191-24-20 lbs5 lbs5 lbs
38Zinc compoundsN9820 lbs5 lbs5 lbs
39Lead And Lead CompoundsN4201 lbs1 lbs1 lbs
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