Complete Property Analysis

Environmental risk, tax analysis, and property details for 1204 Sunset Dr, Pasadena, TX 77506

HCAD #0741750020012
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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
1204 Sunset Dr, Pasadena, TX 77506
Building Size
3,561sqft
Total structure area from HCAD building records.
Elevation
26.42 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)
36.27 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)
$125,409
Based on HCAD building value of $192,937.
Depth-Damage (Neighborhood)
$127,490
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
12.3th percentile
Property Pollution Ranking
High
Higher pollution than 88% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
4.12 millionlbs
Extremely High
631.4x more than typical Houston property
206 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
4.12 millionlbs
Extremely High
853.7x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
3 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
7
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)4,119,758 lbs4,116,604 lbs3,154 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)324,852 lbs324,652 lbs200 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 88% 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):
Propylene, Hydrogen cyanide, Ammonia, n-Hexane, Ethylene
View the full list of 33 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(33 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Propylene115-07-1936,912 lbs0 lbs936,912 lbs
2Hydrogen cyanide74-90-8818,552 lbs0 lbs818,552 lbs
3Ammonia7664-41-7631,062 lbs0 lbs631,062 lbs
4n-Hexane110-54-3395,710 lbs0 lbs395,717 lbs
5Ethylene74-85-1292,319 lbs0 lbs292,319 lbs
6Xylene (mixed isomers)1330-20-7231,926 lbs627 lbs232,583 lbs
7Hydrogen sulfide7783-06-4206,443 lbs0 lbs206,443 lbs
8Benzene71-43-2205,652 lbs457 lbs206,120 lbs
9Toluene108-88-3169,716 lbs244 lbs169,984 lbs
10Diethanolamine111-42-2102,160 lbs0 lbs102,160 lbs
11Cyclohexane110-82-752,501 lbs0 lbs52,510 lbs
12Ethylbenzene100-41-428,148 lbs63 lbs28,219 lbs
131,3-Butadiene106-99-021,614 lbs0 lbs21,614 lbs
14Ethylene glycol107-21-15,255 lbs0 lbs5,264 lbs
15Naphthalene91-20-34,762 lbs75 lbs4,845 lbs
161,2,4-Trimethylbenzene95-63-63,713 lbs0 lbs3,727 lbs
17Polycyclic aromatic compoundsN5902,865 lbs525 lbs3,592 lbs
18Methanol67-56-13,468 lbs0 lbs3,468 lbs
19Cumene98-82-81,656 lbs0 lbs1,658 lbs
20Styrene100-42-51,319 lbs0 lbs1,319 lbs
21Phenol108-95-20 lbs1,155 lbs1,155 lbs
22Biphenyl92-52-4345 lbs0 lbs364 lbs
23Nickel7440-02-0120 lbs0 lbs120 lbs
24Certain glycol ethersN23080 lbs0 lbs80 lbs
25Mercury7439-97-677 lbs0 lbs77 lbs
26Manganese7439-96-570 lbs0 lbs70 lbs
27Isoprene78-79-560 lbs0 lbs60 lbs
28Chromium7440-47-340 lbs0 lbs40 lbs
29C.I. Food Red 1581-88-940 lbs0 lbs40 lbs
30Chromium compounds (except for chromite ore mined in the Transvaal Region)N09011 lbs0 lbs11 lbs
31Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0908 lbs0 lbs8 lbs
32Benzo[g,h,i]perylene191-24-20 lbs7 lbs7 lbs
33Lead compoundsN4201 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ammonia, Hydrogen cyanide, n-Hexane, Propylene, Xylene (mixed isomers)
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)
1Ammonia7664-41-773,883 lbs0 lbs73,883 lbs
2Hydrogen cyanide74-90-873,728 lbs0 lbs73,728 lbs
3n-Hexane110-54-335,588 lbs0 lbs35,588 lbs
4Propylene115-07-133,225 lbs0 lbs33,225 lbs
5Xylene (mixed isomers)1330-20-726,894 lbs10 lbs26,904 lbs
6Ethylene74-85-116,725 lbs0 lbs16,725 lbs
7Toluene108-88-316,108 lbs4 lbs16,112 lbs
8Benzene71-43-215,721 lbs110 lbs15,831 lbs
9Hydrogen sulfide7783-06-413,422 lbs0 lbs13,422 lbs
10Diethanolamine111-42-210,092 lbs0 lbs10,092 lbs
11Cyclohexane110-82-74,048 lbs0 lbs4,048 lbs
12Ethylbenzene100-41-42,726 lbs1 lbs2,727 lbs
13Naphthalene91-20-3763 lbs7 lbs770 lbs
14Ethylene glycol107-21-1500 lbs0 lbs500 lbs
15Polycyclic aromatic compoundsN590354 lbs55 lbs409 lbs
161,2,4-Trimethylbenzene95-63-6305 lbs0 lbs305 lbs
17Cumene98-82-8293 lbs0 lbs293 lbs
18Styrene100-42-5110 lbs0 lbs110 lbs
19Biphenyl92-52-433 lbs0 lbs33 lbs
20Manganese7439-96-530 lbs0 lbs30 lbs
211,3-Butadiene106-99-028 lbs0 lbs28 lbs
22Chromium7440-47-325 lbs0 lbs25 lbs
23Nickel7440-02-024 lbs0 lbs24 lbs
24Certain glycol ethersN23010 lbs0 lbs10 lbs
25Isoprene78-79-58 lbs0 lbs8 lbs
26Phenol108-95-20 lbs8 lbs8 lbs
27Mercury7439-97-67 lbs0 lbs7 lbs
28Benzo[g,h,i]perylene191-24-20 lbs5 lbs5 lbs
29Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0902 lbs0 lbs2 lbs
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