📊 Environmental Assessment Report

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.

🌊 Part 1: Flood Risk Analysis

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
4010 RED BLUFF RD PASADENA 77506
Elevation
23.26 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
Overall Risk
Very Low
Risk based on FEMA zone and simulation.

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 Low
Flood Depth
0 ft ±0.5 ft
No flooding at current water level.
Water Surface Elevation (WSE)
N/A
Water surface elevation data not available.
Area Inundated
N/A
Data not available
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage Estimate (HCAD Valuation)
$0
Vacant lot (no building data). No structure to calculate damage for.
Depth-Damage Estimate (Neighborhood Comparison)
$0
Vacant lot (no building data). No structure to calculate damage for.
Analysis Method
COG Bathtub 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 Safe
Safety Margin: 13.26 feet
Severity: Safe

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.

  • FEMA Zone X (minimal hazard) - flood insurance available at preferred rates.
  • Review the interactive flood simulator to understand how different rainfall events could affect this property.
  • Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information.

🏭 Part 2: Industrial Pollution Exposure

Property Pollution Ranking
High
Higher pollution than 89% of Houston homes
This ranking compares pollution levels within 2 miles of this property against 10,000 randomly sampled Houston metro properties. Lower percentiles indicate higher pollution exposure.
Industrial Pollution Nearby (Last 10 Years)
6.01 million lbs
Extremely High
921.0x more than typical Houston property
300 dump trucks of chemicals within 2 miles
Total chemical releases from all industrial facilities within a 2-mile radius over the past decade (2014–2024). Data from EPA's Toxic Release Inventory tracking air, water, and land discharges.
💨 Air Pollution (Last 10 Years)
5.97 million lbs
Extremely High
1237.5x more than typical Houston property
Chemicals released into the air from nearby facilities over 10 years. Includes both fugitive emissions (leaks, evaporation) and stack emissions (smokestacks, vents). May affect local air quality.
💧 Water Pollution (Last 10 Years)
41 thousand lbs
Extremely High
Most Houston properties have none nearby
Chemical discharges to surface water (bayous, streams, drainage) from industrial facilities within 2 miles over the past decade. May impact local waterways and drainage systems.

❤️ 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)6,008,807 lbs5,967,598 lbs41,209 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)467,073 lbs363,569 lbs638 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 15% most polluted).

Top chemicals released near this property (past 10 years):

Ethylene, n-Hexane, Ammonia, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Methanol

View the full list of 61 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (61 chemicals)

#ChemicalCAS#Air (lbs, 10yr)Water (lbs, 10yr)Total (lbs, 10yr)
1Ethylene74-85-11,303,858 lbs0 lbs1,303,858 lbs
2n-Hexane110-54-31,167,945 lbs179 lbs1,168,608 lbs
3Ammonia7664-41-7828,361 lbs33,581 lbs861,942 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
5Methanol67-56-1334,060 lbs0 lbs334,060 lbs
6Propylene115-07-1271,756 lbs0 lbs271,756 lbs
7Xylene (mixed isomers)1330-20-7236,074 lbs147 lbs238,630 lbs
81,3-Butadiene106-99-0232,400 lbs0 lbs232,401 lbs
9Hydrogen cyanide74-90-8213,734 lbs0 lbs213,734 lbs
10Toluene108-88-3186,283 lbs60 lbs187,296 lbs
11n-Butyl alcohol71-36-3137,606 lbs0 lbs137,606 lbs
12Benzene71-43-2107,643 lbs53 lbs108,270 lbs
13Vinyl acetate108-05-470,754 lbs0 lbs70,754 lbs
141,2,4-Trimethylbenzene95-63-651,231 lbs105 lbs51,814 lbs
15Ethylbenzene100-41-441,124 lbs77 lbs41,832 lbs
16Hydrogen sulfide7783-06-437,772 lbs0 lbs37,773 lbs
17Propionaldehyde123-38-631,241 lbs0 lbs31,241 lbs
18Cyclohexane110-82-729,731 lbs0 lbs30,491 lbs
19Butyraldehyde123-72-822,150 lbs0 lbs22,150 lbs
20Naphthalene91-20-316,477 lbs21 lbs17,826 lbs
21Boron trifluoride7637-07-214,843 lbs0 lbs14,843 lbs
22Zinc compoundsN9827,485 lbs6,916 lbs14,401 lbs
23Dicyclopentadiene77-73-614,013 lbs0 lbs14,013 lbs
24Isoprene78-79-513,272 lbs0 lbs13,272 lbs
25Cumene98-82-89,315 lbs10 lbs9,513 lbs
26Dimethylamine124-40-36,912 lbs0 lbs6,912 lbs
27Chlorine7782-50-56,750 lbs0 lbs6,750 lbs
28Acetaldehyde75-07-06,116 lbs0 lbs6,116 lbs
29Ethylene glycol107-21-15,554 lbs0 lbs5,554 lbs
30Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-05,281 lbs0 lbs5,281 lbs
31Phenol108-95-25,163 lbs0 lbs5,163 lbs
32Biphenyl92-52-44,816 lbs0 lbs5,138 lbs
33Isobutyraldehyde78-84-24,080 lbs0 lbs4,080 lbs
34Formaldehyde50-00-03,345 lbs0 lbs3,345 lbs
35Acrylonitrile107-13-12,224 lbs0 lbs2,224 lbs
36o-Cresol95-48-71,985 lbs0 lbs1,985 lbs
37Propylene oxide75-56-91,829 lbs0 lbs1,829 lbs
38Formic acid64-18-61,406 lbs0 lbs1,406 lbs
39Manganese compoundsN4501,064 lbs0 lbs1,064 lbs
40Maleic anhydride108-31-61,046 lbs0 lbs1,046 lbs
41Diethanolamine111-42-2600 lbs0 lbs600 lbs
42Lead compoundsN420291 lbs27 lbs317 lbs
43Manganese And Manganese CompoundsN450309 lbs0 lbs309 lbs
44Hydrogen fluoride7664-39-3229 lbs0 lbs299 lbs
451,2-Dibromoethane106-93-4133 lbs0 lbs133 lbs
461,2-Dichloroethane107-06-2127 lbs0 lbs127 lbs
47Diphenylamine122-39-4126 lbs0 lbs126 lbs
48Nickel7440-02-0120 lbs0 lbs120 lbs
49Certain glycol ethersN23092 lbs0 lbs92 lbs
50Lead And Lead CompoundsN42055 lbs27 lbs83 lbs
51Manganese7439-96-570 lbs0 lbs70 lbs
52Styrene100-42-556 lbs0 lbs56 lbs
53Polycyclic aromatic compoundsN59047 lbs2 lbs49 lbs
54C.I. Food Red 1581-88-940 lbs0 lbs40 lbs
55Chromium7440-47-340 lbs0 lbs40 lbs
56Anthracene120-12-731 lbs0 lbs31 lbs
57Mercury7439-97-630 lbs0 lbs30 lbs
58Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09011 lbs0 lbs11 lbs
59Methyl tert-butyl ether1634-04-42 lbs5 lbs10 lbs
60Benzo[g,h,i]perylene191-24-23 lbs0 lbs3 lbs
61Mercury And Mercury CompoundsN4581 lbs0 lbs1 lbs

Top chemicals released near this property (2024 only):

Ethylene, Ammonia, Methanol, 1,3-Butadiene, Zinc compounds

View the full list of 47 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (47 chemicals)

#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ethylene74-85-1129,645 lbs0 lbs129,645 lbs
2Ammonia7664-41-789,692 lbs93 lbs117,230 lbs
3Methanol67-56-115,808 lbs0 lbs42,599 lbs
41,3-Butadiene106-99-033,626 lbs0 lbs33,626 lbs
5Zinc compoundsN982678 lbs481 lbs28,626 lbs
6n-Hexane110-54-322,511 lbs0 lbs22,621 lbs
7Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-917,341 lbs0 lbs17,341 lbs
8Xylene (mixed isomers)1330-20-712,427 lbs23 lbs12,968 lbs
9Toluene108-88-39,336 lbs13 lbs11,330 lbs
10Vanadium compoundsN7700 lbs0 lbs6,689 lbs
11Benzene71-43-26,125 lbs6 lbs6,245 lbs
121,2,4-Trimethylbenzene95-63-65,237 lbs0 lbs6,148 lbs
13Vinyl acetate108-05-45,850 lbs0 lbs5,852 lbs
14Phenol108-95-22,206 lbs0 lbs3,579 lbs
15Formaldehyde50-00-0354 lbs0 lbs3,326 lbs
16Isoprene78-79-52,371 lbs0 lbs2,371 lbs
17Ethylbenzene100-41-41,882 lbs15 lbs1,972 lbs
18Formic acid64-18-6189 lbs0 lbs1,968 lbs
19Lead And Lead CompoundsN4208 lbs6 lbs1,248 lbs
20Propylene115-07-11,202 lbs0 lbs1,202 lbs
21Boron trifluoride7637-07-21,178 lbs0 lbs1,178 lbs
22o-Cresol95-48-788 lbs0 lbs1,122 lbs
23Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0901 lbs0 lbs1,095 lbs
24Hydrogen sulfide7783-06-4923 lbs0 lbs923 lbs
25Dimethylamine124-40-3864 lbs0 lbs884 lbs
26Naphthalene91-20-3748 lbs1 lbs777 lbs
27Cyclohexane110-82-7649 lbs0 lbs667 lbs
28Cumene98-82-8480 lbs0 lbs626 lbs
29Ethylene glycol107-21-1530 lbs0 lbs550 lbs
30Chlorine7782-50-5512 lbs0 lbs512 lbs
31Lead compoundsN4200 lbs0 lbs430 lbs
32Perfluorooctanoic acid335-67-10 lbs0 lbs402 lbs
33Acrylonitrile107-13-1278 lbs0 lbs294 lbs
34Maleic anhydride108-31-6132 lbs0 lbs281 lbs
35Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0265 lbs0 lbs265 lbs
36Propylene oxide75-56-9255 lbs0 lbs255 lbs
37Mercury compoundsN4580 lbs0 lbs46 lbs
38Acetaldehyde75-07-045 lbs0 lbs45 lbs
39Manganese7439-96-530 lbs0 lbs30 lbs
40Chromium7440-47-325 lbs0 lbs25 lbs
41Nickel7440-02-024 lbs0 lbs24 lbs
42Diphenylamine122-39-423 lbs0 lbs23 lbs
43Certain glycol ethersN23011 lbs0 lbs11 lbs
44Diethanolamine111-42-210 lbs0 lbs10 lbs
45Styrene100-42-57 lbs0 lbs7 lbs
461,2-Dibromoethane106-93-44 lbs0 lbs4 lbs
47Polycyclic aromatic compoundsN5900 lbs0 lbs1 lbs

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