Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 100 Jefferson Rd, Pasadena, TX 77506

HCAD #0450020010101
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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
100 Jefferson Rd, Pasadena, TX 77506
Elevation
25.96 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)
35.80 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
133.7 acres
45.3% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$0
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
10.2th percentile
Property Pollution Ranking
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)
7.73 millionlbs
Extremely High
1185.4x more than typical Houston property
≈ 387 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
6.64 millionlbs
Extremely High
1376.1x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
1.1 millionlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
13
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)7,733,708 lbs6,636,033 lbs1,097,675 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)517,733 lbs443,144 lbs74,105 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):
Ethylene, n-Hexane, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, Propylene
View the full list of 54 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(54 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ethylene74-85-11,139,093 lbs0 lbs1,139,093 lbs
2n-Hexane110-54-31,058,386 lbs170 lbs1,058,969 lbs
3Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs1,038,744 lbs1,038,744 lbs
4Ammonia7664-41-7763,546 lbs36,262 lbs799,809 lbs
5Propylene115-07-1532,636 lbs0 lbs532,636 lbs
6Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9528,487 lbs0 lbs528,487 lbs
7Cumene98-82-8525,172 lbs11 lbs525,366 lbs
8Methanol67-56-1448,119 lbs7,563 lbs455,682 lbs
9Benzene71-43-2246,815 lbs47 lbs247,417 lbs
10Hydrogen cyanide74-90-8213,734 lbs0 lbs213,734 lbs
11Xylene (mixed isomers)1330-20-7208,704 lbs129 lbs211,171 lbs
12Acetophenone98-86-2206,492 lbs3,645 lbs210,136 lbs
13Vinyl chloride75-01-4166,976 lbs14 lbs166,990 lbs
14Toluene108-88-3160,136 lbs43 lbs161,046 lbs
15Acetaldehyde75-07-098,856 lbs3,956 lbs102,812 lbs
16Vinyl acetate108-05-470,754 lbs0 lbs70,754 lbs
171,2,4-Trimethylbenzene95-63-647,768 lbs105 lbs48,136 lbs
18Ethylbenzene100-41-438,993 lbs61 lbs39,648 lbs
19Hydrogen sulfide7783-06-437,772 lbs0 lbs37,773 lbs
201,3-Butadiene106-99-029,382 lbs0 lbs29,383 lbs
21Naphthalene91-20-316,264 lbs21 lbs17,608 lbs
22Cyclohexane110-82-715,149 lbs0 lbs15,908 lbs
23Boron trifluoride7637-07-214,843 lbs0 lbs14,843 lbs
24Zinc compoundsN9827,485 lbs6,851 lbs14,336 lbs
25Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-013,680 lbs0 lbs13,680 lbs
26Phenol108-95-213,534 lbs4 lbs13,538 lbs
27Dimethylamine124-40-36,912 lbs0 lbs6,912 lbs
28Chlorine7782-50-56,750 lbs0 lbs6,750 lbs
29Biphenyl92-52-44,816 lbs0 lbs5,138 lbs
30Formaldehyde50-00-03,345 lbs0 lbs3,345 lbs
31Acrylonitrile107-13-12,224 lbs0 lbs2,224 lbs
32o-Cresol95-48-71,985 lbs0 lbs1,985 lbs
33Propylene oxide75-56-91,829 lbs0 lbs1,829 lbs
34Formic acid64-18-61,406 lbs0 lbs1,406 lbs
35Manganese compoundsN4501,064 lbs0 lbs1,064 lbs
36Maleic anhydride108-31-61,046 lbs0 lbs1,046 lbs
37Lead compoundsN420288 lbs22 lbs309 lbs
38Manganese And Manganese CompoundsN450309 lbs0 lbs309 lbs
39Hydrogen fluoride7664-39-3229 lbs0 lbs299 lbs
40Ethylene glycol107-21-1299 lbs0 lbs299 lbs
411,2-Dibromoethane106-93-4133 lbs0 lbs133 lbs
421,2-Dichloroethane107-06-2127 lbs0 lbs127 lbs
43Diphenylamine122-39-4126 lbs0 lbs126 lbs
44Nickel7440-02-0120 lbs0 lbs120 lbs
45Lead And Lead CompoundsN42055 lbs22 lbs78 lbs
46Manganese7439-96-570 lbs0 lbs70 lbs
47Chromium7440-47-340 lbs0 lbs40 lbs
48Mercury7439-97-630 lbs0 lbs30 lbs
49Polycyclic aromatic compoundsN59024 lbs2 lbs26 lbs
50Certain glycol ethersN23012 lbs0 lbs12 lbs
51Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N09011 lbs0 lbs11 lbs
52Methyl tert-butyl ether1634-04-42 lbs5 lbs10 lbs
53Benzo[g,h,i]perylene191-24-23 lbs0 lbs3 lbs
54Mercury And Mercury CompoundsN4581 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ethylene, Ammonia, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Propylene, Cumene
View the full list of 43 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(43 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ethylene74-85-1115,868 lbs0 lbs115,868 lbs
2Ammonia7664-41-782,811 lbs93 lbs82,904 lbs
3Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs72,435 lbs72,435 lbs
4Propylene115-07-154,700 lbs0 lbs54,700 lbs
5Cumene98-82-835,239 lbs0 lbs35,240 lbs
6Benzene71-43-222,702 lbs4 lbs22,719 lbs
7Methanol67-56-119,060 lbs336 lbs19,396 lbs
8Acetophenone98-86-217,719 lbs350 lbs18,069 lbs
9Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-917,341 lbs0 lbs17,341 lbs
10n-Hexane110-54-315,513 lbs0 lbs15,546 lbs
11Vinyl chloride75-01-413,207 lbs1 lbs13,208 lbs
12Xylene (mixed isomers)1330-20-78,835 lbs15 lbs9,062 lbs
13Acetaldehyde75-07-08,345 lbs380 lbs8,725 lbs
14Toluene108-88-36,323 lbs5 lbs6,346 lbs
15Vinyl acetate108-05-45,850 lbs0 lbs5,850 lbs
161,2,4-Trimethylbenzene95-63-65,040 lbs0 lbs5,178 lbs
17Phenol108-95-24,579 lbs0 lbs4,579 lbs
18Ethylbenzene100-41-41,688 lbs7 lbs1,728 lbs
191,3-Butadiene106-99-01,251 lbs0 lbs1,251 lbs
20Boron trifluoride7637-07-21,178 lbs0 lbs1,178 lbs
21Zinc compoundsN982678 lbs476 lbs1,154 lbs
22Hydrogen sulfide7783-06-4923 lbs0 lbs923 lbs
23Dimethylamine124-40-3864 lbs0 lbs864 lbs
24Naphthalene91-20-3728 lbs1 lbs747 lbs
25Chlorine7782-50-5512 lbs0 lbs512 lbs
26Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0395 lbs0 lbs395 lbs
27Cyclohexane110-82-7355 lbs0 lbs373 lbs
28Formaldehyde50-00-0354 lbs0 lbs354 lbs
29Acrylonitrile107-13-1278 lbs0 lbs278 lbs
30Propylene oxide75-56-9255 lbs0 lbs255 lbs
31Formic acid64-18-6189 lbs0 lbs189 lbs
32Maleic anhydride108-31-6132 lbs0 lbs132 lbs
33o-Cresol95-48-788 lbs0 lbs88 lbs
34Manganese7439-96-530 lbs0 lbs30 lbs
35Ethylene glycol107-21-130 lbs0 lbs30 lbs
36Chromium7440-47-325 lbs0 lbs25 lbs
37Nickel7440-02-024 lbs0 lbs24 lbs
38Diphenylamine122-39-423 lbs0 lbs23 lbs
39Lead And Lead CompoundsN4208 lbs1 lbs9 lbs
401,2-Dibromoethane106-93-44 lbs0 lbs4 lbs
41Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0901 lbs0 lbs1 lbs
42Certain glycol ethersN2301 lbs0 lbs1 lbs
43Polycyclic aromatic compoundsN5900 lbs0 lbs1 lbs
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