Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 3010 Briar Dr, Pasadena, TX 77503

HCAD #1121330000005
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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
3010 Briar Dr, Pasadena, TX 77503
Building Size
2,560sqft
Total structure area from HCAD building records.
Elevation
31.41 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)
41.25 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
209.7 acres
71.1% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$137,325
Based on HCAD building value of $211,270.
Depth-Damage (Neighborhood)
$133,136
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
21.3th percentile
Property Pollution Ranking
High
Higher pollution than 79% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
691 thousandlbs
Extremely High
105.9x more than typical Houston property
≈ 35 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
690 thousandlbs
Extremely High
143.1x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
527lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
11
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)690,788 lbs690,261 lbs527 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)83,150 lbs83,131 lbs19 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 79% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 20-29th percentile.
📋
Top chemicals released near this property (past 10 years):
Methanol, Ammonia, Vinyl acetate, Xylene (mixed isomers), Ethylene
View the full list of 41 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(41 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Methanol67-56-1270,817 lbs0 lbs270,817 lbs
2Ammonia7664-41-792,863 lbs0 lbs92,863 lbs
3Vinyl acetate108-05-470,754 lbs0 lbs70,754 lbs
4Xylene (mixed isomers)1330-20-745,323 lbs33 lbs45,365 lbs
5Ethylene74-85-140,183 lbs0 lbs40,183 lbs
61,2,4-Trimethylbenzene95-63-636,587 lbs105 lbs36,695 lbs
7Toluene108-88-329,713 lbs27 lbs29,749 lbs
8n-Hexane110-54-320,905 lbs170 lbs21,076 lbs
9Boron trifluoride7637-07-214,388 lbs0 lbs14,388 lbs
10Benzene71-43-211,221 lbs24 lbs11,247 lbs
11Dimethylamine124-40-36,912 lbs0 lbs6,912 lbs
12Chlorine7782-50-56,383 lbs0 lbs6,383 lbs
13Acetaldehyde75-07-06,116 lbs0 lbs6,116 lbs
14Ethylbenzene100-41-45,951 lbs22 lbs5,975 lbs
15Phenol108-95-25,078 lbs0 lbs5,078 lbs
16Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-05,066 lbs0 lbs5,066 lbs
17Zinc compoundsN9824,126 lbs0 lbs4,126 lbs
18Formaldehyde50-00-03,141 lbs0 lbs3,141 lbs
19Ethylene glycol107-21-12,254 lbs0 lbs2,254 lbs
20Acrylonitrile107-13-12,224 lbs0 lbs2,224 lbs
21Propylene oxide75-56-91,829 lbs0 lbs1,829 lbs
22o-Cresol95-48-71,585 lbs0 lbs1,585 lbs
23Cumene98-82-81,513 lbs10 lbs1,524 lbs
24Formic acid64-18-61,406 lbs0 lbs1,406 lbs
25Maleic anhydride108-31-61,009 lbs0 lbs1,009 lbs
26Cyclohexane110-82-7995 lbs0 lbs995 lbs
27Naphthalene91-20-3935 lbs21 lbs957 lbs
281,3-Butadiene106-99-0312 lbs0 lbs312 lbs
29Diethanolamine111-42-2205 lbs0 lbs205 lbs
30Nickel7440-02-0120 lbs31 lbs151 lbs
31Diphenylamine122-39-4118 lbs0 lbs118 lbs
32Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-996 lbs0 lbs96 lbs
33Chromium7440-47-340 lbs33 lbs73 lbs
34Manganese7439-96-570 lbs0 lbs70 lbs
35Lead And Lead CompoundsN4203 lbs22 lbs25 lbs
36Lead compoundsN4201 lbs22 lbs22 lbs
37Certain glycol ethersN23012 lbs0 lbs12 lbs
38Methyl tert-butyl ether1634-04-42 lbs5 lbs10 lbs
39Polycyclic aromatic compoundsN5902 lbs2 lbs4 lbs
40Piperonyl butoxide51-03-64 lbs0 lbs4 lbs
41Mercury And Mercury CompoundsN4581 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ethylene, Methanol, Ammonia, Vinyl acetate, n-Hexane
View the full list of 36 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(36 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ethylene74-85-130,650 lbs0 lbs30,650 lbs
2Methanol67-56-115,808 lbs0 lbs15,808 lbs
3Ammonia7664-41-76,678 lbs0 lbs6,678 lbs
4Vinyl acetate108-05-45,850 lbs0 lbs5,850 lbs
5n-Hexane110-54-34,280 lbs0 lbs4,280 lbs
61,2,4-Trimethylbenzene95-63-64,000 lbs0 lbs4,000 lbs
7Xylene (mixed isomers)1330-20-73,675 lbs5 lbs3,680 lbs
8Toluene108-88-32,900 lbs3 lbs2,903 lbs
9Phenol108-95-22,206 lbs0 lbs2,206 lbs
10Boron trifluoride7637-07-21,178 lbs0 lbs1,178 lbs
11Benzene71-43-21,130 lbs2 lbs1,132 lbs
12Dimethylamine124-40-3864 lbs0 lbs864 lbs
13Chlorine7782-50-5487 lbs0 lbs487 lbs
14Ethylbenzene100-41-4427 lbs3 lbs430 lbs
15Formaldehyde50-00-0354 lbs0 lbs354 lbs
16Zinc compoundsN982323 lbs0 lbs323 lbs
171,3-Butadiene106-99-0295 lbs0 lbs295 lbs
18Acrylonitrile107-13-1278 lbs0 lbs278 lbs
19Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0265 lbs0 lbs265 lbs
20Propylene oxide75-56-9255 lbs0 lbs255 lbs
21Cyclohexane110-82-7232 lbs0 lbs232 lbs
22Formic acid64-18-6189 lbs0 lbs189 lbs
23Cumene98-82-8183 lbs0 lbs183 lbs
24Naphthalene91-20-3132 lbs1 lbs133 lbs
25Maleic anhydride108-31-6132 lbs0 lbs132 lbs
26Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-996 lbs0 lbs96 lbs
27o-Cresol95-48-788 lbs0 lbs88 lbs
28Acetaldehyde75-07-045 lbs0 lbs45 lbs
29Manganese7439-96-530 lbs0 lbs30 lbs
30Ethylene glycol107-21-130 lbs0 lbs30 lbs
31Chromium7440-47-325 lbs2 lbs27 lbs
32Nickel7440-02-024 lbs2 lbs26 lbs
33Diphenylamine122-39-423 lbs0 lbs23 lbs
34Lead And Lead CompoundsN4201 lbs1 lbs1 lbs
35Certain glycol ethersN2301 lbs0 lbs1 lbs
36Polycyclic aromatic compoundsN5900 lbs0 lbs1 lbs
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