Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 113 Birdie Cir, La Porte, TX 77571

HCAD #1305780020039
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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 AE
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
113 Birdie Cir, La Porte, TX 77571
Building Size
3,596sqft
Total structure area from HCAD building records.
Elevation
11.29 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
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)
21.13 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
293.6 acres
99.5% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$190,075
Based on HCAD building value of $292,424.
Depth-Damage (Neighborhood)
$185,449
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
Special Flood Hazard Area (SFHA): Flood insurance required for federally backed mortgages
#2
Obtain an Elevation Certificate to determine accurate flood insurance premiums
#3
Property elevation currently above simulated flood level
#4
Maintain flood insurance coverage as required in Special Flood Hazard Areas
#5
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#6
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
10.7th 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)
7.09 millionlbs
Extremely High
1086.9x more than typical Houston property
≈ 355 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
7.09 millionlbs
Extremely High
1470.4x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
479lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
28
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)7,091,028 lbs7,090,550 lbs479 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)580,249 lbs580,244 lbs5 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, Methanol, Ethylene, Toluene, Vinyl acetate
View the full list of 80 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(80 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1n-Hexane110-54-31,274,648 lbs0 lbs1,274,648 lbs
2Methanol67-56-11,129,267 lbs55 lbs1,129,322 lbs
3Ethylene74-85-11,120,937 lbs0 lbs1,120,937 lbs
4Toluene108-88-3711,522 lbs0 lbs711,522 lbs
5Vinyl acetate108-05-4659,074 lbs0 lbs659,074 lbs
6Ammonia7664-41-7604,766 lbs0 lbs604,766 lbs
7Propylene115-07-1109,544 lbs0 lbs109,544 lbs
8Titanium tetrachloride7550-45-0108,195 lbs0 lbs108,195 lbs
9Acrylic acid79-10-7103,139 lbs0 lbs103,139 lbs
10Cyclohexane110-82-7102,641 lbs0 lbs102,641 lbs
11Acetaldehyde75-07-096,270 lbs0 lbs96,270 lbs
12Propylene oxide75-56-995,696 lbs0 lbs95,696 lbs
131,3-Butadiene106-99-089,666 lbs0 lbs89,666 lbs
14Acrylonitrile107-13-183,639 lbs0 lbs83,639 lbs
15n-Butyl alcohol71-36-380,171 lbs0 lbs80,171 lbs
16Ethylene glycol107-21-169,541 lbs0 lbs69,541 lbs
17Ethylene oxide75-21-856,834 lbs0 lbs56,834 lbs
18Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-050,961 lbs0 lbs50,961 lbs
19Isoprene78-79-547,793 lbs0 lbs47,793 lbs
20Hydroquinone123-31-944,758 lbs0 lbs44,758 lbs
21Butyl acrylate141-32-242,511 lbs0 lbs42,511 lbs
22Chlorodifluoromethane (HCFC-22)75-45-638,792 lbs0 lbs38,792 lbs
23Ethyl acrylate140-88-537,048 lbs0 lbs37,048 lbs
24Certain glycol ethersN23036,974 lbs0 lbs36,974 lbs
25Methyl isobutyl ketone108-10-136,313 lbs0 lbs36,313 lbs
26Xylene (mixed isomers)1330-20-735,072 lbs0 lbs35,072 lbs
27Cumene98-82-831,111 lbs0 lbs31,111 lbs
28Phenol108-95-230,497 lbs0 lbs30,497 lbs
29Methyl acrylate96-33-323,024 lbs0 lbs23,024 lbs
30Styrene100-42-517,954 lbs0 lbs17,954 lbs
31Chlorine7782-50-512,676 lbs0 lbs12,676 lbs
32Benzene71-43-210,536 lbs0 lbs10,536 lbs
33Formaldehyde50-00-09,848 lbs0 lbs9,848 lbs
34Epichlorohydrin106-89-88,484 lbs0 lbs8,484 lbs
35Dimethylamine124-40-37,773 lbs0 lbs7,773 lbs
36Ethylbenzene100-41-45,941 lbs0 lbs5,941 lbs
37Diphenylamine122-39-45,851 lbs0 lbs5,851 lbs
38Dibutyl phthalate84-74-25,792 lbs0 lbs5,792 lbs
39Maleic anhydride108-31-65,698 lbs0 lbs5,698 lbs
40Methyl iodide74-88-45,089 lbs0 lbs5,089 lbs
411,2,4-Trimethylbenzene95-63-64,544 lbs0 lbs4,544 lbs
42tert-Butyl alcohol75-65-04,519 lbs0 lbs4,519 lbs
43Chloroacetic acid79-11-84,175 lbs0 lbs4,175 lbs
44Propyleneimine75-55-83,701 lbs0 lbs3,701 lbs
45Methyl methacrylate80-62-63,050 lbs0 lbs3,050 lbs
461,4-Dioxane123-91-12,644 lbs0 lbs2,644 lbs
471,2-Butylene oxide106-88-72,348 lbs0 lbs2,348 lbs
48Acrolein107-02-82,268 lbs0 lbs2,268 lbs
49NonylphenolN5301,974 lbs0 lbs1,974 lbs
50Phosgene75-44-51,958 lbs0 lbs1,958 lbs
51Allyl alcohol107-18-61,820 lbs0 lbs1,820 lbs
52Naphthalene91-20-31,635 lbs0 lbs1,635 lbs
53Ethyl chloroformate541-41-31,467 lbs0 lbs1,467 lbs
54Methyl chlorocarbonate79-22-11,449 lbs0 lbs1,449 lbs
55sec-Butyl alcohol78-92-21,434 lbs0 lbs1,434 lbs
56Nitric acid7697-37-21,419 lbs0 lbs1,419 lbs
57Dicyclopentadiene77-73-61,387 lbs0 lbs1,387 lbs
58Nonylphenol EthoxylatesN535773 lbs0 lbs773 lbs
59Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9597 lbs0 lbs597 lbs
60Hydrazine302-01-2437 lbs0 lbs437 lbs
61Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs370 lbs370 lbs
62Benzyl chloride100-44-7228 lbs0 lbs228 lbs
63Di(2-ethylhexyl) phthalate117-81-7222 lbs0 lbs222 lbs
64Diethanolamine111-42-2106 lbs0 lbs106 lbs
65Diethyl sulfate64-67-585 lbs0 lbs85 lbs
66Zinc compoundsN98248 lbs33 lbs81 lbs
67Phthalic anhydride85-44-940 lbs0 lbs40 lbs
68Antimony compoundsN01020 lbs15 lbs35 lbs
69N,N-Dimethylformamide68-12-234 lbs0 lbs34 lbs
70Acetonitrile75-05-833 lbs0 lbs33 lbs
71Bis(2-chloroethyl) ether111-44-426 lbs0 lbs26 lbs
72Formic acid64-18-622 lbs0 lbs22 lbs
732,4-Dimethylphenol105-67-917 lbs0 lbs17 lbs
74Triethylamine121-44-810 lbs0 lbs15 lbs
75Antimony And Antimony CompoundsN0105 lbs5 lbs10 lbs
76Manganese And Manganese CompoundsN4503 lbs0 lbs3 lbs
771,3-Phenylenediamine108-45-22 lbs0 lbs2 lbs
78Lead7439-92-12 lbs0 lbs2 lbs
79Boron trifluoride7637-07-21 lbs0 lbs1 lbs
80Nickel compoundsN4950 lbs1 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
n-Hexane, Ethylene, Ammonia, Methanol, Toluene
View the full list of 61 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(61 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1n-Hexane110-54-3136,542 lbs0 lbs136,542 lbs
2Ethylene74-85-1117,900 lbs0 lbs117,900 lbs
3Ammonia7664-41-764,886 lbs0 lbs64,886 lbs
4Methanol67-56-156,028 lbs5 lbs56,033 lbs
5Toluene108-88-339,610 lbs0 lbs39,610 lbs
6Vinyl acetate108-05-433,123 lbs0 lbs33,123 lbs
7Propylene115-07-113,046 lbs0 lbs13,046 lbs
8Isoprene78-79-512,309 lbs0 lbs12,309 lbs
9Acrylic acid79-10-711,887 lbs0 lbs11,887 lbs
10Titanium tetrachloride7550-45-010,755 lbs0 lbs10,755 lbs
11Ethylene glycol107-21-18,929 lbs0 lbs8,929 lbs
12Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-08,214 lbs0 lbs8,214 lbs
13Cyclohexane110-82-78,101 lbs0 lbs8,101 lbs
14Propylene oxide75-56-97,974 lbs0 lbs7,974 lbs
15Hydroquinone123-31-96,585 lbs0 lbs6,585 lbs
16Acetaldehyde75-07-04,031 lbs0 lbs4,031 lbs
17Methyl isobutyl ketone108-10-13,997 lbs0 lbs3,997 lbs
181,3-Butadiene106-99-03,642 lbs0 lbs3,642 lbs
19Ethyl acrylate140-88-53,477 lbs0 lbs3,477 lbs
20Methyl acrylate96-33-32,867 lbs0 lbs2,867 lbs
21Butyl acrylate141-32-22,678 lbs0 lbs2,678 lbs
22Cumene98-82-82,611 lbs0 lbs2,611 lbs
23Ethylene oxide75-21-81,935 lbs0 lbs1,935 lbs
24Phenol108-95-21,875 lbs0 lbs1,875 lbs
25n-Butyl alcohol71-36-31,639 lbs0 lbs1,639 lbs
26Maleic anhydride108-31-61,325 lbs0 lbs1,325 lbs
27Xylene (mixed isomers)1330-20-71,270 lbs0 lbs1,270 lbs
28Acrolein107-02-81,224 lbs0 lbs1,224 lbs
29Formaldehyde50-00-01,094 lbs0 lbs1,094 lbs
30Benzene71-43-21,090 lbs0 lbs1,090 lbs
31tert-Butyl alcohol75-65-0986 lbs0 lbs986 lbs
32Chlorine7782-50-5961 lbs0 lbs961 lbs
33Methyl iodide74-88-4958 lbs0 lbs958 lbs
34Styrene100-42-5798 lbs0 lbs798 lbs
35Epichlorohydrin106-89-8643 lbs0 lbs643 lbs
361,2,4-Trimethylbenzene95-63-6624 lbs0 lbs624 lbs
37NonylphenolN530551 lbs0 lbs551 lbs
38Dibutyl phthalate84-74-2496 lbs0 lbs496 lbs
39Certain glycol ethersN230493 lbs0 lbs493 lbs
40Chloroacetic acid79-11-8476 lbs0 lbs476 lbs
41Methyl methacrylate80-62-6387 lbs0 lbs387 lbs
42Ethylbenzene100-41-4365 lbs0 lbs365 lbs
43Naphthalene91-20-3235 lbs0 lbs235 lbs
44Dimethylamine124-40-3228 lbs0 lbs228 lbs
45Di(2-ethylhexyl) phthalate117-81-7222 lbs0 lbs222 lbs
46Nitric acid7697-37-2219 lbs0 lbs219 lbs
471,4-Dioxane123-91-1126 lbs0 lbs126 lbs
48Ethyl chloroformate541-41-3120 lbs0 lbs120 lbs
49Benzyl chloride100-44-7119 lbs0 lbs119 lbs
50Diphenylamine122-39-4105 lbs0 lbs105 lbs
51Dicyclopentadiene77-73-697 lbs0 lbs97 lbs
52Allyl alcohol107-18-696 lbs0 lbs96 lbs
53sec-Butyl alcohol78-92-293 lbs0 lbs93 lbs
541,2-Butylene oxide106-88-752 lbs0 lbs52 lbs
55Hydrazine302-01-239 lbs0 lbs39 lbs
56Propyleneimine75-55-832 lbs0 lbs32 lbs
57Phosgene75-44-527 lbs0 lbs27 lbs
58Acetonitrile75-05-824 lbs0 lbs24 lbs
59Phthalic anhydride85-44-914 lbs0 lbs14 lbs
60Methyl chlorocarbonate79-22-113 lbs0 lbs13 lbs
61Manganese And Manganese CompoundsN4503 lbs0 lbs3 lbs
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