Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 219 Oakhurst St, La Porte, Tx 77571

HCAD #0590170050013
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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
219 Oakhurst St, La Porte, Tx 77571
Building Size
1,964sqft
Total structure area from HCAD building records.
Elevation
11.55 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)
21.39 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.9 acres
100.0% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$65,074
Based on HCAD building value of $100,114.
Depth-Damage (Neighborhood)
$77,706
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
17.0th percentile
Property Pollution Ranking
High
Higher pollution than 83% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
1.55 millionlbs
Extremely High
237.1x more than typical Houston property
≈ 77 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
1.55 millionlbs
Extremely High
320.6x 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
14
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)1,546,647 lbs1,546,169 lbs479 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)123,134 lbs123,129 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 83% 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):
Methanol, Ethylene, Ammonia, Vinyl acetate, Cyclohexane
View the full list of 57 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(57 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Methanol67-56-1355,257 lbs55 lbs355,312 lbs
2Ethylene74-85-1346,604 lbs0 lbs346,604 lbs
3Ammonia7664-41-7292,366 lbs0 lbs292,366 lbs
4Vinyl acetate108-05-4142,721 lbs0 lbs142,721 lbs
5Cyclohexane110-82-7102,641 lbs0 lbs102,641 lbs
6Propylene oxide75-56-995,696 lbs0 lbs95,696 lbs
7Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-035,668 lbs0 lbs35,668 lbs
8Certain glycol ethersN23034,372 lbs0 lbs34,372 lbs
9n-Hexane110-54-317,593 lbs0 lbs17,593 lbs
10Isoprene78-79-515,828 lbs0 lbs15,828 lbs
11Acetaldehyde75-07-014,843 lbs0 lbs14,843 lbs
12Chlorine7782-50-512,676 lbs0 lbs12,676 lbs
131,3-Butadiene106-99-012,674 lbs0 lbs12,674 lbs
14Xylene (mixed isomers)1330-20-78,223 lbs0 lbs8,223 lbs
15Styrene100-42-55,569 lbs0 lbs5,569 lbs
16Formaldehyde50-00-05,143 lbs0 lbs5,143 lbs
171,2,4-Trimethylbenzene95-63-64,474 lbs0 lbs4,474 lbs
18Chloroacetic acid79-11-84,175 lbs0 lbs4,175 lbs
19Acrylic acid79-10-73,532 lbs0 lbs3,532 lbs
20Toluene108-88-33,240 lbs0 lbs3,240 lbs
21Methyl methacrylate80-62-63,050 lbs0 lbs3,050 lbs
221,4-Dioxane123-91-12,644 lbs0 lbs2,644 lbs
23Butyl acrylate141-32-22,517 lbs0 lbs2,517 lbs
241,2-Butylene oxide106-88-72,348 lbs0 lbs2,348 lbs
25NonylphenolN5301,974 lbs0 lbs1,974 lbs
26Phosgene75-44-51,958 lbs0 lbs1,958 lbs
27Allyl alcohol107-18-61,820 lbs0 lbs1,820 lbs
28Ethylene oxide75-21-81,600 lbs0 lbs1,600 lbs
29Naphthalene91-20-31,572 lbs0 lbs1,572 lbs
30Ethyl chloroformate541-41-31,467 lbs0 lbs1,467 lbs
31Methyl chlorocarbonate79-22-11,449 lbs0 lbs1,449 lbs
32sec-Butyl alcohol78-92-21,434 lbs0 lbs1,434 lbs
33Nitric acid7697-37-21,405 lbs0 lbs1,405 lbs
34n-Butyl alcohol71-36-31,279 lbs0 lbs1,279 lbs
35tert-Butyl alcohol75-65-01,254 lbs0 lbs1,254 lbs
36Dicyclopentadiene77-73-61,178 lbs0 lbs1,178 lbs
37Ethylene glycol107-21-11,132 lbs0 lbs1,132 lbs
38Nonylphenol EthoxylatesN535773 lbs0 lbs773 lbs
39Ethylbenzene100-41-4728 lbs0 lbs728 lbs
40Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9597 lbs0 lbs597 lbs
41Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs370 lbs370 lbs
42Benzyl chloride100-44-7228 lbs0 lbs228 lbs
43Diethanolamine111-42-2106 lbs0 lbs106 lbs
44Diethyl sulfate64-67-585 lbs0 lbs85 lbs
45Zinc compoundsN98248 lbs33 lbs81 lbs
46Epichlorohydrin106-89-842 lbs0 lbs42 lbs
47Antimony compoundsN01020 lbs15 lbs35 lbs
48N,N-Dimethylformamide68-12-234 lbs0 lbs34 lbs
49Acetonitrile75-05-833 lbs0 lbs33 lbs
50Bis(2-chloroethyl) ether111-44-426 lbs0 lbs26 lbs
51Formic acid64-18-621 lbs0 lbs21 lbs
522,4-Dimethylphenol105-67-917 lbs0 lbs17 lbs
53Cumene98-82-815 lbs0 lbs15 lbs
54Phthalic anhydride85-44-913 lbs0 lbs13 lbs
55Antimony And Antimony CompoundsN0105 lbs5 lbs10 lbs
561,3-Phenylenediamine108-45-22 lbs0 lbs2 lbs
57Nickel compoundsN4950 lbs1 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Methanol, Ethylene, Ammonia, Vinyl acetate, Cyclohexane
View the full list of 39 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(39 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Methanol67-56-126,320 lbs5 lbs26,325 lbs
2Ethylene74-85-124,713 lbs0 lbs24,713 lbs
3Ammonia7664-41-724,363 lbs0 lbs24,363 lbs
4Vinyl acetate108-05-414,116 lbs0 lbs14,116 lbs
5Cyclohexane110-82-78,101 lbs0 lbs8,101 lbs
6Propylene oxide75-56-97,974 lbs0 lbs7,974 lbs
7Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-06,374 lbs0 lbs6,374 lbs
8Isoprene78-79-52,125 lbs0 lbs2,125 lbs
91,3-Butadiene106-99-01,187 lbs0 lbs1,187 lbs
10Chlorine7782-50-5961 lbs0 lbs961 lbs
111,2,4-Trimethylbenzene95-63-6599 lbs0 lbs599 lbs
12NonylphenolN530551 lbs0 lbs551 lbs
13n-Hexane110-54-3521 lbs0 lbs521 lbs
14Acetaldehyde75-07-0496 lbs0 lbs496 lbs
15Chloroacetic acid79-11-8476 lbs0 lbs476 lbs
16Ethylene oxide75-21-8462 lbs0 lbs462 lbs
17Xylene (mixed isomers)1330-20-7451 lbs0 lbs451 lbs
18Styrene100-42-5424 lbs0 lbs424 lbs
19Certain glycol ethersN230421 lbs0 lbs421 lbs
20Methyl methacrylate80-62-6387 lbs0 lbs387 lbs
21Toluene108-88-3258 lbs0 lbs258 lbs
22Naphthalene91-20-3223 lbs0 lbs223 lbs
23Nitric acid7697-37-2217 lbs0 lbs217 lbs
24Acrylic acid79-10-7186 lbs0 lbs186 lbs
25Formaldehyde50-00-0145 lbs0 lbs145 lbs
261,4-Dioxane123-91-1126 lbs0 lbs126 lbs
27Ethyl chloroformate541-41-3120 lbs0 lbs120 lbs
28Benzyl chloride100-44-7119 lbs0 lbs119 lbs
29Ethylene glycol107-21-1106 lbs0 lbs106 lbs
30Dicyclopentadiene77-73-697 lbs0 lbs97 lbs
31Allyl alcohol107-18-696 lbs0 lbs96 lbs
32Ethylbenzene100-41-494 lbs0 lbs94 lbs
33sec-Butyl alcohol78-92-293 lbs0 lbs93 lbs
34n-Butyl alcohol71-36-385 lbs0 lbs85 lbs
351,2-Butylene oxide106-88-752 lbs0 lbs52 lbs
36Phosgene75-44-527 lbs0 lbs27 lbs
37tert-Butyl alcohol75-65-026 lbs0 lbs26 lbs
38Acetonitrile75-05-824 lbs0 lbs24 lbs
39Methyl chlorocarbonate79-22-113 lbs0 lbs13 lbs
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