Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 1401 S 16th St, La Porte, TX 77571

HCAD #1377380010001
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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
1401 S 16th St, La Porte, TX 77571
Elevation
15.58 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)
25.42 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.0 acres
99.7% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$12,603,904
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
11.8th percentile
Property Pollution Ranking
High
Higher pollution than 88% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
4.71 millionlbs
Extremely High
721.7x more than typical Houston property
≈ 235 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
4.69 millionlbs
Extremely High
973.0x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
17 thousandlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
25
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)4,708,735 lbs4,691,921 lbs16,814 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)411,122 lbs409,842 lbs1,280 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 88% 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, Ethylene, Ammonia, Methanol, Toluene
View the full list of 72 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(72 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1n-Hexane110-54-31,030,724 lbs0 lbs1,030,724 lbs
2Ethylene74-85-1743,892 lbs0 lbs743,892 lbs
3Ammonia7664-41-7692,815 lbs123 lbs692,958 lbs
4Methanol67-56-1432,856 lbs55 lbs432,911 lbs
5Toluene108-88-3430,896 lbs0 lbs430,896 lbs
6Nitric acid7697-37-2398,872 lbs55 lbs398,952 lbs
7Vinyl acetate108-05-4139,491 lbs0 lbs139,491 lbs
8Cyclohexane110-82-7103,018 lbs0 lbs103,018 lbs
9Propylene oxide75-56-995,657 lbs0 lbs95,657 lbs
10Acrylonitrile107-13-183,639 lbs0 lbs83,639 lbs
11n-Butyl alcohol71-36-355,672 lbs0 lbs55,672 lbs
12Hydroquinone123-31-942,495 lbs0 lbs42,495 lbs
13Molybdenum trioxide1313-27-537,655 lbs3,227 lbs40,897 lbs
14Propylene115-07-136,801 lbs0 lbs36,801 lbs
15Methyl isobutyl ketone108-10-136,313 lbs0 lbs36,313 lbs
16Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-035,668 lbs0 lbs35,668 lbs
17Xylene (mixed isomers)1330-20-733,103 lbs0 lbs33,103 lbs
18Hydrogen sulfide7783-06-431,678 lbs0 lbs31,678 lbs
19Cumene98-82-831,173 lbs0 lbs31,173 lbs
20Phenol108-95-230,497 lbs0 lbs30,497 lbs
21Styrene100-42-517,954 lbs0 lbs17,954 lbs
22Isoprene78-79-515,828 lbs0 lbs15,828 lbs
23Acetaldehyde75-07-014,843 lbs0 lbs14,843 lbs
24Nickel compoundsN49511,795 lbs1,905 lbs13,715 lbs
25Chlorine7782-50-512,676 lbs0 lbs12,676 lbs
261,3-Butadiene106-99-012,674 lbs0 lbs12,674 lbs
27Benzene71-43-210,536 lbs0 lbs10,536 lbs
28Nitrate compounds (water dissociable; reportable only when in aqueous solution)N51130 lbs10,255 lbs10,300 lbs
29tert-Butyl alcohol75-65-06,837 lbs0 lbs6,837 lbs
30Cobalt compoundsN0965,871 lbs886 lbs6,772 lbs
31Diphenylamine122-39-45,851 lbs0 lbs5,851 lbs
32Ethylbenzene100-41-45,307 lbs0 lbs5,307 lbs
33Nickel And Nickel CompoundsN4954,878 lbs62 lbs4,940 lbs
34Cobalt And Cobalt CompoundsN0964,551 lbs42 lbs4,593 lbs
35Chloroacetic acid79-11-84,175 lbs0 lbs4,175 lbs
36Acrylic acid79-10-73,532 lbs0 lbs3,532 lbs
37Allyl alcohol107-18-63,389 lbs0 lbs3,389 lbs
38Methyl methacrylate80-62-63,052 lbs0 lbs3,052 lbs
39Formaldehyde50-00-02,746 lbs102 lbs2,848 lbs
401,4-Dioxane123-91-12,644 lbs0 lbs2,644 lbs
41Ethylene oxide75-21-82,386 lbs0 lbs2,386 lbs
421,2-Butylene oxide106-88-72,348 lbs0 lbs2,348 lbs
43Dimethylamine124-40-32,009 lbs0 lbs2,009 lbs
44Phosgene75-44-51,958 lbs0 lbs1,958 lbs
45Ethyl chloroformate541-41-31,467 lbs0 lbs1,467 lbs
46Methyl chlorocarbonate79-22-11,449 lbs0 lbs1,449 lbs
47sec-Butyl alcohol78-92-21,434 lbs0 lbs1,434 lbs
48Dicyclopentadiene77-73-61,178 lbs0 lbs1,178 lbs
491,2,4-Trimethylbenzene95-63-61,065 lbs0 lbs1,065 lbs
50Maleic anhydride108-31-6966 lbs0 lbs966 lbs
51Ethylene glycol107-21-1659 lbs0 lbs659 lbs
52Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9597 lbs0 lbs597 lbs
53Manganese7439-96-5511 lbs0 lbs511 lbs
54Benzoyl chloride98-88-4469 lbs0 lbs469 lbs
55Hydrazine302-01-2437 lbs0 lbs437 lbs
56Lead And Lead CompoundsN420211 lbs10 lbs221 lbs
57Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N040145 lbs30 lbs175 lbs
58Lead compoundsN420138 lbs4 lbs142 lbs
59Copper compoundsN100132 lbs6 lbs138 lbs
60Naphthalene91-20-396 lbs0 lbs96 lbs
61Zinc compoundsN98235 lbs33 lbs68 lbs
62Chloromethane74-87-351 lbs0 lbs51 lbs
63Antimony compoundsN01020 lbs15 lbs35 lbs
64N,N-Dimethylformamide68-12-234 lbs0 lbs34 lbs
65Phthalic anhydride85-44-913 lbs0 lbs13 lbs
66Certain glycol ethersN23011 lbs0 lbs11 lbs
67Antimony And Antimony CompoundsN0105 lbs5 lbs10 lbs
68Butyl acrylate141-32-25 lbs0 lbs5 lbs
69Bis(2-chloroethyl) ether111-44-43 lbs0 lbs3 lbs
70Cumene hydroperoxide80-15-92 lbs0 lbs2 lbs
711,3-Phenylenediamine108-45-22 lbs0 lbs2 lbs
72Boron trifluoride7637-07-21 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
n-Hexane, Ethylene, Ammonia, Methanol, Toluene
View the full list of 54 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(54 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1n-Hexane110-54-3117,061 lbs0 lbs117,061 lbs
2Ethylene74-85-196,034 lbs0 lbs96,034 lbs
3Ammonia7664-41-766,245 lbs5 lbs66,250 lbs
4Methanol67-56-126,314 lbs5 lbs26,319 lbs
5Toluene108-88-314,259 lbs0 lbs14,259 lbs
6Vinyl acetate108-05-414,116 lbs0 lbs14,116 lbs
7Propylene115-07-110,035 lbs0 lbs10,035 lbs
8Nitric acid7697-37-29,707 lbs5 lbs9,712 lbs
9Cyclohexane110-82-78,125 lbs0 lbs8,125 lbs
10Propylene oxide75-56-97,974 lbs0 lbs7,974 lbs
11Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-06,374 lbs0 lbs6,374 lbs
12Hydroquinone123-31-94,862 lbs0 lbs4,862 lbs
13Methyl isobutyl ketone108-10-13,997 lbs0 lbs3,997 lbs
14Hydrogen sulfide7783-06-43,596 lbs0 lbs3,596 lbs
15Molybdenum trioxide1313-27-52,770 lbs482 lbs3,252 lbs
16Cumene98-82-82,616 lbs0 lbs2,616 lbs
17Isoprene78-79-52,125 lbs0 lbs2,125 lbs
18Phenol108-95-21,875 lbs0 lbs1,875 lbs
191,3-Butadiene106-99-01,187 lbs0 lbs1,187 lbs
20Nickel compoundsN4951,017 lbs108 lbs1,125 lbs
21Benzene71-43-21,090 lbs0 lbs1,090 lbs
22n-Butyl alcohol71-36-31,017 lbs0 lbs1,017 lbs
23Chlorine7782-50-5961 lbs0 lbs961 lbs
24Styrene100-42-5798 lbs0 lbs798 lbs
25Xylene (mixed isomers)1330-20-7723 lbs0 lbs723 lbs
26Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs622 lbs622 lbs
27Ethylene oxide75-21-8524 lbs0 lbs524 lbs
28Acetaldehyde75-07-0496 lbs0 lbs496 lbs
29tert-Butyl alcohol75-65-0493 lbs0 lbs493 lbs
30Cobalt compoundsN096455 lbs36 lbs491 lbs
31Chloroacetic acid79-11-8476 lbs0 lbs476 lbs
32Methyl methacrylate80-62-6387 lbs0 lbs387 lbs
33Ethylbenzene100-41-4275 lbs0 lbs275 lbs
34Dimethylamine124-40-3228 lbs0 lbs228 lbs
35Acrylic acid79-10-7186 lbs0 lbs186 lbs
36Maleic anhydride108-31-6178 lbs0 lbs178 lbs
37Formaldehyde50-00-0154 lbs0 lbs154 lbs
381,4-Dioxane123-91-1126 lbs0 lbs126 lbs
39Ethyl chloroformate541-41-3120 lbs0 lbs120 lbs
40Diphenylamine122-39-4105 lbs0 lbs105 lbs
411,2,4-Trimethylbenzene95-63-699 lbs0 lbs99 lbs
42Dicyclopentadiene77-73-697 lbs0 lbs97 lbs
43Allyl alcohol107-18-696 lbs0 lbs96 lbs
44sec-Butyl alcohol78-92-293 lbs0 lbs93 lbs
45Cobalt And Cobalt CompoundsN09682 lbs8 lbs90 lbs
46Nickel And Nickel CompoundsN49582 lbs8 lbs90 lbs
471,2-Butylene oxide106-88-752 lbs0 lbs52 lbs
48Hydrazine302-01-239 lbs0 lbs39 lbs
49Benzoyl chloride98-88-433 lbs0 lbs33 lbs
50Phosgene75-44-527 lbs0 lbs27 lbs
51Ethylene glycol107-21-122 lbs0 lbs22 lbs
52Lead And Lead CompoundsN42016 lbs1 lbs17 lbs
53Methyl chlorocarbonate79-22-113 lbs0 lbs13 lbs
54Naphthalene91-20-312 lbs0 lbs12 lbs
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