Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 1701 S 16th St, La Porte, TX 77571

HCAD #1292170020001
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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
1701 S 16th St, La Porte, TX 77571
Elevation
15.11 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)
24.96 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)
$25,479,779
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
11.7th 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)
4.77 millionlbs
Extremely High
730.9x more than typical Houston property
≈ 238 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
4.75 millionlbs
Extremely High
985.3x 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)4,768,279 lbs4,751,465 lbs16,814 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)414,999 lbs413,719 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 80 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(80 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1n-Hexane110-54-31,030,724 lbs0 lbs1,030,724 lbs
2Ethylene74-85-1743,892 lbs0 lbs743,892 lbs
3Ammonia7664-41-7692,815 lbs123 lbs692,958 lbs
4Methanol67-56-1444,555 lbs55 lbs444,610 lbs
5Toluene108-88-3431,097 lbs0 lbs431,097 lbs
6Nitric acid7697-37-2398,872 lbs55 lbs398,952 lbs
7Vinyl acetate108-05-4142,721 lbs0 lbs142,721 lbs
8Cyclohexane110-82-7103,018 lbs0 lbs103,018 lbs
9Propylene oxide75-56-995,710 lbs0 lbs95,710 lbs
10Acrylonitrile107-13-183,639 lbs0 lbs83,639 lbs
11n-Butyl alcohol71-36-355,709 lbs0 lbs55,709 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
17Certain glycol ethersN23034,375 lbs0 lbs34,375 lbs
18Hydrogen sulfide7783-06-431,678 lbs0 lbs31,678 lbs
19Cumene98-82-831,188 lbs0 lbs31,188 lbs
20Phenol108-95-230,497 lbs0 lbs30,497 lbs
21Xylene (mixed isomers)1330-20-725,320 lbs0 lbs25,320 lbs
22Styrene100-42-517,954 lbs0 lbs17,954 lbs
23Isoprene78-79-515,828 lbs0 lbs15,828 lbs
24Acetaldehyde75-07-014,843 lbs0 lbs14,843 lbs
25Nickel compoundsN49511,795 lbs1,905 lbs13,715 lbs
26Chlorine7782-50-512,676 lbs0 lbs12,676 lbs
271,3-Butadiene106-99-012,674 lbs0 lbs12,674 lbs
28Benzene71-43-210,536 lbs0 lbs10,536 lbs
29Nitrate compounds (water dissociable; reportable only when in aqueous solution)N51130 lbs10,255 lbs10,300 lbs
30Formaldehyde50-00-07,881 lbs102 lbs7,983 lbs
31tert-Butyl alcohol75-65-06,837 lbs0 lbs6,837 lbs
32Cobalt compoundsN0965,871 lbs886 lbs6,772 lbs
33Ethylbenzene100-41-46,035 lbs0 lbs6,035 lbs
34Diphenylamine122-39-45,851 lbs0 lbs5,851 lbs
351,2,4-Trimethylbenzene95-63-65,539 lbs0 lbs5,539 lbs
36Nickel And Nickel CompoundsN4954,878 lbs62 lbs4,940 lbs
37Cobalt And Cobalt CompoundsN0964,551 lbs42 lbs4,593 lbs
38Chloroacetic acid79-11-84,175 lbs0 lbs4,175 lbs
39Acrylic acid79-10-73,532 lbs0 lbs3,532 lbs
40Allyl alcohol107-18-63,389 lbs0 lbs3,389 lbs
41Methyl methacrylate80-62-63,052 lbs0 lbs3,052 lbs
421,4-Dioxane123-91-12,644 lbs0 lbs2,644 lbs
43Butyl acrylate141-32-22,517 lbs0 lbs2,517 lbs
44Ethylene oxide75-21-82,391 lbs0 lbs2,391 lbs
451,2-Butylene oxide106-88-72,348 lbs0 lbs2,348 lbs
46Dimethylamine124-40-32,009 lbs0 lbs2,009 lbs
47NonylphenolN5301,974 lbs0 lbs1,974 lbs
48Phosgene75-44-51,958 lbs0 lbs1,958 lbs
49Naphthalene91-20-31,668 lbs0 lbs1,668 lbs
50Ethyl chloroformate541-41-31,467 lbs0 lbs1,467 lbs
51Methyl chlorocarbonate79-22-11,449 lbs0 lbs1,449 lbs
52sec-Butyl alcohol78-92-21,434 lbs0 lbs1,434 lbs
53Dicyclopentadiene77-73-61,178 lbs0 lbs1,178 lbs
54Ethylene glycol107-21-11,155 lbs0 lbs1,155 lbs
55Maleic anhydride108-31-6966 lbs0 lbs966 lbs
56Nonylphenol EthoxylatesN535773 lbs0 lbs773 lbs
57Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9597 lbs0 lbs597 lbs
58Benzoyl chloride98-88-4469 lbs0 lbs469 lbs
59Hydrazine302-01-2437 lbs0 lbs437 lbs
60Benzyl chloride100-44-7228 lbs0 lbs228 lbs
61Lead And Lead CompoundsN420211 lbs10 lbs221 lbs
62Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N040145 lbs30 lbs175 lbs
63Lead compoundsN420138 lbs4 lbs142 lbs
64Copper compoundsN100132 lbs6 lbs138 lbs
65Diethanolamine111-42-2106 lbs0 lbs106 lbs
66Diethyl sulfate64-67-585 lbs0 lbs85 lbs
67Zinc compoundsN98248 lbs33 lbs81 lbs
68Chloromethane74-87-351 lbs0 lbs51 lbs
69Epichlorohydrin106-89-842 lbs0 lbs42 lbs
70Antimony compoundsN01020 lbs15 lbs35 lbs
71N,N-Dimethylformamide68-12-234 lbs0 lbs34 lbs
72Acetonitrile75-05-833 lbs0 lbs33 lbs
73Bis(2-chloroethyl) ether111-44-429 lbs0 lbs29 lbs
74Formic acid64-18-621 lbs0 lbs21 lbs
752,4-Dimethylphenol105-67-917 lbs0 lbs17 lbs
76Phthalic anhydride85-44-913 lbs0 lbs13 lbs
77Antimony And Antimony CompoundsN0105 lbs5 lbs10 lbs
78Cumene hydroperoxide80-15-92 lbs0 lbs2 lbs
791,3-Phenylenediamine108-45-22 lbs0 lbs2 lbs
80Boron 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 58 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(58 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
4Methanol67-56-127,504 lbs5 lbs27,509 lbs
5Toluene108-88-314,321 lbs0 lbs14,321 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 oxide75-56-97,975 lbs0 lbs7,975 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
22Xylene (mixed isomers)1330-20-71,086 lbs0 lbs1,086 lbs
23n-Butyl alcohol71-36-31,017 lbs0 lbs1,017 lbs
24Chlorine7782-50-5961 lbs0 lbs961 lbs
25Styrene100-42-5798 lbs0 lbs798 lbs
261,2,4-Trimethylbenzene95-63-6698 lbs0 lbs698 lbs
27Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs622 lbs622 lbs
28NonylphenolN530551 lbs0 lbs551 lbs
29Ethylene oxide75-21-8525 lbs0 lbs525 lbs
30Acetaldehyde75-07-0496 lbs0 lbs496 lbs
31tert-Butyl alcohol75-65-0493 lbs0 lbs493 lbs
32Cobalt compoundsN096455 lbs36 lbs491 lbs
33Chloroacetic acid79-11-8476 lbs0 lbs476 lbs
34Certain glycol ethersN230421 lbs0 lbs421 lbs
35Methyl methacrylate80-62-6387 lbs0 lbs387 lbs
36Ethylbenzene100-41-4369 lbs0 lbs369 lbs
37Formaldehyde50-00-0299 lbs0 lbs299 lbs
38Naphthalene91-20-3235 lbs0 lbs235 lbs
39Dimethylamine124-40-3228 lbs0 lbs228 lbs
40Acrylic acid79-10-7186 lbs0 lbs186 lbs
41Maleic anhydride108-31-6178 lbs0 lbs178 lbs
421,4-Dioxane123-91-1126 lbs0 lbs126 lbs
43Ethyl chloroformate541-41-3120 lbs0 lbs120 lbs
44Benzyl chloride100-44-7119 lbs0 lbs119 lbs
45Ethylene glycol107-21-1106 lbs0 lbs106 lbs
46Diphenylamine122-39-4105 lbs0 lbs105 lbs
47Dicyclopentadiene77-73-697 lbs0 lbs97 lbs
48Allyl alcohol107-18-696 lbs0 lbs96 lbs
49sec-Butyl alcohol78-92-293 lbs0 lbs93 lbs
50Cobalt And Cobalt CompoundsN09682 lbs8 lbs90 lbs
51Nickel And Nickel CompoundsN49582 lbs8 lbs90 lbs
521,2-Butylene oxide106-88-752 lbs0 lbs52 lbs
53Hydrazine302-01-239 lbs0 lbs39 lbs
54Benzoyl chloride98-88-433 lbs0 lbs33 lbs
55Phosgene75-44-527 lbs0 lbs27 lbs
56Acetonitrile75-05-824 lbs0 lbs24 lbs
57Lead And Lead CompoundsN42016 lbs1 lbs17 lbs
58Methyl chlorocarbonate79-22-113 lbs0 lbs13 lbs
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