Complete Property Analysis

Environmental risk, tax analysis, and property details for 1920 S 16th St, La Porte, TX 77571

HCAD #1292170050011

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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

1920 S 16th St, La Porte, TX 77571

Elevation

12.01 ft

Height above sea level from USGS data.

FEMA Flood Zone

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)

21.85 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)

Vacant lot (no building data).

Depth-Damage (Neighborhood)

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.

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.

Special Flood Hazard Area (SFHA): Flood insurance required for federally backed mortgages

Obtain an Elevation Certificate to determine accurate flood insurance premiums

Property elevation currently above simulated flood level

Maintain flood insurance coverage as required in Special Flood Hazard Areas

Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries

Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information

🏭Industrial Pollution Exposure

8.9th percentile

Property Pollution Ranking

Very High

Higher pollution than 91% of Houston homes

Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.

Industrial Pollution Nearby (10 Years)

10.13 millionlbs

Extremely High

1552.3x more than typical Houston property

≈ 506 dump trucks of chemicals within 2 miles

Air Pollution (10 Years)

10.1 millionlbs

Extremely High

2093.6x more than typical Houston property

Includes fugitive emissions (leaks) and stack emissions (smokestacks).

Water Pollution (10 Years)

31 thousandlbs

Extremely High

Discharges to bayous, streams, and drainage systems.

Facilities Nearby

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.

Period	Total	Air	Water
Typical Houston Property (2014-2024)	6,524 lbs	4,822 lbs	0 lbs
This Property (2014-2024)	10,127,495 lbs	10,096,168 lbs	31,327 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs	0 lbs
This Property (2024 Only)	877,142 lbs	873,798 lbs	3,344 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

70-79th

5.8%

80-89th

4.3%

90-100thLowest Pollution

34.2%

Higher pollution than 91% of Houston homes

Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 0-9th percentile (top 10% most polluted).

📋

Top chemicals released near this property (past 10 years):
Ethylene, n-Hexane, Methanol, Ammonia, tert-Butyl alcohol
View the full list of 100 chemicals below.

Chemicals Released (2014-2024, 10-Year Total)(100 chemicals)

#	Chemical	CAS#	Air (lbs/10yr)	Water (lbs/10yr)	Total (lbs/10yr)
1	Ethylene	74-85-1	1,301,001 lbs	0 lbs	1,301,001 lbs
2	n-Hexane	110-54-3	1,277,126 lbs	0 lbs	1,277,126 lbs
3	Methanol	67-56-1	1,209,363 lbs	55 lbs	1,209,418 lbs
4	Ammonia	7664-41-7	1,104,633 lbs	123 lbs	1,104,776 lbs
5	tert-Butyl alcohol	75-65-0	757,361 lbs	0 lbs	757,361 lbs
6	Toluene	108-88-3	726,448 lbs	0 lbs	726,448 lbs
7	Propylene	115-07-1	659,958 lbs	0 lbs	659,958 lbs
8	Vinyl acetate	108-05-4	659,074 lbs	0 lbs	659,074 lbs
9	Nitric acid	7697-37-2	399,509 lbs	55 lbs	399,589 lbs
10	Propylene oxide	75-56-9	310,435 lbs	0 lbs	310,435 lbs
11	Titanium tetrachloride	7550-45-0	108,195 lbs	0 lbs	108,195 lbs
12	1,3-Butadiene	106-99-0	103,203 lbs	0 lbs	103,203 lbs
13	Acrylic acid	79-10-7	103,139 lbs	0 lbs	103,139 lbs
14	Cyclohexane	110-82-7	103,018 lbs	0 lbs	103,018 lbs
15	Acetaldehyde	75-07-0	97,287 lbs	0 lbs	97,287 lbs
16	Molybdenum trioxide	1313-27-5	88,723 lbs	3,227 lbs	91,965 lbs
17	n-Butyl alcohol	71-36-3	91,365 lbs	0 lbs	91,365 lbs
18	Acrylonitrile	107-13-1	83,639 lbs	0 lbs	83,639 lbs
19	Ethylene glycol	107-21-1	75,047 lbs	0 lbs	75,047 lbs
20	Methyl methacrylate	80-62-6	62,768 lbs	0 lbs	63,040 lbs
21	Ethylene oxide	75-21-8	59,684 lbs	0 lbs	59,684 lbs
22	Isoprene	78-79-5	51,809 lbs	0 lbs	51,809 lbs
23	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	50,961 lbs	0 lbs	50,961 lbs
24	Hydroquinone	123-31-9	44,758 lbs	0 lbs	44,758 lbs
25	Butyl acrylate	141-32-2	42,511 lbs	0 lbs	42,511 lbs
26	Chlorodifluoromethane (HCFC-22)	75-45-6	38,792 lbs	0 lbs	38,792 lbs
27	Xylene (mixed isomers)	1330-20-7	37,537 lbs	0 lbs	37,537 lbs
28	Ethyl acrylate	140-88-5	37,048 lbs	0 lbs	37,048 lbs
29	Certain glycol ethers	N230	36,977 lbs	0 lbs	36,977 lbs
30	Methyl isobutyl ketone	108-10-1	36,313 lbs	0 lbs	36,313 lbs
31	Hydrogen sulfide	7783-06-4	31,678 lbs	0 lbs	31,678 lbs
32	Cumene	98-82-8	31,557 lbs	0 lbs	31,557 lbs
33	Phenol	108-95-2	30,497 lbs	0 lbs	30,497 lbs
34	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	30 lbs	24,402 lbs	24,447 lbs
35	Benzene	71-43-2	24,344 lbs	0 lbs	24,344 lbs
36	Methyl acrylate	96-33-3	23,024 lbs	0 lbs	23,024 lbs
37	Dicyclopentadiene	77-73-6	21,187 lbs	0 lbs	21,187 lbs
38	Styrene	100-42-5	20,372 lbs	0 lbs	20,503 lbs
39	Nickel compounds	N495	13,184 lbs	1,926 lbs	15,124 lbs
40	Chlorine	7782-50-5	12,676 lbs	0 lbs	12,676 lbs
41	Maleic anhydride	108-31-6	10,738 lbs	0 lbs	10,738 lbs
42	Formaldehyde	50-00-0	9,909 lbs	102 lbs	10,011 lbs
43	Epichlorohydrin	106-89-8	8,484 lbs	0 lbs	8,484 lbs
44	Dimethylamine	124-40-3	7,773 lbs	0 lbs	7,773 lbs
45	Nickel And Nickel Compounds	N495	7,116 lbs	137 lbs	7,253 lbs
46	Cobalt compounds	N096	6,325 lbs	886 lbs	7,226 lbs
47	Naphthalene	91-20-3	6,340 lbs	0 lbs	6,340 lbs
48	Ethylbenzene	100-41-4	6,113 lbs	0 lbs	6,113 lbs
49	Diphenylamine	122-39-4	5,851 lbs	0 lbs	5,851 lbs
50	1,2,4-Trimethylbenzene	95-63-6	5,799 lbs	0 lbs	5,799 lbs
51	Dibutyl phthalate	84-74-2	5,792 lbs	0 lbs	5,792 lbs
52	Cobalt And Cobalt Compounds	N096	5,292 lbs	42 lbs	5,334 lbs
53	Methyl iodide	74-88-4	5,089 lbs	0 lbs	5,089 lbs
54	Chloroacetic acid	79-11-8	4,175 lbs	0 lbs	4,175 lbs
55	Propyleneimine	75-55-8	3,701 lbs	0 lbs	3,701 lbs
56	Allyl alcohol	107-18-6	3,389 lbs	0 lbs	3,389 lbs
57	Formic acid	64-18-6	2,777 lbs	0 lbs	2,777 lbs
58	1,4-Dioxane	123-91-1	2,644 lbs	0 lbs	2,644 lbs
59	1,2-Butylene oxide	106-88-7	2,348 lbs	0 lbs	2,348 lbs
60	Acrolein	107-02-8	2,268 lbs	0 lbs	2,268 lbs
61	Vanadium compounds	N770	2,177 lbs	0 lbs	2,177 lbs
62	Nonylphenol	N530	1,974 lbs	0 lbs	1,974 lbs
63	Phosgene	75-44-5	1,958 lbs	0 lbs	1,958 lbs
64	Vanadium (except when contained in an alloy)	7440-62-2	1,691 lbs	0 lbs	1,691 lbs
65	Ethyl chloroformate	541-41-3	1,467 lbs	0 lbs	1,467 lbs
66	Methyl chlorocarbonate	79-22-1	1,449 lbs	0 lbs	1,449 lbs
67	sec-Butyl alcohol	78-92-2	1,434 lbs	0 lbs	1,434 lbs
68	o-Xylene	95-47-6	815 lbs	0 lbs	815 lbs
69	Nonylphenol Ethoxylates	N535	773 lbs	0 lbs	773 lbs
70	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7664-93-9	597 lbs	0 lbs	597 lbs
71	Chlorobenzene	108-90-7	559 lbs	0 lbs	559 lbs
72	N,N-Dimethylformamide	68-12-2	545 lbs	0 lbs	545 lbs
73	Benzoyl chloride	98-88-4	469 lbs	0 lbs	469 lbs
74	Hydrazine	302-01-2	437 lbs	0 lbs	437 lbs
75	Zinc compounds	N982	53 lbs	266 lbs	319 lbs
76	Benzyl chloride	100-44-7	228 lbs	0 lbs	228 lbs
77	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
78	Lead And Lead Compounds	N420	211 lbs	10 lbs	221 lbs
79	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	N040	145 lbs	30 lbs	175 lbs
80	Copper compounds	N100	132 lbs	24 lbs	156 lbs
81	Lead compounds	N420	138 lbs	4 lbs	142 lbs
82	Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)	N090	101 lbs	14 lbs	115 lbs
83	Diethanolamine	111-42-2	106 lbs	0 lbs	106 lbs
84	Diethyl sulfate	64-67-5	85 lbs	0 lbs	85 lbs
85	Chloromethane	74-87-3	51 lbs	0 lbs	51 lbs
86	Phthalic anhydride	85-44-9	40 lbs	0 lbs	40 lbs
87	Antimony compounds	N010	20 lbs	15 lbs	35 lbs
88	Chromium compounds (except for chromite ore mined in the Transvaal Region)	N090	29 lbs	4 lbs	33 lbs
89	Acetonitrile	75-05-8	33 lbs	0 lbs	33 lbs
90	Bis(2-chloroethyl) ether	111-44-4	29 lbs	0 lbs	29 lbs
91	2,4-Dimethylphenol	105-67-9	17 lbs	0 lbs	17 lbs
92	Triethylamine	121-44-8	10 lbs	0 lbs	15 lbs
93	Antimony And Antimony Compounds	N010	5 lbs	5 lbs	10 lbs
94	Manganese And Manganese Compounds	N450	3 lbs	0 lbs	3 lbs
95	Cumene hydroperoxide	80-15-9	2 lbs	0 lbs	2 lbs
96	1,3-Phenylenediamine	108-45-2	2 lbs	0 lbs	2 lbs
97	Lead	7439-92-1	2 lbs	0 lbs	2 lbs
98	Biphenyl	92-52-4	2 lbs	0 lbs	2 lbs
99	Nickel	7440-02-0	2 lbs	0 lbs	2 lbs
100	Boron trifluoride	7637-07-2	1 lbs	0 lbs	1 lbs

📋

Top chemicals released near this property (2024 only):
Ethylene, n-Hexane, Ammonia, tert-Butyl alcohol, Methanol
View the full list of 74 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only)(74 chemicals)

#	Chemical	CAS#	Air (lbs/yr)	Water (lbs/yr)	Total (lbs/yr)
1	Ethylene	74-85-1	150,272 lbs	0 lbs	150,272 lbs
2	n-Hexane	110-54-3	139,020 lbs	0 lbs	139,020 lbs
3	Ammonia	7664-41-7	112,965 lbs	5 lbs	112,970 lbs
4	tert-Butyl alcohol	75-65-0	102,164 lbs	0 lbs	102,164 lbs
5	Methanol	67-56-1	61,736 lbs	5 lbs	61,741 lbs
6	Propylene	115-07-1	50,545 lbs	0 lbs	50,545 lbs
7	Toluene	108-88-3	40,652 lbs	0 lbs	40,652 lbs
8	Vinyl acetate	108-05-4	33,123 lbs	0 lbs	33,123 lbs
9	Propylene oxide	75-56-9	23,122 lbs	0 lbs	23,122 lbs
10	Ethylene glycol	107-21-1	14,412 lbs	0 lbs	14,412 lbs
11	Methyl methacrylate	80-62-6	12,693 lbs	0 lbs	12,693 lbs
12	Isoprene	78-79-5	12,309 lbs	0 lbs	12,309 lbs
13	Acrylic acid	79-10-7	11,887 lbs	0 lbs	11,887 lbs
14	Titanium tetrachloride	7550-45-0	10,755 lbs	0 lbs	10,755 lbs
15	Nitric acid	7697-37-2	10,340 lbs	5 lbs	10,345 lbs
16	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	8,214 lbs	0 lbs	8,214 lbs
17	Molybdenum trioxide	1313-27-5	7,727 lbs	482 lbs	8,209 lbs
18	Cyclohexane	110-82-7	8,125 lbs	0 lbs	8,125 lbs
19	Hydroquinone	123-31-9	6,585 lbs	0 lbs	6,585 lbs
20	Acetaldehyde	75-07-0	4,543 lbs	0 lbs	4,543 lbs
21	1,3-Butadiene	106-99-0	4,450 lbs	0 lbs	4,450 lbs
22	Ethylene oxide	75-21-8	4,057 lbs	0 lbs	4,057 lbs
23	Methyl isobutyl ketone	108-10-1	3,997 lbs	0 lbs	3,997 lbs
24	Hydrogen sulfide	7783-06-4	3,596 lbs	0 lbs	3,596 lbs
25	Ethyl acrylate	140-88-5	3,477 lbs	0 lbs	3,477 lbs
26	Methyl acrylate	96-33-3	2,867 lbs	0 lbs	2,867 lbs
27	Butyl acrylate	141-32-2	2,678 lbs	0 lbs	2,678 lbs
28	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0 lbs	2,660 lbs	2,660 lbs
29	Cumene	98-82-8	2,616 lbs	0 lbs	2,616 lbs
30	Dicyclopentadiene	77-73-6	2,465 lbs	0 lbs	2,465 lbs
31	Benzene	71-43-2	2,139 lbs	0 lbs	2,139 lbs
32	Phenol	108-95-2	1,875 lbs	0 lbs	1,875 lbs
33	Maleic anhydride	108-31-6	1,730 lbs	0 lbs	1,730 lbs
34	n-Butyl alcohol	71-36-3	1,639 lbs	0 lbs	1,639 lbs
35	Styrene	100-42-5	1,383 lbs	0 lbs	1,383 lbs
36	Xylene (mixed isomers)	1330-20-7	1,309 lbs	0 lbs	1,309 lbs
37	Acrolein	107-02-8	1,224 lbs	0 lbs	1,224 lbs
38	Nickel compounds	N495	1,017 lbs	108 lbs	1,125 lbs
39	Formaldehyde	50-00-0	1,111 lbs	0 lbs	1,111 lbs
40	Chlorine	7782-50-5	961 lbs	0 lbs	961 lbs
41	Methyl iodide	74-88-4	958 lbs	0 lbs	958 lbs
42	1,2,4-Trimethylbenzene	95-63-6	698 lbs	0 lbs	698 lbs
43	Epichlorohydrin	106-89-8	643 lbs	0 lbs	643 lbs
44	Nonylphenol	N530	551 lbs	0 lbs	551 lbs
45	Naphthalene	91-20-3	538 lbs	0 lbs	538 lbs
46	Dibutyl phthalate	84-74-2	496 lbs	0 lbs	496 lbs
47	Certain glycol ethers	N230	493 lbs	0 lbs	493 lbs
48	Cobalt compounds	N096	455 lbs	36 lbs	491 lbs
49	Chloroacetic acid	79-11-8	476 lbs	0 lbs	476 lbs
50	Nickel And Nickel Compounds	N495	423 lbs	34 lbs	457 lbs
51	Ethylbenzene	100-41-4	369 lbs	0 lbs	369 lbs
52	Dimethylamine	124-40-3	228 lbs	0 lbs	228 lbs
53	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
54	Cobalt And Cobalt Compounds	N096	182 lbs	8 lbs	190 lbs
55	Vanadium (except when contained in an alloy)	7440-62-2	170 lbs	0 lbs	170 lbs
56	1,4-Dioxane	123-91-1	126 lbs	0 lbs	126 lbs
57	Ethyl chloroformate	541-41-3	120 lbs	0 lbs	120 lbs
58	Benzyl chloride	100-44-7	119 lbs	0 lbs	119 lbs
59	Diphenylamine	122-39-4	105 lbs	0 lbs	105 lbs
60	Chlorobenzene	108-90-7	100 lbs	0 lbs	100 lbs
61	Allyl alcohol	107-18-6	96 lbs	0 lbs	96 lbs
62	sec-Butyl alcohol	78-92-2	93 lbs	0 lbs	93 lbs
63	Vanadium compounds	N770	67 lbs	0 lbs	67 lbs
64	1,2-Butylene oxide	106-88-7	52 lbs	0 lbs	52 lbs
65	Hydrazine	302-01-2	39 lbs	0 lbs	39 lbs
66	N,N-Dimethylformamide	68-12-2	39 lbs	0 lbs	39 lbs
67	Benzoyl chloride	98-88-4	33 lbs	0 lbs	33 lbs
68	Propyleneimine	75-55-8	32 lbs	0 lbs	32 lbs
69	Phosgene	75-44-5	27 lbs	0 lbs	27 lbs
70	Acetonitrile	75-05-8	24 lbs	0 lbs	24 lbs
71	Lead And Lead Compounds	N420	16 lbs	1 lbs	17 lbs
72	Phthalic anhydride	85-44-9	14 lbs	0 lbs	14 lbs
73	Methyl chlorocarbonate	79-22-1	13 lbs	0 lbs	13 lbs
74	Manganese And Manganese Compounds	N450	3 lbs	0 lbs	3 lbs