Complete Property Analysis

Environmental risk, tax analysis, and property details for 1806 S 16th St, La Porte, TX 77571

HCAD #1299350010001

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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

1806 S 16th St, La Porte, TX 77571

Elevation

15.34 ft

Height above sea level from USGS data.

FEMA Flood Zone

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)

25.18 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)

$16,502,073

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.

Minimal flood hazard area - property outside mapped high-risk zones

Flood insurance available at preferred rates - over 25% of claims occur in low-risk 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

10.2th percentile

Property Pollution Ranking

High

Higher pollution than 90% of Houston homes

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

Industrial Pollution Nearby (10 Years)

7.72 millionlbs

Extremely High

1183.4x more than typical Houston property

≈ 386 dump trucks of chemicals within 2 miles

Air Pollution (10 Years)

7.7 millionlbs

Extremely High

1597.6x 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

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)	7,720,937 lbs	7,704,123 lbs	16,814 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs	0 lbs
This Property (2024 Only)	624,966 lbs	623,686 lbs	1,280 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

70-79th

5.8%

80-89th

4.3%

90-100thLowest Pollution

34.2%

Higher pollution than 90% 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, Methanol, Ammonia, Toluene
View the full list of 89 chemicals below.

Chemicals Released (2014-2024, 10-Year Total)(89 chemicals)

#	Chemical	CAS#	Air (lbs/10yr)	Water (lbs/10yr)	Total (lbs/10yr)
1	n-Hexane	110-54-3	1,274,648 lbs	0 lbs	1,274,648 lbs
2	Ethylene	74-85-1	1,120,937 lbs	0 lbs	1,120,937 lbs
3	Methanol	67-56-1	1,008,056 lbs	55 lbs	1,008,111 lbs
4	Ammonia	7664-41-7	1,000,559 lbs	123 lbs	1,000,702 lbs
5	Toluene	108-88-3	683,358 lbs	0 lbs	683,358 lbs
6	Vinyl acetate	108-05-4	659,074 lbs	0 lbs	659,074 lbs
7	Nitric acid	7697-37-2	398,872 lbs	55 lbs	398,952 lbs
8	Propylene	115-07-1	109,544 lbs	0 lbs	109,544 lbs
9	Titanium tetrachloride	7550-45-0	108,195 lbs	0 lbs	108,195 lbs
10	Acrylic acid	79-10-7	103,139 lbs	0 lbs	103,139 lbs
11	Cyclohexane	110-82-7	103,018 lbs	0 lbs	103,018 lbs
12	Acetaldehyde	75-07-0	96,270 lbs	0 lbs	96,270 lbs
13	Propylene oxide	75-56-9	95,710 lbs	0 lbs	95,710 lbs
14	Acrylonitrile	107-13-1	83,639 lbs	0 lbs	83,639 lbs
15	n-Butyl alcohol	71-36-3	80,172 lbs	0 lbs	80,172 lbs
16	Ethylene glycol	107-21-1	69,564 lbs	0 lbs	69,564 lbs
17	Ethylene oxide	75-21-8	57,625 lbs	0 lbs	57,625 lbs
18	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
19	Hydroquinone	123-31-9	44,758 lbs	0 lbs	44,758 lbs
20	Butyl acrylate	141-32-2	42,511 lbs	0 lbs	42,511 lbs
21	Molybdenum trioxide	1313-27-5	37,655 lbs	3,227 lbs	40,897 lbs
22	Chlorodifluoromethane (HCFC-22)	75-45-6	38,792 lbs	0 lbs	38,792 lbs
23	Ethyl acrylate	140-88-5	37,048 lbs	0 lbs	37,048 lbs
24	Certain glycol ethers	N230	36,977 lbs	0 lbs	36,977 lbs
25	Methyl isobutyl ketone	108-10-1	36,313 lbs	0 lbs	36,313 lbs
26	Hydrogen sulfide	7783-06-4	31,678 lbs	0 lbs	31,678 lbs
27	Cumene	98-82-8	31,188 lbs	0 lbs	31,188 lbs
28	Phenol	108-95-2	30,497 lbs	0 lbs	30,497 lbs
29	Xylene (mixed isomers)	1330-20-7	25,320 lbs	0 lbs	25,320 lbs
30	Methyl acrylate	96-33-3	23,024 lbs	0 lbs	23,024 lbs
31	Styrene	100-42-5	17,954 lbs	0 lbs	17,954 lbs
32	Isoprene	78-79-5	15,828 lbs	0 lbs	15,828 lbs
33	Nickel compounds	N495	11,795 lbs	1,905 lbs	13,715 lbs
34	Chlorine	7782-50-5	12,676 lbs	0 lbs	12,676 lbs
35	1,3-Butadiene	106-99-0	12,674 lbs	0 lbs	12,674 lbs
36	Benzene	71-43-2	10,536 lbs	0 lbs	10,536 lbs
37	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	30 lbs	10,255 lbs	10,300 lbs
38	Formaldehyde	50-00-0	9,770 lbs	102 lbs	9,872 lbs
39	Epichlorohydrin	106-89-8	7,484 lbs	0 lbs	7,484 lbs
40	tert-Butyl alcohol	75-65-0	6,837 lbs	0 lbs	6,837 lbs
41	Cobalt compounds	N096	5,871 lbs	886 lbs	6,772 lbs
42	Ethylbenzene	100-41-4	6,035 lbs	0 lbs	6,035 lbs
43	Diphenylamine	122-39-4	5,851 lbs	0 lbs	5,851 lbs
44	Dibutyl phthalate	84-74-2	5,792 lbs	0 lbs	5,792 lbs
45	1,2,4-Trimethylbenzene	95-63-6	5,539 lbs	0 lbs	5,539 lbs
46	Methyl iodide	74-88-4	5,089 lbs	0 lbs	5,089 lbs
47	Nickel And Nickel Compounds	N495	4,878 lbs	62 lbs	4,940 lbs
48	Cobalt And Cobalt Compounds	N096	4,551 lbs	42 lbs	4,593 lbs
49	Chloroacetic acid	79-11-8	4,175 lbs	0 lbs	4,175 lbs
50	Allyl alcohol	107-18-6	3,389 lbs	0 lbs	3,389 lbs
51	Methyl methacrylate	80-62-6	3,052 lbs	0 lbs	3,052 lbs
52	1,4-Dioxane	123-91-1	2,644 lbs	0 lbs	2,644 lbs
53	1,2-Butylene oxide	106-88-7	2,348 lbs	0 lbs	2,348 lbs
54	Acrolein	107-02-8	2,268 lbs	0 lbs	2,268 lbs
55	Dimethylamine	124-40-3	2,009 lbs	0 lbs	2,009 lbs
56	Nonylphenol	N530	1,974 lbs	0 lbs	1,974 lbs
57	Phosgene	75-44-5	1,958 lbs	0 lbs	1,958 lbs
58	Naphthalene	91-20-3	1,668 lbs	0 lbs	1,668 lbs
59	Ethyl chloroformate	541-41-3	1,467 lbs	0 lbs	1,467 lbs
60	Methyl chlorocarbonate	79-22-1	1,449 lbs	0 lbs	1,449 lbs
61	sec-Butyl alcohol	78-92-2	1,434 lbs	0 lbs	1,434 lbs
62	Dicyclopentadiene	77-73-6	1,178 lbs	0 lbs	1,178 lbs
63	Maleic anhydride	108-31-6	966 lbs	0 lbs	966 lbs
64	Nonylphenol Ethoxylates	N535	773 lbs	0 lbs	773 lbs
65	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
66	Benzoyl chloride	98-88-4	469 lbs	0 lbs	469 lbs
67	Hydrazine	302-01-2	437 lbs	0 lbs	437 lbs
68	Benzyl chloride	100-44-7	228 lbs	0 lbs	228 lbs
69	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
70	Lead And Lead Compounds	N420	211 lbs	10 lbs	221 lbs
71	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	N040	145 lbs	30 lbs	175 lbs
72	Lead compounds	N420	138 lbs	4 lbs	142 lbs
73	Copper compounds	N100	132 lbs	6 lbs	138 lbs
74	Diethanolamine	111-42-2	106 lbs	0 lbs	106 lbs
75	Diethyl sulfate	64-67-5	85 lbs	0 lbs	85 lbs
76	Zinc compounds	N982	48 lbs	33 lbs	81 lbs
77	Chloromethane	74-87-3	51 lbs	0 lbs	51 lbs
78	Phthalic anhydride	85-44-9	40 lbs	0 lbs	40 lbs
79	Antimony compounds	N010	20 lbs	15 lbs	35 lbs
80	N,N-Dimethylformamide	68-12-2	34 lbs	0 lbs	34 lbs
81	Acetonitrile	75-05-8	33 lbs	0 lbs	33 lbs
82	Bis(2-chloroethyl) ether	111-44-4	29 lbs	0 lbs	29 lbs
83	Formic acid	64-18-6	22 lbs	0 lbs	22 lbs
84	2,4-Dimethylphenol	105-67-9	17 lbs	0 lbs	17 lbs
85	Antimony And Antimony Compounds	N010	5 lbs	5 lbs	10 lbs
86	Manganese And Manganese Compounds	N450	3 lbs	0 lbs	3 lbs
87	Cumene hydroperoxide	80-15-9	2 lbs	0 lbs	2 lbs
88	1,3-Phenylenediamine	108-45-2	2 lbs	0 lbs	2 lbs
89	Boron trifluoride	7637-07-2	1 lbs	0 lbs	1 lbs

📋

Top chemicals released near this property (2024 only):
n-Hexane, Ethylene, Ammonia, Methanol, Toluene
View the full list of 69 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only)(69 chemicals)

#	Chemical	CAS#	Air (lbs/yr)	Water (lbs/yr)	Total (lbs/yr)
1	n-Hexane	110-54-3	136,542 lbs	0 lbs	136,542 lbs
2	Ethylene	74-85-1	117,900 lbs	0 lbs	117,900 lbs
3	Ammonia	7664-41-7	109,352 lbs	5 lbs	109,357 lbs
4	Methanol	67-56-1	52,924 lbs	5 lbs	52,929 lbs
5	Toluene	108-88-3	38,473 lbs	0 lbs	38,473 lbs
6	Vinyl acetate	108-05-4	33,123 lbs	0 lbs	33,123 lbs
7	Propylene	115-07-1	13,046 lbs	0 lbs	13,046 lbs
8	Acrylic acid	79-10-7	11,887 lbs	0 lbs	11,887 lbs
9	Titanium tetrachloride	7550-45-0	10,755 lbs	0 lbs	10,755 lbs
10	Nitric acid	7697-37-2	9,707 lbs	5 lbs	9,712 lbs
11	Ethylene glycol	107-21-1	8,929 lbs	0 lbs	8,929 lbs
12	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
13	Cyclohexane	110-82-7	8,125 lbs	0 lbs	8,125 lbs
14	Propylene oxide	75-56-9	7,975 lbs	0 lbs	7,975 lbs
15	Hydroquinone	123-31-9	6,585 lbs	0 lbs	6,585 lbs
16	Acetaldehyde	75-07-0	4,031 lbs	0 lbs	4,031 lbs
17	Methyl isobutyl ketone	108-10-1	3,997 lbs	0 lbs	3,997 lbs
18	Hydrogen sulfide	7783-06-4	3,596 lbs	0 lbs	3,596 lbs
19	Ethyl acrylate	140-88-5	3,477 lbs	0 lbs	3,477 lbs
20	Molybdenum trioxide	1313-27-5	2,770 lbs	482 lbs	3,252 lbs
21	Methyl acrylate	96-33-3	2,867 lbs	0 lbs	2,867 lbs
22	Butyl acrylate	141-32-2	2,678 lbs	0 lbs	2,678 lbs
23	Cumene	98-82-8	2,616 lbs	0 lbs	2,616 lbs
24	Isoprene	78-79-5	2,125 lbs	0 lbs	2,125 lbs
25	Ethylene oxide	75-21-8	1,998 lbs	0 lbs	1,998 lbs
26	Phenol	108-95-2	1,875 lbs	0 lbs	1,875 lbs
27	n-Butyl alcohol	71-36-3	1,639 lbs	0 lbs	1,639 lbs
28	Acrolein	107-02-8	1,224 lbs	0 lbs	1,224 lbs
29	1,3-Butadiene	106-99-0	1,187 lbs	0 lbs	1,187 lbs
30	Nickel compounds	N495	1,017 lbs	108 lbs	1,125 lbs
31	Formaldehyde	50-00-0	1,096 lbs	0 lbs	1,096 lbs
32	Benzene	71-43-2	1,090 lbs	0 lbs	1,090 lbs
33	Xylene (mixed isomers)	1330-20-7	1,086 lbs	0 lbs	1,086 lbs
34	Chlorine	7782-50-5	961 lbs	0 lbs	961 lbs
35	Methyl iodide	74-88-4	958 lbs	0 lbs	958 lbs
36	Styrene	100-42-5	798 lbs	0 lbs	798 lbs
37	1,2,4-Trimethylbenzene	95-63-6	698 lbs	0 lbs	698 lbs
38	Epichlorohydrin	106-89-8	643 lbs	0 lbs	643 lbs
39	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0 lbs	622 lbs	622 lbs
40	Nonylphenol	N530	551 lbs	0 lbs	551 lbs
41	Dibutyl phthalate	84-74-2	496 lbs	0 lbs	496 lbs
42	tert-Butyl alcohol	75-65-0	493 lbs	0 lbs	493 lbs
43	Certain glycol ethers	N230	493 lbs	0 lbs	493 lbs
44	Cobalt compounds	N096	455 lbs	36 lbs	491 lbs
45	Chloroacetic acid	79-11-8	476 lbs	0 lbs	476 lbs
46	Methyl methacrylate	80-62-6	387 lbs	0 lbs	387 lbs
47	Ethylbenzene	100-41-4	369 lbs	0 lbs	369 lbs
48	Naphthalene	91-20-3	235 lbs	0 lbs	235 lbs
49	Dimethylamine	124-40-3	228 lbs	0 lbs	228 lbs
50	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
51	Maleic anhydride	108-31-6	178 lbs	0 lbs	178 lbs
52	1,4-Dioxane	123-91-1	126 lbs	0 lbs	126 lbs
53	Ethyl chloroformate	541-41-3	120 lbs	0 lbs	120 lbs
54	Benzyl chloride	100-44-7	119 lbs	0 lbs	119 lbs
55	Diphenylamine	122-39-4	105 lbs	0 lbs	105 lbs
56	Dicyclopentadiene	77-73-6	97 lbs	0 lbs	97 lbs
57	Allyl alcohol	107-18-6	96 lbs	0 lbs	96 lbs
58	sec-Butyl alcohol	78-92-2	93 lbs	0 lbs	93 lbs
59	Cobalt And Cobalt Compounds	N096	82 lbs	8 lbs	90 lbs
60	Nickel And Nickel Compounds	N495	82 lbs	8 lbs	90 lbs
61	1,2-Butylene oxide	106-88-7	52 lbs	0 lbs	52 lbs
62	Hydrazine	302-01-2	39 lbs	0 lbs	39 lbs
63	Benzoyl chloride	98-88-4	33 lbs	0 lbs	33 lbs
64	Phosgene	75-44-5	27 lbs	0 lbs	27 lbs
65	Acetonitrile	75-05-8	24 lbs	0 lbs	24 lbs
66	Lead And Lead Compounds	N420	16 lbs	1 lbs	17 lbs
67	Phthalic anhydride	85-44-9	14 lbs	0 lbs	14 lbs
68	Methyl chlorocarbonate	79-22-1	13 lbs	0 lbs	13 lbs
69	Manganese And Manganese Compounds	N450	3 lbs	0 lbs	3 lbs