Complete Property Analysis

Environmental risk, tax analysis, and property details for 9717 Chemical Rd, Pasadena, TX 77507

HCAD #1005150000597

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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

9717 Chemical Rd, Pasadena, TX 77507

Elevation

12.35 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)

22.19 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

8.5th percentile

Property Pollution Ranking

Very High

Higher pollution than 92% of Houston homes

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

Industrial Pollution Nearby (10 Years)

11.11 millionlbs

Extremely High

1703.5x more than typical Houston property

≈ 556 dump trucks of chemicals within 2 miles

Air Pollution (10 Years)

11.08 millionlbs

Extremely High

2298.3x 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)	11,114,127 lbs	11,082,971 lbs	31,157 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs	0 lbs
This Property (2024 Only)	909,272 lbs	905,928 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 92% 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 104 chemicals below.

Chemicals Released (2014-2024, 10-Year Total)(104 chemicals)

#	Chemical	CAS#	Air (lbs/10yr)	Water (lbs/10yr)	Total (lbs/10yr)
1	Ethylene	74-85-1	1,626,883 lbs	0 lbs	1,626,883 lbs
2	n-Hexane	110-54-3	1,414,071 lbs	0 lbs	1,414,071 lbs
3	Methanol	67-56-1	1,344,947 lbs	55 lbs	1,345,002 lbs
4	Ammonia	7664-41-7	1,013,089 lbs	55 lbs	1,013,164 lbs
5	tert-Butyl alcohol	75-65-0	772,466 lbs	0 lbs	772,466 lbs
6	Toluene	108-88-3	732,541 lbs	0 lbs	732,541 lbs
7	Vinyl acetate	108-05-4	659,074 lbs	0 lbs	659,074 lbs
8	Propylene	115-07-1	623,157 lbs	0 lbs	623,157 lbs
9	Nitric acid	7697-37-2	399,509 lbs	55 lbs	399,589 lbs
10	Propylene oxide	75-56-9	310,675 lbs	0 lbs	310,675 lbs
11	Ethylene glycol	107-21-1	181,778 lbs	0 lbs	181,778 lbs
12	1,3-Butadiene	106-99-0	162,212 lbs	0 lbs	162,212 lbs
13	Ethylene oxide	75-21-8	155,527 lbs	0 lbs	155,527 lbs
14	Acetaldehyde	75-07-0	122,615 lbs	0 lbs	122,615 lbs
15	Methyl methacrylate	80-62-6	116,976 lbs	0 lbs	117,248 lbs
16	Butyl acrylate	141-32-2	115,129 lbs	0 lbs	115,129 lbs
17	n-Butyl alcohol	71-36-3	111,439 lbs	0 lbs	111,439 lbs
18	Titanium tetrachloride	7550-45-0	108,195 lbs	0 lbs	108,195 lbs
19	Cyclohexane	110-82-7	102,641 lbs	0 lbs	102,641 lbs
20	Acrylic acid	79-10-7	100,155 lbs	0 lbs	100,155 lbs
21	Molybdenum trioxide	1313-27-5	88,723 lbs	3,227 lbs	91,965 lbs
22	N,N-Dimethylformamide	68-12-2	86,962 lbs	0 lbs	86,962 lbs
23	Acrylonitrile	107-13-1	84,499 lbs	0 lbs	84,499 lbs
24	Styrene	100-42-5	82,858 lbs	0 lbs	82,989 lbs
25	Certain glycol ethers	N230	74,065 lbs	0 lbs	74,065 lbs
26	Isoprene	78-79-5	51,809 lbs	0 lbs	51,809 lbs
27	Chlorodifluoromethane (HCFC-22)	75-45-6	38,792 lbs	0 lbs	38,792 lbs
28	Ethyl acrylate	140-88-5	37,097 lbs	0 lbs	37,097 lbs
29	Xylene (mixed isomers)	1330-20-7	36,663 lbs	0 lbs	36,663 lbs
30	Hydrogen sulfide	7783-06-4	31,678 lbs	0 lbs	31,678 lbs
31	Phenol	108-95-2	30,497 lbs	0 lbs	30,497 lbs
32	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	75 lbs	24,402 lbs	24,492 lbs
33	Methyl acrylate	96-33-3	23,024 lbs	0 lbs	23,024 lbs
34	Dicyclopentadiene	77-73-6	21,187 lbs	0 lbs	21,187 lbs
35	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	17,903 lbs	0 lbs	17,903 lbs
36	Chlorine	7782-50-5	17,378 lbs	0 lbs	17,378 lbs
37	Nickel compounds	N495	13,184 lbs	1,926 lbs	15,124 lbs
38	Benzene	71-43-2	13,808 lbs	0 lbs	13,808 lbs
39	2-Methoxyethanol	109-86-4	11,669 lbs	0 lbs	11,669 lbs
40	Maleic anhydride	108-31-6	10,737 lbs	0 lbs	10,737 lbs
41	Formaldehyde	50-00-0	9,888 lbs	0 lbs	9,888 lbs
42	Chloroethane	75-00-3	9,070 lbs	0 lbs	9,070 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	6,405 lbs	0 lbs	6,405 lbs
48	2-Ethoxyethanol	110-80-5	6,044 lbs	0 lbs	6,044 lbs
49	Ethylbenzene	100-41-4	6,019 lbs	0 lbs	6,019 lbs
50	Dibutyl phthalate	84-74-2	5,792 lbs	0 lbs	5,792 lbs
51	Cumene	98-82-8	5,375 lbs	0 lbs	5,375 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	Diphenylamine	122-39-4	4,854 lbs	0 lbs	4,854 lbs
55	1,2,4-Trimethylbenzene	95-63-6	4,846 lbs	0 lbs	4,846 lbs
56	Propyleneimine	75-55-8	3,701 lbs	0 lbs	3,701 lbs
57	Allyl alcohol	107-18-6	3,399 lbs	0 lbs	3,399 lbs
58	Vanadium compounds	N770	3,122 lbs	0 lbs	3,137 lbs
59	Formic acid	64-18-6	2,914 lbs	0 lbs	2,914 lbs
60	Acetonitrile	75-05-8	2,760 lbs	0 lbs	2,760 lbs
61	Zinc compounds	N982	2,387 lbs	266 lbs	2,653 lbs
62	1,4-Dioxane	123-91-1	2,644 lbs	0 lbs	2,644 lbs
63	1,2-Butylene oxide	106-88-7	2,348 lbs	0 lbs	2,348 lbs
64	Acrolein	107-02-8	2,268 lbs	0 lbs	2,268 lbs
65	Hydroquinone	123-31-9	2,263 lbs	0 lbs	2,263 lbs
66	Nonylphenol	N530	1,974 lbs	0 lbs	1,974 lbs
67	Vanadium (except when contained in an alloy)	7440-62-2	1,691 lbs	0 lbs	1,691 lbs
68	Allyl chloride	107-05-1	1,277 lbs	0 lbs	1,277 lbs
69	o-Xylene	95-47-6	815 lbs	0 lbs	815 lbs
70	Nonylphenol Ethoxylates	N535	773 lbs	0 lbs	773 lbs
71	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
72	Chlorobenzene	108-90-7	583 lbs	0 lbs	583 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	Diethanolamine	111-42-2	414 lbs	0 lbs	414 lbs
76	Phosphorus (yellow or white)	12185-10-3	250 lbs	0 lbs	250 lbs
77	Benzyl chloride	100-44-7	228 lbs	0 lbs	228 lbs
78	Lead And Lead Compounds	N420	213 lbs	10 lbs	222 lbs
79	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
80	Butyraldehyde	123-72-8	186 lbs	0 lbs	186 lbs
81	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	N040	145 lbs	30 lbs	175 lbs
82	Copper compounds	N100	132 lbs	24 lbs	156 lbs
83	Lead compounds	N420	140 lbs	4 lbs	144 lbs
84	4,4'-Isopropylidenediphenol	80-05-7	141 lbs	0 lbs	141 lbs
85	Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)	N090	101 lbs	14 lbs	115 lbs
86	Diethyl sulfate	64-67-5	85 lbs	0 lbs	85 lbs
87	Phthalic anhydride	85-44-9	40 lbs	0 lbs	40 lbs
88	Antimony compounds	N010	20 lbs	15 lbs	35 lbs
89	Chromium compounds (except for chromite ore mined in the Transvaal Region)	N090	29 lbs	4 lbs	33 lbs
90	Sodium nitrite	7632-00-0	33 lbs	0 lbs	33 lbs
91	Cumene hydroperoxide	80-15-9	26 lbs	0 lbs	26 lbs
92	Bis(2-chloroethyl) ether	111-44-4	26 lbs	0 lbs	26 lbs
93	2,4-Dimethylphenol	105-67-9	17 lbs	0 lbs	17 lbs
94	Triethylamine	121-44-8	10 lbs	0 lbs	15 lbs
95	Pyridine	110-86-1	10 lbs	0 lbs	10 lbs
96	Antimony And Antimony Compounds	N010	5 lbs	5 lbs	10 lbs
97	4,4'-Diaminodiphenyl ether	101-80-4	6 lbs	0 lbs	6 lbs
98	Manganese And Manganese Compounds	N450	3 lbs	0 lbs	3 lbs
99	1,3-Phenylenediamine	108-45-2	2 lbs	0 lbs	2 lbs
100	Lead	7439-92-1	2 lbs	0 lbs	2 lbs
101	Biphenyl	92-52-4	2 lbs	0 lbs	2 lbs
102	Nickel	7440-02-0	2 lbs	0 lbs	2 lbs
103	Boron trifluoride	7637-07-2	1 lbs	0 lbs	1 lbs
104	N-Methyl-2-pyrrolidone	872-50-4	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	169,248 lbs	0 lbs	169,248 lbs
2	n-Hexane	110-54-3	142,891 lbs	0 lbs	142,891 lbs
3	Ammonia	7664-41-7	107,751 lbs	5 lbs	107,756 lbs
4	tert-Butyl alcohol	75-65-0	102,935 lbs	0 lbs	102,935 lbs
5	Methanol	67-56-1	65,651 lbs	5 lbs	65,656 lbs
6	Toluene	108-88-3	40,916 lbs	0 lbs	40,916 lbs
7	Propylene	115-07-1	40,510 lbs	0 lbs	40,510 lbs
8	Vinyl acetate	108-05-4	33,123 lbs	0 lbs	33,123 lbs
9	Propylene oxide	75-56-9	23,092 lbs	0 lbs	23,092 lbs
10	Methyl methacrylate	80-62-6	18,415 lbs	0 lbs	18,415 lbs
11	Ethylene glycol	107-21-1	17,686 lbs	0 lbs	17,686 lbs
12	Isoprene	78-79-5	12,309 lbs	0 lbs	12,309 lbs
13	Acrylic acid	79-10-7	11,762 lbs	0 lbs	11,762 lbs
14	Ethylene oxide	75-21-8	11,253 lbs	0 lbs	11,253 lbs
15	Titanium tetrachloride	7550-45-0	10,755 lbs	0 lbs	10,755 lbs
16	Nitric acid	7697-37-2	10,340 lbs	5 lbs	10,345 lbs
17	Molybdenum trioxide	1313-27-5	7,727 lbs	482 lbs	8,209 lbs
18	Cyclohexane	110-82-7	8,101 lbs	0 lbs	8,101 lbs
19	N,N-Dimethylformamide	68-12-2	7,802 lbs	0 lbs	7,802 lbs
20	Butyl acrylate	141-32-2	6,270 lbs	0 lbs	6,270 lbs
21	1,3-Butadiene	106-99-0	5,622 lbs	0 lbs	5,622 lbs
22	Acetaldehyde	75-07-0	4,918 lbs	0 lbs	4,918 lbs
23	Hydrogen sulfide	7783-06-4	3,596 lbs	0 lbs	3,596 lbs
24	Ethyl acrylate	140-88-5	3,477 lbs	0 lbs	3,477 lbs
25	Chloroethane	75-00-3	3,424 lbs	0 lbs	3,424 lbs
26	Certain glycol ethers	N230	2,992 lbs	0 lbs	2,992 lbs
27	Methyl acrylate	96-33-3	2,867 lbs	0 lbs	2,867 lbs
28	n-Butyl alcohol	71-36-3	2,835 lbs	0 lbs	2,835 lbs
29	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0 lbs	2,660 lbs	2,660 lbs
30	Styrene	100-42-5	2,560 lbs	0 lbs	2,560 lbs
31	Dicyclopentadiene	77-73-6	2,465 lbs	0 lbs	2,465 lbs
32	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	1,959 lbs	0 lbs	1,959 lbs
33	Phenol	108-95-2	1,875 lbs	0 lbs	1,875 lbs
34	Maleic anhydride	108-31-6	1,730 lbs	0 lbs	1,730 lbs
35	Hydroquinone	123-31-9	1,723 lbs	0 lbs	1,723 lbs
36	Chlorine	7782-50-5	1,293 lbs	0 lbs	1,293 lbs
37	Xylene (mixed isomers)	1330-20-7	1,270 lbs	0 lbs	1,270 lbs
38	Acrolein	107-02-8	1,224 lbs	0 lbs	1,224 lbs
39	Nickel compounds	N495	1,017 lbs	108 lbs	1,125 lbs
40	Formaldehyde	50-00-0	1,109 lbs	0 lbs	1,109 lbs
41	Benzene	71-43-2	1,049 lbs	0 lbs	1,049 lbs
42	2-Methoxyethanol	109-86-4	1,027 lbs	0 lbs	1,027 lbs
43	Methyl iodide	74-88-4	958 lbs	0 lbs	958 lbs
44	Epichlorohydrin	106-89-8	643 lbs	0 lbs	643 lbs
45	1,2,4-Trimethylbenzene	95-63-6	624 lbs	0 lbs	624 lbs
46	Nonylphenol	N530	551 lbs	0 lbs	551 lbs
47	Naphthalene	91-20-3	538 lbs	0 lbs	538 lbs
48	Dibutyl phthalate	84-74-2	496 lbs	0 lbs	496 lbs
49	Cobalt compounds	N096	455 lbs	36 lbs	491 lbs
50	Nickel And Nickel Compounds	N495	423 lbs	34 lbs	457 lbs
51	2-Ethoxyethanol	110-80-5	407 lbs	0 lbs	407 lbs
52	Ethylbenzene	100-41-4	365 lbs	0 lbs	365 lbs
53	Dimethylamine	124-40-3	228 lbs	0 lbs	228 lbs
54	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
55	Cumene	98-82-8	206 lbs	0 lbs	206 lbs
56	Cobalt And Cobalt Compounds	N096	182 lbs	8 lbs	190 lbs
57	Vanadium (except when contained in an alloy)	7440-62-2	170 lbs	0 lbs	170 lbs
58	Allyl chloride	107-05-1	165 lbs	0 lbs	165 lbs
59	1,4-Dioxane	123-91-1	126 lbs	0 lbs	126 lbs
60	Benzyl chloride	100-44-7	119 lbs	0 lbs	119 lbs
61	Chlorobenzene	108-90-7	100 lbs	0 lbs	100 lbs
62	Allyl alcohol	107-18-6	96 lbs	0 lbs	96 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	Benzoyl chloride	98-88-4	33 lbs	0 lbs	33 lbs
67	Propyleneimine	75-55-8	32 lbs	0 lbs	32 lbs
68	Acetonitrile	75-05-8	24 lbs	0 lbs	24 lbs
69	Lead And Lead Compounds	N420	16 lbs	1 lbs	17 lbs
70	Phthalic anhydride	85-44-9	14 lbs	0 lbs	14 lbs
71	Acrylonitrile	107-13-1	4 lbs	0 lbs	4 lbs
72	Manganese And Manganese Compounds	N450	3 lbs	0 lbs	3 lbs
73	Diphenylamine	122-39-4	2 lbs	0 lbs	2 lbs
74	4,4'-Isopropylidenediphenol	80-05-7	1 lbs	0 lbs	1 lbs