Complete Property Analysis

Environmental risk, tax analysis, and property details for 126 E 4th St, Deer Park, TX 77536

HCAD #0641480090012

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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

126 E 4th St, Deer Park, TX 77536

Building Size

1,386sqft

Total structure area from HCAD building records.

Elevation

25.23 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)

35.07 ft

Water surface elevation relative to sea level (NAVD88 datum).

Area Inundated

222.8 acres

75.6% of 500m radius flooded.

Nearest Bayou Stage

N/A

No nearby bayou within monitoring range

Depth-Damage (HCAD Valuation)

$59,904

Based on HCAD building value of $92,160.

Depth-Damage (Neighborhood)

$65,261

Based on neighborhood replacement cost.

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

6.1th percentile

Property Pollution Ranking

Very High

Higher pollution than 94% of Houston homes

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

Industrial Pollution Nearby (10 Years)

20.21 millionlbs

Extremely High

3098.2x more than typical Houston property

≈ 1.0K dump trucks of chemicals within 2 miles

Air Pollution (10 Years)

12.59 millionlbs

Extremely High

2610.1x more than typical Houston property

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

Water Pollution (10 Years)

7.63 millionlbs

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)	20,213,551 lbs	12,586,841 lbs	7,626,710 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs	0 lbs
This Property (2024 Only)	1,677,986 lbs	1,414,203 lbs	263,778 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 94% 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):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ethylene, Ammonia, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), 1,3-Butadiene
View the full list of 107 chemicals below.

Chemicals Released (2014-2024, 10-Year Total)(107 chemicals)

#	Chemical	CAS#	Air (lbs/10yr)	Water (lbs/10yr)	Total (lbs/10yr)
1	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	7 lbs	7,200,539 lbs	7,200,546 lbs
2	Ethylene	74-85-1	1,659,814 lbs	0 lbs	1,659,814 lbs
3	Ammonia	7664-41-7	1,086,871 lbs	32,297 lbs	1,119,167 lbs
4	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7664-93-9	1,081,942 lbs	0 lbs	1,081,942 lbs
5	1,3-Butadiene	106-99-0	1,021,400 lbs	45 lbs	1,021,445 lbs
6	Propylene	115-07-1	1,020,062 lbs	0 lbs	1,020,062 lbs
7	Cumene	98-82-8	851,544 lbs	882 lbs	852,426 lbs
8	Methanol	67-56-1	525,909 lbs	133,638 lbs	659,547 lbs
9	Methyl methacrylate	80-62-6	656,896 lbs	0 lbs	656,896 lbs
10	Phenol	108-95-2	634,156 lbs	1,108 lbs	635,264 lbs
11	Toluene	108-88-3	514,838 lbs	199 lbs	515,037 lbs
12	Benzene	71-43-2	434,346 lbs	242 lbs	434,588 lbs
13	Hydrogen cyanide	74-90-8	412,928 lbs	4,587 lbs	417,515 lbs
14	Xylene (mixed isomers)	1330-20-7	255,366 lbs	179 lbs	255,545 lbs
15	Butyl acrylate	141-32-2	246,385 lbs	0 lbs	246,385 lbs
16	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	234,060 lbs	0 lbs	234,060 lbs
17	Hydrogen sulfide	7783-06-4	211,383 lbs	2,545 lbs	213,928 lbs
18	n-Butyl alcohol	71-36-3	196,351 lbs	0 lbs	196,351 lbs
19	n-Hexane	110-54-3	173,420 lbs	10 lbs	173,430 lbs
20	Vinyl chloride	75-01-4	166,484 lbs	46 lbs	166,529 lbs
21	Acrylic acid	79-10-7	127,984 lbs	0 lbs	127,984 lbs
22	4,4'-Isopropylidenediphenol	80-05-7	125,700 lbs	0 lbs	125,700 lbs
23	1,2-Dichloroethane	107-06-2	125,688 lbs	0 lbs	125,688 lbs
24	Epichlorohydrin	106-89-8	121,011 lbs	3,811 lbs	124,822 lbs
25	Sodium nitrite	7632-00-0	0 lbs	102,300 lbs	102,300 lbs
26	Acetonitrile	75-05-8	83,752 lbs	12,219 lbs	95,971 lbs
27	Acetaldehyde	75-07-0	83,747 lbs	1,398 lbs	85,145 lbs
28	Ethylbenzene	100-41-4	73,430 lbs	222 lbs	73,652 lbs
29	Isoprene	78-79-5	69,617 lbs	137 lbs	69,754 lbs
30	Zinc compounds	N982	952 lbs	62,059 lbs	63,011 lbs
31	Propylene oxide	75-56-9	53,747 lbs	0 lbs	53,747 lbs
32	Ethylene glycol	107-21-1	31,251 lbs	9,387 lbs	40,638 lbs
33	Ethyl acrylate	140-88-5	36,082 lbs	0 lbs	36,082 lbs
34	Diethanolamine	111-42-2	35,781 lbs	0 lbs	35,781 lbs
35	Formaldehyde	50-00-0	27,949 lbs	0 lbs	27,949 lbs
36	Naphthalene	91-20-3	21,426 lbs	206 lbs	21,632 lbs
37	Dichloromethane	75-09-2	19,581 lbs	39 lbs	19,620 lbs
38	Methyl isobutyl ketone	108-10-1	17,924 lbs	2 lbs	17,926 lbs
39	Copper compounds	N100	0 lbs	13,984 lbs	13,984 lbs
40	Cyclohexane	110-82-7	13,253 lbs	284 lbs	13,537 lbs
41	Maleic anhydride	108-31-6	12,243 lbs	0 lbs	12,243 lbs
42	Chlorine	7782-50-5	11,978 lbs	0 lbs	11,978 lbs
43	Cumene hydroperoxide	80-15-9	11,006 lbs	0 lbs	11,006 lbs
44	Cyanide compounds	N106	0 lbs	9,834 lbs	9,834 lbs
45	Trade Secret	TRD SECRT	9,705 lbs	0 lbs	9,705 lbs
46	Vinyl acetate	108-05-4	9,003 lbs	0 lbs	9,003 lbs
47	1,2,4-Trimethylbenzene	95-63-6	8,919 lbs	0 lbs	8,919 lbs
48	Dicyclopentadiene	77-73-6	8,670 lbs	0 lbs	8,670 lbs
49	2-Methyllactonitrile	75-86-5	8,411 lbs	0 lbs	8,411 lbs
50	Copper And Copper Compounds	N100	1 lbs	8,388 lbs	8,389 lbs
51	Acetophenone	98-86-2	6,714 lbs	1,462 lbs	8,176 lbs
52	Allyl alcohol	107-18-6	7,427 lbs	626 lbs	8,053 lbs
53	sec-Butyl alcohol	78-92-2	1,946 lbs	5,600 lbs	7,546 lbs
54	Glycidol	556-52-5	2,841 lbs	4,410 lbs	7,251 lbs
55	Acrylonitrile	107-13-1	6,971 lbs	0 lbs	6,971 lbs
56	Manganese compounds	N450	137 lbs	5,037 lbs	5,174 lbs
57	Styrene	100-42-5	4,646 lbs	16 lbs	4,662 lbs
58	Tetrachloroethylene	127-18-4	4,241 lbs	176 lbs	4,417 lbs
59	Diisocyanates	N120	4,007 lbs	0 lbs	4,007 lbs
60	Nickel compounds	N495	80 lbs	3,764 lbs	3,844 lbs
61	Formic acid	64-18-6	2,328 lbs	0 lbs	2,328 lbs
62	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	N040	0 lbs	1,936 lbs	1,936 lbs
63	Lead compounds	N420	509 lbs	1,376 lbs	1,886 lbs
64	Phenanthrene	85-01-8	1,547 lbs	159 lbs	1,706 lbs
65	1,1,2-Trichloroethane	79-00-5	1,537 lbs	0 lbs	1,537 lbs
66	Nonylphenol Ethoxylates	N535	1,381 lbs	0 lbs	1,381 lbs
67	Certain glycol ethers	N230	1,104 lbs	0 lbs	1,104 lbs
68	Bis(2-chloroethyl) ether	111-44-4	950 lbs	0 lbs	950 lbs
69	Polycyclic aromatic compounds	N590	576 lbs	130 lbs	782 lbs
70	Lead And Lead Compounds	N420	267 lbs	421 lbs	689 lbs
71	Chloroform	67-66-3	638 lbs	0 lbs	638 lbs
72	Anthracene	120-12-7	534 lbs	70 lbs	604 lbs
73	Trichloroethylene	79-01-6	603 lbs	0 lbs	603 lbs
74	Cresol (mixed isomers)	1319-77-3	430 lbs	146 lbs	576 lbs
75	Hydroquinone	123-31-9	388 lbs	0 lbs	388 lbs
76	Acrolein	107-02-8	326 lbs	0 lbs	326 lbs
77	Pentachloroethane	76-01-7	323 lbs	0 lbs	323 lbs
78	Mercury compounds	N458	105 lbs	212 lbs	317 lbs
79	Chloroethane	75-00-3	284 lbs	0 lbs	284 lbs
80	Mercury And Mercury Compounds	N458	36 lbs	195 lbs	230 lbs
81	1,1,2,2-Tetrachloroethane	79-34-5	219 lbs	0 lbs	219 lbs
82	Benzo[g,h,i]perylene	191-24-2	96 lbs	74 lbs	170 lbs
83	Cobalt compounds	N096	33 lbs	89 lbs	122 lbs
84	Barium And Barium Compounds	N040	0 lbs	99 lbs	99 lbs
85	Carbon disulfide	75-15-0	84 lbs	0 lbs	84 lbs
86	Chlorobenzene	108-90-7	77 lbs	0 lbs	77 lbs
87	1,2-Dichloroethylene	540-59-0	75 lbs	0 lbs	75 lbs
88	Nonylphenol	N530	61 lbs	0 lbs	61 lbs
89	Chloroprene	126-99-8	55 lbs	0 lbs	55 lbs
90	Nitric acid	7697-37-2	49 lbs	0 lbs	49 lbs
91	Methyl acrylate	96-33-3	47 lbs	0 lbs	47 lbs
92	Ethylidene dichloride	75-34-3	37 lbs	0 lbs	37 lbs
93	Cobalt And Cobalt Compounds	N096	12 lbs	24 lbs	36 lbs
94	Triethylamine	121-44-8	34 lbs	0 lbs	34 lbs
95	Chromium	7440-47-3	0 lbs	33 lbs	33 lbs
96	Nickel	7440-02-0	0 lbs	31 lbs	31 lbs
97	Dioxin and dioxin-like compounds	N150	8 lbs	23 lbs	31 lbs
98	Carbon tetrachloride	56-23-5	27 lbs	0 lbs	27 lbs
99	Diphenylamine	122-39-4	10 lbs	14 lbs	24 lbs
100	Hexachloroethane	67-72-1	16 lbs	0 lbs	16 lbs
101	Vinylidene chloride	75-35-4	15 lbs	0 lbs	15 lbs
102	Boron trifluoride	7637-07-2	11 lbs	0 lbs	11 lbs
103	Propionaldehyde	123-38-6	8 lbs	0 lbs	8 lbs
104	trans-1,4-Dichloro-2-butene	110-57-6	7 lbs	0 lbs	7 lbs
105	Hexachlorobenzene	118-74-1	5 lbs	0 lbs	5 lbs
106	N-Methyl-2-pyrrolidone	872-50-4	3 lbs	0 lbs	3 lbs
107	Acetamide	60-35-5	2 lbs	0 lbs	2 lbs

📋

Top chemicals released near this property (2024 only):
Ethylene, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Propylene, 1,3-Butadiene, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
View the full list of 88 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only)(88 chemicals)

#	Chemical	CAS#	Air (lbs/yr)	Water (lbs/yr)	Total (lbs/yr)
1	Ethylene	74-85-1	439,952 lbs	0 lbs	439,952 lbs
2	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0 lbs	204,942 lbs	204,942 lbs
3	Propylene	115-07-1	147,304 lbs	0 lbs	147,304 lbs
4	1,3-Butadiene	106-99-0	108,643 lbs	9 lbs	108,652 lbs
5	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7664-93-9	97,000 lbs	0 lbs	97,000 lbs
6	Ammonia	7664-41-7	64,803 lbs	3,133 lbs	67,936 lbs
7	Methanol	67-56-1	39,519 lbs	27,174 lbs	66,693 lbs
8	Methyl methacrylate	80-62-6	60,017 lbs	0 lbs	60,017 lbs
9	Cumene	98-82-8	52,712 lbs	31 lbs	52,743 lbs
10	Toluene	108-88-3	51,526 lbs	10 lbs	51,536 lbs
11	Phenol	108-95-2	40,343 lbs	254 lbs	40,597 lbs
12	Benzene	71-43-2	39,601 lbs	7 lbs	39,608 lbs
13	Hydrogen sulfide	7783-06-4	38,758 lbs	289 lbs	39,047 lbs
14	n-Butyl alcohol	71-36-3	30,561 lbs	0 lbs	30,561 lbs
15	Hydrogen cyanide	74-90-8	25,157 lbs	70 lbs	25,227 lbs
16	Butyl acrylate	141-32-2	24,361 lbs	0 lbs	24,361 lbs
17	Xylene (mixed isomers)	1330-20-7	18,400 lbs	10 lbs	18,410 lbs
18	n-Hexane	110-54-3	13,870 lbs	10 lbs	13,880 lbs
19	Epichlorohydrin	106-89-8	12,291 lbs	331 lbs	12,622 lbs
20	Vinyl chloride	75-01-4	11,013 lbs	3 lbs	11,016 lbs
21	4,4'-Isopropylidenediphenol	80-05-7	10,300 lbs	0 lbs	10,300 lbs
22	Acrylic acid	79-10-7	9,951 lbs	0 lbs	9,951 lbs
23	Dichloromethane	75-09-2	9,911 lbs	10 lbs	9,921 lbs
24	Zinc compounds	N982	17 lbs	9,539 lbs	9,556 lbs
25	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	9,252 lbs	0 lbs	9,252 lbs
26	1,2-Dichloroethane	107-06-2	8,530 lbs	0 lbs	8,530 lbs
27	Acetonitrile	75-05-8	4,900 lbs	3,100 lbs	8,000 lbs
28	Trade Secret	TRD SECRT	5,677 lbs	0 lbs	5,677 lbs
29	Acetaldehyde	75-07-0	5,348 lbs	161 lbs	5,509 lbs
30	Ethylbenzene	100-41-4	4,620 lbs	7 lbs	4,627 lbs
31	Sodium nitrite	7632-00-0	0 lbs	4,600 lbs	4,600 lbs
32	Copper And Copper Compounds	N100	0 lbs	3,809 lbs	3,809 lbs
33	Ethyl acrylate	140-88-5	3,769 lbs	0 lbs	3,769 lbs
34	Glycidol	556-52-5	1,002 lbs	2,400 lbs	3,402 lbs
35	Diethanolamine	111-42-2	3,059 lbs	0 lbs	3,059 lbs
36	sec-Butyl alcohol	78-92-2	540 lbs	2,100 lbs	2,640 lbs
37	Methyl isobutyl ketone	108-10-1	2,468 lbs	0 lbs	2,468 lbs
38	Isoprene	78-79-5	2,360 lbs	16 lbs	2,376 lbs
39	Naphthalene	91-20-3	2,290 lbs	22 lbs	2,312 lbs
40	Diisocyanates	N120	1,843 lbs	0 lbs	1,843 lbs
41	Acrylonitrile	107-13-1	1,776 lbs	0 lbs	1,776 lbs
42	Ethylene glycol	107-21-1	1,527 lbs	0 lbs	1,527 lbs
43	Formaldehyde	50-00-0	1,468 lbs	0 lbs	1,468 lbs
44	Styrene	100-42-5	1,183 lbs	2 lbs	1,185 lbs
45	2-Methyllactonitrile	75-86-5	998 lbs	0 lbs	998 lbs
46	Cyclohexane	110-82-7	858 lbs	17 lbs	875 lbs
47	Vinyl acetate	108-05-4	766 lbs	0 lbs	766 lbs
48	Maleic anhydride	108-31-6	701 lbs	0 lbs	701 lbs
49	Acetophenone	98-86-2	188 lbs	510 lbs	698 lbs
50	1,2,4-Trimethylbenzene	95-63-6	546 lbs	0 lbs	546 lbs
51	Dicyclopentadiene	77-73-6	493 lbs	0 lbs	493 lbs
52	Cyanide compounds	N106	0 lbs	396 lbs	396 lbs
53	Manganese compounds	N450	37 lbs	350 lbs	387 lbs
54	Cumene hydroperoxide	80-15-9	384 lbs	0 lbs	384 lbs
55	Chlorine	7782-50-5	311 lbs	0 lbs	311 lbs
56	Formic acid	64-18-6	291 lbs	0 lbs	291 lbs
57	Tetrachloroethylene	127-18-4	282 lbs	4 lbs	286 lbs
58	Lead compounds	N420	93 lbs	169 lbs	262 lbs
59	Nickel compounds	N495	0 lbs	218 lbs	218 lbs
60	1,1,2-Trichloroethane	79-00-5	166 lbs	0 lbs	166 lbs
61	Bis(2-chloroethyl) ether	111-44-4	96 lbs	0 lbs	96 lbs
62	Hydroquinone	123-31-9	84 lbs	0 lbs	84 lbs
63	Mercury compounds	N458	0 lbs	53 lbs	53 lbs
64	Chloroform	67-66-3	44 lbs	0 lbs	44 lbs
65	Trichloroethylene	79-01-6	43 lbs	0 lbs	43 lbs
66	Pentachloroethane	76-01-7	36 lbs	0 lbs	36 lbs
67	Polycyclic aromatic compounds	N590	12 lbs	14 lbs	31 lbs
68	Acrolein	107-02-8	27 lbs	0 lbs	27 lbs
69	1,1,2,2-Tetrachloroethane	79-34-5	24 lbs	0 lbs	24 lbs
70	Chloroethane	75-00-3	21 lbs	0 lbs	21 lbs
71	Mercury And Mercury Compounds	N458	17 lbs	0 lbs	17 lbs
72	Chlorobenzene	108-90-7	14 lbs	0 lbs	14 lbs
73	Carbon disulfide	75-15-0	12 lbs	0 lbs	12 lbs
74	Nitric acid	7697-37-2	11 lbs	0 lbs	11 lbs
75	Phenanthrene	85-01-8	6 lbs	1 lbs	7 lbs
76	1,2-Dichloroethylene	540-59-0	5 lbs	0 lbs	5 lbs
77	Carbon tetrachloride	56-23-5	4 lbs	0 lbs	4 lbs
78	Chloroprene	126-99-8	3 lbs	0 lbs	3 lbs
79	Nickel	7440-02-0	0 lbs	2 lbs	2 lbs
80	Chromium	7440-47-3	0 lbs	2 lbs	2 lbs
81	Hexachloroethane	67-72-1	2 lbs	0 lbs	2 lbs
82	Nonylphenol	N530	2 lbs	0 lbs	2 lbs
83	Anthracene	120-12-7	1 lbs	1 lbs	2 lbs
84	Benzo[g,h,i]perylene	191-24-2	0 lbs	1 lbs	2 lbs
85	Ethylidene dichloride	75-34-3	1 lbs	0 lbs	1 lbs
86	Dioxin and dioxin-like compounds	N150	1 lbs	0 lbs	1 lbs
87	Propylene oxide	75-56-9	1 lbs	0 lbs	1 lbs
88	Hexachlorobenzene	118-74-1	1 lbs	0 lbs	1 lbs