Complete Property Analysis

Environmental risk, tax analysis, and property details for 1303 Windleaf Dr, Shoreacres, TX 77571

HCAD #1177180020006

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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

1303 Windleaf Dr, Shoreacres, TX 77571

Building Size

3,440sqft

Total structure area from HCAD building records.

Elevation

9.24 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)

19.08 ft

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

Area Inundated

294.2 acres

99.8% of 500m radius flooded.

Nearest Bayou Stage

N/A

No nearby bayou within monitoring range

Depth-Damage (HCAD Valuation)

Based on HCAD building value of $0.

Depth-Damage (Neighborhood)

$196,633

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.

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

Obtain an Elevation Certificate to determine accurate flood insurance premiums

Simulation shows 0.6ft of flooding - mitigation measures recommended

Consider elevating utilities, HVAC systems, and electrical panels above anticipated flood levels

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

9.9th percentile

Property Pollution Ranking

Very 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)

8.37 millionlbs

Extremely High

1282.5x more than typical Houston property

≈ 418 dump trucks of chemicals within 2 miles

Air Pollution (10 Years)

8.35 millionlbs

Extremely High

1732.0x more than typical Houston property

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

Water Pollution (10 Years)

15 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)	8,367,365 lbs	8,352,286 lbs	15,079 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs	0 lbs
This Property (2024 Only)	633,988 lbs	631,873 lbs	2,115 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):
Methanol, Ethylene, tert-Butyl alcohol, Toluene, Ammonia
View the full list of 91 chemicals below.

Chemicals Released (2014-2024, 10-Year Total)(91 chemicals)

#	Chemical	CAS#	Air (lbs/10yr)	Water (lbs/10yr)	Total (lbs/10yr)
1	Methanol	67-56-1	1,313,298 lbs	55 lbs	1,313,353 lbs
2	Ethylene	74-85-1	902,327 lbs	0 lbs	902,327 lbs
3	tert-Butyl alcohol	75-65-0	751,778 lbs	0 lbs	751,778 lbs
4	Toluene	108-88-3	732,073 lbs	0 lbs	732,073 lbs
5	Ammonia	7664-41-7	718,090 lbs	0 lbs	718,090 lbs
6	Propylene	115-07-1	675,645 lbs	0 lbs	675,645 lbs
7	Vinyl acetate	108-05-4	659,074 lbs	0 lbs	659,074 lbs
8	Acrylic acid	79-10-7	351,457 lbs	0 lbs	351,457 lbs
9	Propylene oxide	75-56-9	310,422 lbs	0 lbs	310,422 lbs
10	n-Hexane	110-54-3	261,517 lbs	0 lbs	261,517 lbs
11	Benzene	71-43-2	139,811 lbs	0 lbs	139,811 lbs
12	Titanium tetrachloride	7550-45-0	108,195 lbs	0 lbs	108,195 lbs
13	1,3-Butadiene	106-99-0	105,073 lbs	0 lbs	105,073 lbs
14	Cyclohexane	110-82-7	102,641 lbs	0 lbs	102,641 lbs
15	Acetaldehyde	75-07-0	96,774 lbs	0 lbs	96,774 lbs
16	n-Butyl alcohol	71-36-3	91,430 lbs	0 lbs	91,430 lbs
17	Acrylonitrile	107-13-1	85,701 lbs	0 lbs	85,701 lbs
18	Ethylbenzene	100-41-4	71,965 lbs	0 lbs	71,965 lbs
19	Ethylene glycol	107-21-1	70,926 lbs	0 lbs	70,926 lbs
20	Styrene	100-42-5	67,793 lbs	0 lbs	67,924 lbs
21	Methyl methacrylate	80-62-6	62,766 lbs	0 lbs	63,038 lbs
22	Ethylene oxide	75-21-8	58,132 lbs	0 lbs	58,132 lbs
23	Isoprene	78-79-5	51,809 lbs	0 lbs	51,809 lbs
24	Molybdenum trioxide	1313-27-5	51,068 lbs	0 lbs	51,068 lbs
25	Hydroquinone	123-31-9	45,112 lbs	0 lbs	45,112 lbs
26	Butyl acrylate	141-32-2	44,450 lbs	0 lbs	44,450 lbs
27	Chlorodifluoromethane (HCFC-22)	75-45-6	38,792 lbs	0 lbs	38,792 lbs
28	Ethyl acrylate	140-88-5	37,048 lbs	0 lbs	37,048 lbs
29	Certain glycol ethers	N230	36,974 lbs	0 lbs	36,974 lbs
30	Methyl isobutyl ketone	108-10-1	36,313 lbs	0 lbs	36,313 lbs
31	Xylene (mixed isomers)	1330-20-7	35,148 lbs	0 lbs	35,148 lbs
32	Cumene	98-82-8	31,481 lbs	0 lbs	31,481 lbs
33	Phenol	108-95-2	30,497 lbs	0 lbs	30,497 lbs
34	Methyl acrylate	96-33-3	23,024 lbs	0 lbs	23,024 lbs
35	Dicyclopentadiene	77-73-6	21,187 lbs	0 lbs	21,187 lbs
36	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
37	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0 lbs	14,517 lbs	14,517 lbs
38	Formaldehyde	50-00-0	12,298 lbs	0 lbs	12,298 lbs
39	Maleic anhydride	108-31-6	11,271 lbs	0 lbs	11,271 lbs
40	Epichlorohydrin	106-89-8	8,484 lbs	0 lbs	8,484 lbs
41	Dimethylamine	124-40-3	7,773 lbs	0 lbs	7,773 lbs
42	Naphthalene	91-20-3	6,308 lbs	0 lbs	6,308 lbs
43	Trade Secret	TRD SECRT	5,905 lbs	88 lbs	5,993 lbs
44	Diphenylamine	122-39-4	5,851 lbs	0 lbs	5,851 lbs
45	Dibutyl phthalate	84-74-2	5,792 lbs	0 lbs	5,792 lbs
46	Methyl iodide	74-88-4	5,089 lbs	0 lbs	5,089 lbs
47	1,2,4-Trimethylbenzene	95-63-6	4,822 lbs	0 lbs	4,822 lbs
48	Formic acid	64-18-6	4,773 lbs	0 lbs	4,773 lbs
49	Propyleneimine	75-55-8	3,701 lbs	0 lbs	3,701 lbs
50	Acetonitrile	75-05-8	2,760 lbs	0 lbs	2,760 lbs
51	Acrolein	107-02-8	2,670 lbs	0 lbs	2,670 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	Nickel And Nickel Compounds	N495	2,238 lbs	75 lbs	2,313 lbs
55	Chlorine	7782-50-5	2,246 lbs	0 lbs	2,246 lbs
56	Vanadium compounds	N770	2,177 lbs	0 lbs	2,177 lbs
57	Nitric acid	7697-37-2	2,056 lbs	0 lbs	2,056 lbs
58	Nonylphenol	N530	1,974 lbs	0 lbs	1,974 lbs
59	Allyl alcohol	107-18-6	1,830 lbs	0 lbs	1,830 lbs
60	Vanadium (except when contained in an alloy)	7440-62-2	1,691 lbs	0 lbs	1,691 lbs
61	Nickel compounds	N495	1,389 lbs	22 lbs	1,410 lbs
62	o-Xylene	95-47-6	815 lbs	0 lbs	815 lbs
63	Nonylphenol Ethoxylates	N535	773 lbs	0 lbs	773 lbs
64	Cobalt And Cobalt Compounds	N096	741 lbs	0 lbs	741 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	Chlorobenzene	108-90-7	583 lbs	0 lbs	583 lbs
67	N,N-Dimethylformamide	68-12-2	511 lbs	0 lbs	511 lbs
68	Cobalt compounds	N096	454 lbs	0 lbs	454 lbs
69	Hydrazine	302-01-2	437 lbs	0 lbs	437 lbs
70	Diethanolamine	111-42-2	414 lbs	0 lbs	414 lbs
71	Zinc compounds	N982	48 lbs	266 lbs	314 lbs
72	Benzyl chloride	100-44-7	228 lbs	0 lbs	228 lbs
73	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
74	Butyraldehyde	123-72-8	186 lbs	0 lbs	186 lbs
75	4,4'-Isopropylidenediphenol	80-05-7	141 lbs	0 lbs	141 lbs
76	Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)	N090	101 lbs	14 lbs	115 lbs
77	Diethyl sulfate	64-67-5	85 lbs	0 lbs	85 lbs
78	Phthalic anhydride	85-44-9	40 lbs	0 lbs	40 lbs
79	Antimony compounds	N010	20 lbs	15 lbs	35 lbs
80	Chromium compounds (except for chromite ore mined in the Transvaal Region)	N090	29 lbs	4 lbs	33 lbs
81	Bis(2-chloroethyl) ether	111-44-4	26 lbs	0 lbs	26 lbs
82	Copper compounds	N100	0 lbs	18 lbs	18 lbs
83	2,4-Dimethylphenol	105-67-9	17 lbs	0 lbs	17 lbs
84	Triethylamine	121-44-8	10 lbs	0 lbs	15 lbs
85	Pyridine	110-86-1	10 lbs	0 lbs	10 lbs
86	Antimony And Antimony Compounds	N010	5 lbs	5 lbs	10 lbs
87	Manganese And Manganese Compounds	N450	3 lbs	0 lbs	3 lbs
88	1,3-Phenylenediamine	108-45-2	2 lbs	0 lbs	2 lbs
89	Lead	7439-92-1	2 lbs	0 lbs	2 lbs
90	Biphenyl	92-52-4	2 lbs	0 lbs	2 lbs
91	Boron trifluoride	7637-07-2	1 lbs	0 lbs	1 lbs

📋

Top chemicals released near this property (2024 only):
tert-Butyl alcohol, Ammonia, Ethylene, Methanol, Propylene
View the full list of 67 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only)(67 chemicals)

#	Chemical	CAS#	Air (lbs/yr)	Water (lbs/yr)	Total (lbs/yr)
1	tert-Butyl alcohol	75-65-0	101,697 lbs	0 lbs	101,697 lbs
2	Ammonia	7664-41-7	70,158 lbs	0 lbs	70,158 lbs
3	Ethylene	74-85-1	62,869 lbs	0 lbs	62,869 lbs
4	Methanol	67-56-1	61,973 lbs	5 lbs	61,978 lbs
5	Propylene	115-07-1	52,548 lbs	0 lbs	52,548 lbs
6	Toluene	108-88-3	41,162 lbs	0 lbs	41,162 lbs
7	Vinyl acetate	108-05-4	33,123 lbs	0 lbs	33,123 lbs
8	Acrylic acid	79-10-7	32,789 lbs	0 lbs	32,789 lbs
9	Propylene oxide	75-56-9	23,121 lbs	0 lbs	23,121 lbs
10	n-Hexane	110-54-3	20,002 lbs	0 lbs	20,002 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	Titanium tetrachloride	7550-45-0	10,755 lbs	0 lbs	10,755 lbs
14	Benzene	71-43-2	10,531 lbs	0 lbs	10,531 lbs
15	Ethylene glycol	107-21-1	8,938 lbs	0 lbs	8,938 lbs
16	Cyclohexane	110-82-7	8,101 lbs	0 lbs	8,101 lbs
17	Hydroquinone	123-31-9	6,608 lbs	0 lbs	6,608 lbs
18	Molybdenum trioxide	1313-27-5	4,957 lbs	0 lbs	4,957 lbs
19	Styrene	100-42-5	4,713 lbs	0 lbs	4,713 lbs
20	1,3-Butadiene	106-99-0	4,450 lbs	0 lbs	4,450 lbs
21	Ethylbenzene	100-41-4	4,313 lbs	0 lbs	4,313 lbs
22	Acetaldehyde	75-07-0	4,031 lbs	0 lbs	4,031 lbs
23	Methyl isobutyl ketone	108-10-1	3,997 lbs	0 lbs	3,997 lbs
24	Butyl acrylate	141-32-2	3,526 lbs	0 lbs	3,526 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	Cumene	98-82-8	2,611 lbs	0 lbs	2,611 lbs
28	Dicyclopentadiene	77-73-6	2,465 lbs	0 lbs	2,465 lbs
29	Ethylene oxide	75-21-8	2,079 lbs	0 lbs	2,079 lbs
30	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0 lbs	2,038 lbs	2,038 lbs
31	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
32	Phenol	108-95-2	1,875 lbs	0 lbs	1,875 lbs
33	Maleic anhydride	108-31-6	1,756 lbs	0 lbs	1,756 lbs
34	n-Butyl alcohol	71-36-3	1,564 lbs	0 lbs	1,564 lbs
35	Xylene (mixed isomers)	1330-20-7	1,270 lbs	0 lbs	1,270 lbs
36	Acrolein	107-02-8	1,252 lbs	0 lbs	1,252 lbs
37	Formaldehyde	50-00-0	1,245 lbs	0 lbs	1,245 lbs
38	Methyl iodide	74-88-4	958 lbs	0 lbs	958 lbs
39	Acrylonitrile	107-13-1	883 lbs	0 lbs	883 lbs
40	Nitric acid	7697-37-2	852 lbs	0 lbs	852 lbs
41	Epichlorohydrin	106-89-8	643 lbs	0 lbs	643 lbs
42	1,2,4-Trimethylbenzene	95-63-6	624 lbs	0 lbs	624 lbs
43	Nonylphenol	N530	551 lbs	0 lbs	551 lbs
44	Naphthalene	91-20-3	538 lbs	0 lbs	538 lbs
45	Dibutyl phthalate	84-74-2	496 lbs	0 lbs	496 lbs
46	Certain glycol ethers	N230	493 lbs	0 lbs	493 lbs
47	Nickel And Nickel Compounds	N495	341 lbs	26 lbs	367 lbs
48	Dimethylamine	124-40-3	228 lbs	0 lbs	228 lbs
49	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
50	Formic acid	64-18-6	175 lbs	0 lbs	175 lbs
51	Vanadium (except when contained in an alloy)	7440-62-2	170 lbs	0 lbs	170 lbs
52	1,4-Dioxane	123-91-1	126 lbs	0 lbs	126 lbs
53	Benzyl chloride	100-44-7	119 lbs	0 lbs	119 lbs
54	Diphenylamine	122-39-4	105 lbs	0 lbs	105 lbs
55	Chlorobenzene	108-90-7	100 lbs	0 lbs	100 lbs
56	Cobalt And Cobalt Compounds	N096	100 lbs	0 lbs	100 lbs
57	Allyl alcohol	107-18-6	96 lbs	0 lbs	96 lbs
58	Vanadium compounds	N770	67 lbs	0 lbs	67 lbs
59	1,2-Butylene oxide	106-88-7	52 lbs	0 lbs	52 lbs
60	Trade Secret	TRD SECRT	0 lbs	46 lbs	46 lbs
61	Hydrazine	302-01-2	39 lbs	0 lbs	39 lbs
62	N,N-Dimethylformamide	68-12-2	39 lbs	0 lbs	39 lbs
63	Propyleneimine	75-55-8	32 lbs	0 lbs	32 lbs
64	Acetonitrile	75-05-8	24 lbs	0 lbs	24 lbs
65	Phthalic anhydride	85-44-9	14 lbs	0 lbs	14 lbs
66	Manganese And Manganese Compounds	N450	3 lbs	0 lbs	3 lbs
67	4,4'-Isopropylidenediphenol	80-05-7	1 lbs	0 lbs	1 lbs